function combo1(){
   borrar();
   var indice=document.forms.form1.tipo_valvula_1.selectedIndex;
   if(indice==0) borrar();
   if(indice==1) clapeta();
   if(indice==2) doble();
   if(indice==3) disco();
   if(indice==4) piston();
   if(indice==5) bola();
 } 
 
function borrar_dn(){
while (document.forms.form1.dn.length) document.forms.form1.dn.remove(0);
}

function borrar_conexiones(){
while (document.forms.form1.conexiones.length) document.forms.form1.conexiones.remove(0);
}

function borrar_cuerpo(){
while (document.forms.form1.cuerpo.length) document.forms.form1.cuerpo.remove(0);
}

function borrar_internos(){
while (document.forms.form1.internos.length) document.forms.form1.internos.remove(0);
}

function borrar_material(){
while (document.forms.form1.material.length) document.forms.form1.material.remove(0);
}

function borrar_rating(){
while (document.forms.form1.rating.length) document.forms.form1.rating.remove(0);
}

function borrar(){
borrar_dn();
borrar_conexiones();
borrar_cuerpo();
borrar_internos();
borrar_material();
borrar_rating();
}

 function clapeta(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("10","10");
  sub2=new Option("15","15");
  sub3=new Option("20","20");
  sub4=new Option("25","25");
  sub5=new Option("32","32");
  sub6=new Option("40","40");
  sub7=new Option("50","50");
  sub8=new Option("65","65");
  sub9=new Option("80","80");
  sub10=new Option("100","100");
  sub11=new Option("125","125");
  sub12=new Option("150","150");
  sub13=new Option("200","200");
  sub14=new Option("250","250");
  sub15=new Option("300","300");
  sub16=new Option("350","350");
  sub17=new Option("400","400");
  sub18=new Option("450","450");
  sub19=new Option("500","500");
  sub20=new Option("600","600");
  sub21=new Option("700","700");
  sub22=new Option("800","800");
  sub23=new Option("900","900");
  sub24=new Option("1000","1000");
  sub25=new Option("-seleccione-","sub0","defauldSelected");
  sub26=new Option("Rosca Hembra BSPP","Rosca Hembra BSPP");
  sub27=new Option("Wafer PN6","Wafer PN6");
  sub28=new Option("Wafer PN10","Wafer PN10");
  sub29=new Option("Wafer PN16","Wafer PN16");
  sub30=new Option("Wafer PN25","Wafer PN25");
  sub31=new Option("Wafer ANSI125","Wafer ANSI125");
  sub32=new Option("Wafer ANSI150","Wafer ANSI150");
  sub33=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub34=new Option("Bridas ANSI150","Bridas ANSI150");
  sub35=new Option("-cuerpo-","sub0","defauldSelected");
  sub36=new Option("acero carbono","acero carbono");
  sub37=new Option("a. inox 304","a. inox 304");
  sub38=new Option("a. inox 316","a. inox 316");
  sub39=new Option("bronce Al.","bronce Al.");
  sub40=new Option("hierro fund.","hierro fund.");
  sub41=new Option("hierro fund. revest.","hierro fund. revest.");
  sub42=new Option("-clapeta-","sub0","defauldSelected");
  sub43=new Option("acero carbono","acero carbono");
  sub44=new Option("a. inox 304","a. inox 304");
  sub45=new Option("a. inox 316","a. inox 316");
  sub46=new Option("bronce Al.","bronce Al.");
  sub47=new Option("acero revest.","acero revest.");
  sub48=new Option("-cierre-","sub0","defauldSelected");
  sub49=new Option("EPDM","EPDM");
  sub50=new Option("NBR","NBR");
  sub51=new Option("VITON","VITON");
  sub52=new Option("PTFE","PTFE");
  sub53=new Option("METAL","METAL");
  sub54=new Option("-rating-","sub0","defauldSelected");
  sub55=new Option("PN16","PN16");
  sub56=new Option("PN25","PN25");
  sub57=new Option("PN40","PN40");
  sub58=new Option("ANSI150#","ANSI150#");
  sub59=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn.options[0]=sub0;
  document.forms.form1.dn.options[1]=sub1;
  document.forms.form1.dn.options[2]=sub2;
  document.forms.form1.dn.options[3]=sub3;
  document.forms.form1.dn.options[4]=sub4;
  document.forms.form1.dn.options[5]=sub5;
  document.forms.form1.dn.options[6]=sub6;
  document.forms.form1.dn.options[7]=sub7;
  document.forms.form1.dn.options[8]=sub8;
  document.forms.form1.dn.options[9]=sub9;
  document.forms.form1.dn.options[10]=sub10;
  document.forms.form1.dn.options[11]=sub11;
  document.forms.form1.dn.options[12]=sub12;
  document.forms.form1.dn.options[13]=sub13;
  document.forms.form1.dn.options[14]=sub14;
  document.forms.form1.dn.options[15]=sub15;
  document.forms.form1.dn.options[16]=sub16;
  document.forms.form1.dn.options[17]=sub17;
  document.forms.form1.dn.options[18]=sub18;
  document.forms.form1.dn.options[19]=sub19;
  document.forms.form1.dn.options[20]=sub20;
  document.forms.form1.dn.options[21]=sub21;
  document.forms.form1.dn.options[22]=sub22;
  document.forms.form1.dn.options[23]=sub23;
  document.forms.form1.dn.options[24]=sub24;
  document.forms.form1.conexiones.options[0]=sub25;
  document.forms.form1.conexiones.options[1]=sub26;
  document.forms.form1.conexiones.options[2]=sub27;
  document.forms.form1.conexiones.options[3]=sub28;
  document.forms.form1.conexiones.options[4]=sub29;
  document.forms.form1.conexiones.options[5]=sub30;
  document.forms.form1.conexiones.options[6]=sub31;
  document.forms.form1.conexiones.options[7]=sub32;
  document.forms.form1.conexiones.options[8]=sub33;
  document.forms.form1.conexiones.options[9]=sub34;
  document.forms.form1.cuerpo.options[0]=sub35;
  document.forms.form1.cuerpo.options[1]=sub36;
  document.forms.form1.cuerpo.options[2]=sub37;
  document.forms.form1.cuerpo.options[3]=sub38;
  document.forms.form1.cuerpo.options[4]=sub39;
  document.forms.form1.cuerpo.options[5]=sub40;
  document.forms.form1.cuerpo.options[6]=sub41;
  document.forms.form1.internos.options[0]=sub42;
  document.forms.form1.internos.options[1]=sub43;
  document.forms.form1.internos.options[2]=sub44;
  document.forms.form1.internos.options[3]=sub45;
  document.forms.form1.internos.options[4]=sub46;
  document.forms.form1.internos.options[5]=sub47;
  document.forms.form1.material.options[0]=sub48;
  document.forms.form1.material.options[1]=sub49;
  document.forms.form1.material.options[2]=sub50;
  document.forms.form1.material.options[3]=sub51;
  document.forms.form1.material.options[4]=sub52;
  document.forms.form1.material.options[5]=sub53
  document.forms.form1.rating.options[0]=sub54;
  document.forms.form1.rating.options[1]=sub55;
  document.forms.form1.rating.options[2]=sub56;
  document.forms.form1.rating.options[3]=sub57;
  document.forms.form1.rating.options[4]=sub58;
  document.forms.form1.rating.options[5]=sub59;
 }

 function doble(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("50","50");
  sub2=new Option("65","65");
  sub3=new Option("80","80");
  sub4=new Option("100","100");
  sub5=new Option("125","125");
  sub6=new Option("150","150");
  sub7=new Option("200","200");
  sub8=new Option("250","250");
  sub9=new Option("300","300");
  sub10=new Option("350","350");
  sub11=new Option("400","400");
  sub12=new Option("450","450");
  sub13=new Option("500","500");
  sub14=new Option("600","600");
  sub15=new Option("700","700");
  sub16=new Option("800","800");
  sub17=new Option("900","900");
  sub18=new Option("1000","1000");
  sub19=new Option("-seleccione-","sub0","defauldSelected");
  sub20=new Option("Wafer PN10","Wafer PN10");
  sub21=new Option("Wafer PN16","Wafer PN16");
  sub22=new Option("Wafer PN25","Wafer PN25");
  sub23=new Option("Wafer ANSI125","Wafer ANSI125");
  sub24=new Option("Wafer ANSI150","Wafer ANSI150");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce Al.","bronce Al.");
  sub30=new Option("hierro fund.","hierro fund.");
  sub31=new Option("fundicion ductil","fundicion ductil");
  sub32=new Option("otros","otros");
  sub33=new Option("-platos-","sub0","defauldSelected");
  sub34=new Option("fundicion ductil","fundicion ductil");
  sub35=new Option("acero carbono","acero carbono");
  sub36=new Option("a. inox 304","a. inox 304");
  sub37=new Option("a. inox 316","a. inox 316");
  sub38=new Option("-cierre-","sub0","defauldSelected");
  sub39=new Option("EPDM","EPDM");
  sub40=new Option("NBR","NBR");
  sub41=new Option("VITON","VITON");
  sub42=new Option("PTFE","PTFE");
  sub43=new Option("METAL","METAL");
  sub44=new Option("-rating-","sub0","defauldSelected");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("ANSI125#","ANSI125#");
  sub49=new Option("ANSI150#","ANSI150#");
  sub50=new Option("ANSI300#","ANSI300#");
  sub51=new Option("ANSI600#","ANSI600#");
  sub52=new Option("PN10","PN10");
  document.forms.form1.dn.options[0]=sub0;
  document.forms.form1.dn.options[1]=sub1;
  document.forms.form1.dn.options[2]=sub2;
  document.forms.form1.dn.options[3]=sub3;
  document.forms.form1.dn.options[4]=sub4;
  document.forms.form1.dn.options[5]=sub5;
  document.forms.form1.dn.options[6]=sub6;
  document.forms.form1.dn.options[7]=sub7;
  document.forms.form1.dn.options[8]=sub8;
  document.forms.form1.dn.options[9]=sub9;
  document.forms.form1.dn.options[10]=sub10;
  document.forms.form1.dn.options[11]=sub11;
  document.forms.form1.dn.options[12]=sub12;
  document.forms.form1.dn.options[13]=sub13;
  document.forms.form1.dn.options[14]=sub14;
  document.forms.form1.dn.options[15]=sub15;
  document.forms.form1.dn.options[16]=sub16;
  document.forms.form1.dn.options[17]=sub17;
  document.forms.form1.dn.options[18]=sub18;
  document.forms.form1.conexiones.options[0]=sub19;
  document.forms.form1.conexiones.options[1]=sub20;
  document.forms.form1.conexiones.options[2]=sub21;
  document.forms.form1.conexiones.options[3]=sub22;
  document.forms.form1.conexiones.options[4]=sub23;
  document.forms.form1.conexiones.options[5]=sub24;
  document.forms.form1.cuerpo.options[0]=sub25;
  document.forms.form1.cuerpo.options[1]=sub26;
  document.forms.form1.cuerpo.options[2]=sub27;
  document.forms.form1.cuerpo.options[3]=sub28;
  document.forms.form1.cuerpo.options[4]=sub29;
  document.forms.form1.cuerpo.options[5]=sub30;
  document.forms.form1.cuerpo.options[6]=sub31;
  document.forms.form1.cuerpo.options[7]=sub32;
  document.forms.form1.internos.options[0]=sub33;
  document.forms.form1.internos.options[1]=sub34;
  document.forms.form1.internos.options[2]=sub35;
  document.forms.form1.internos.options[3]=sub36;
  document.forms.form1.internos.options[4]=sub37;
  document.forms.form1.material.options[0]=sub38;
  document.forms.form1.material.options[1]=sub39;
  document.forms.form1.material.options[2]=sub40;
  document.forms.form1.material.options[3]=sub41;
  document.forms.form1.material.options[4]=sub42;
  document.forms.form1.material.options[5]=sub43
  document.forms.form1.rating.options[0]=sub44;
  document.forms.form1.rating.options[1]=sub52;
  document.forms.form1.rating.options[2]=sub45;
  document.forms.form1.rating.options[3]=sub46;
  document.forms.form1.rating.options[4]=sub47;
  document.forms.form1.rating.options[5]=sub48;
  document.forms.form1.rating.options[6]=sub49;
  document.forms.form1.rating.options[7]=sub50;
  document.forms.form1.rating.options[8]=sub51;
 }

 function disco(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("-seleccione-","sub0","defauldSelected");
  sub17=new Option("Wafer PN6","Wafer PN6");
  sub18=new Option("Wafer PN10","Wafer PN10");
  sub19=new Option("Wafer PN16","Wafer PN16");
  sub20=new Option("Wafer PN25","Wafer PN25");
  sub21=new Option("Wafer PN40","Wafer PN40");
  sub22=new Option("Wafer PN64","Wafer PN64");
  sub23=new Option("Wafer ANSI150","Wafer ANSI150");
  sub24=new Option("Wafer ANSI300","Wafer ANSI300");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce","bronce");
  sub30=new Option("hastelloy b","hastelloy b");
  sub31=new Option("hastelloy c","hastelloy c");
  sub32=new Option("monel","monel");
  sub33=new Option("-disco-","sub0","defauldSelected");
  sub34=new Option("acero carbono","acero carbono");
  sub35=new Option("a. inox 304","a. inox 304");
  sub36=new Option("a. inox 316","a. inox 316");
  sub52=new Option("bronce","bronce");
  sub53=new Option("hastelloy b","hastelloy b");
  sub54=new Option("hastelloy c","hastelloy c");
  sub55=new Option("monel","monel");
  sub37=new Option("-cierre-","sub0","defauldSelected");
  sub38=new Option("EPDM","EPDM");
  sub39=new Option("NBR","NBR");
  sub40=new Option("VITON","VITON");
  sub41=new Option("PTFE","PTFE");
  sub42=new Option("METAL","METAL");
  sub43=new Option("-rating-","sub0","defauldSelected");
  sub44=new Option("PN10","PN10");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("PN64","PN64");
  sub49=new Option("ANSI125#","ANSI125#");
  sub50=new Option("ANSI150#","ANSI150#");
  sub51=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn.options[0]=sub0;
  document.forms.form1.dn.options[1]=sub1;
  document.forms.form1.dn.options[2]=sub2;
  document.forms.form1.dn.options[3]=sub3;
  document.forms.form1.dn.options[4]=sub4;
  document.forms.form1.dn.options[5]=sub5;
  document.forms.form1.dn.options[6]=sub6;
  document.forms.form1.dn.options[7]=sub7;
  document.forms.form1.dn.options[8]=sub8;
  document.forms.form1.dn.options[9]=sub9;
  document.forms.form1.dn.options[10]=sub10;
  document.forms.form1.dn.options[11]=sub11;
  document.forms.form1.dn.options[12]=sub12;
  document.forms.form1.dn.options[13]=sub13;
  document.forms.form1.dn.options[14]=sub14;
  document.forms.form1.dn.options[15]=sub15;
  document.forms.form1.conexiones.options[0]=sub16;
  document.forms.form1.conexiones.options[1]=sub17;
  document.forms.form1.conexiones.options[2]=sub18;
  document.forms.form1.conexiones.options[3]=sub19;
  document.forms.form1.conexiones.options[4]=sub20;
  document.forms.form1.conexiones.options[5]=sub21;
  document.forms.form1.conexiones.options[6]=sub22;
  document.forms.form1.conexiones.options[7]=sub23;
  document.forms.form1.conexiones.options[8]=sub24;
  document.forms.form1.cuerpo.options[0]=sub25;
  document.forms.form1.cuerpo.options[1]=sub26;
  document.forms.form1.cuerpo.options[2]=sub27;
  document.forms.form1.cuerpo.options[3]=sub28;
  document.forms.form1.cuerpo.options[4]=sub29;
  document.forms.form1.cuerpo.options[5]=sub30;
  document.forms.form1.cuerpo.options[6]=sub31;
  document.forms.form1.cuerpo.options[7]=sub32;
  document.forms.form1.internos.options[0]=sub33;
  document.forms.form1.internos.options[1]=sub34;
  document.forms.form1.internos.options[2]=sub35;
  document.forms.form1.internos.options[3]=sub36;
  document.forms.form1.internos.options[4]=sub52;
  document.forms.form1.internos.options[5]=sub53;
  document.forms.form1.internos.options[6]=sub54;
  document.forms.form1.internos.options[7]=sub55;
  document.forms.form1.material.options[0]=sub37;
  document.forms.form1.material.options[1]=sub38;
  document.forms.form1.material.options[2]=sub39;
  document.forms.form1.material.options[3]=sub40;
  document.forms.form1.material.options[4]=sub41;
  document.forms.form1.material.options[5]=sub42
  document.forms.form1.rating.options[0]=sub43;
  document.forms.form1.rating.options[1]=sub44;
  document.forms.form1.rating.options[2]=sub45;
  document.forms.form1.rating.options[3]=sub46;
  document.forms.form1.rating.options[4]=sub47;
  document.forms.form1.rating.options[5]=sub48;
  document.forms.form1.rating.options[6]=sub49;
  document.forms.form1.rating.options[7]=sub50;
  document.forms.form1.rating.options[8]=sub51;
 }

 function piston(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub19=new Option("Bridas DIN PN25","Bridas DIN PN25");
  sub20=new Option("Bridas DIN PN40","Bridas DIN PN40");
  sub21=new Option("Bridas ANSI150","Bridas ANSI150");
  sub22=new Option("Bridas ANSI300","Bridas ANSI300");
  sub23=new Option("Soldar BW","Soldar BW");
  sub24=new Option("Soldar SW","Soldar SW");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("hierro fundido","hierro fundido");
  sub27=new Option("fundicion ductil","fundicion ductil");
  sub28=new Option("acero carbono","acero carbono");
  sub29=new Option("acero inox","acero inox");
  sub30=new Option("-internos-","sub0","defauldSelected");
  sub31=new Option("acero inox","acero inox");
  sub32=new Option("-rating-","sub0","defauldSelected");
  sub33=new Option("PN16","PN16");
  sub34=new Option("PN25","PN25");
  sub35=new Option("PN40","PN40");
  sub36=new Option("ANSI150#","ANSI150#");
  sub37=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn.options[0]=sub0;
  document.forms.form1.dn.options[1]=sub1;
  document.forms.form1.dn.options[2]=sub2;
  document.forms.form1.dn.options[3]=sub3;
  document.forms.form1.dn.options[4]=sub4;
  document.forms.form1.dn.options[5]=sub5;
  document.forms.form1.dn.options[6]=sub6;
  document.forms.form1.dn.options[7]=sub7;
  document.forms.form1.dn.options[8]=sub8;
  document.forms.form1.dn.options[9]=sub9;
  document.forms.form1.dn.options[10]=sub10;
  document.forms.form1.dn.options[11]=sub11;
  document.forms.form1.dn.options[12]=sub12;
  document.forms.form1.dn.options[13]=sub13;
  document.forms.form1.dn.options[14]=sub14;
  document.forms.form1.dn.options[15]=sub15;
  document.forms.form1.dn.options[16]=sub16;
  document.forms.form1.conexiones.options[0]=sub17;
  document.forms.form1.conexiones.options[1]=sub18;
  document.forms.form1.conexiones.options[2]=sub19;
  document.forms.form1.conexiones.options[3]=sub20;
  document.forms.form1.conexiones.options[4]=sub21;
  document.forms.form1.conexiones.options[5]=sub22;
  document.forms.form1.conexiones.options[6]=sub23;
  document.forms.form1.conexiones.options[7]=sub24;
  document.forms.form1.cuerpo.options[0]=sub25;
  document.forms.form1.cuerpo.options[1]=sub26;
  document.forms.form1.cuerpo.options[2]=sub27;
  document.forms.form1.cuerpo.options[3]=sub28;
  document.forms.form1.cuerpo.options[4]=sub29;
  document.forms.form1.internos.options[0]=sub30;
  document.forms.form1.internos.options[1]=sub31;
  document.forms.form1.rating.options[0]=sub32;
  document.forms.form1.rating.options[1]=sub33;
  document.forms.form1.rating.options[2]=sub34;
  document.forms.form1.rating.options[3]=sub35;
  document.forms.form1.rating.options[4]=sub36;
  document.forms.form1.rating.options[5]=sub37
 }

 function bola(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("rosca hembra BSPP","rosca hembra BSPP");
  sub19=new Option("bridas DIN PN10/16","bridas DIN PN10/16");
  sub20=new Option("-cuerpo-","sub0","defauldSelected");
  sub21=new Option("hierro fund./epoxi","hierro fund./epoxi");
  sub22=new Option("fund. ductil/epoxi","fund. ductil/epoxi");
  sub23=new Option("-bola-","sub0","defauldSelected");
  sub24=new Option("acero/NBR","acero/NBR");
  sub25=new Option("acero/EPDM","acero/EPDM");
  sub26=new Option("-rating-","sub0","defauldSelected");
  sub27=new Option("PN10","PN10");
  document.forms.form1.dn.options[0]=sub0;
  document.forms.form1.dn.options[1]=sub1;
  document.forms.form1.dn.options[2]=sub2;
  document.forms.form1.dn.options[3]=sub3;
  document.forms.form1.dn.options[4]=sub4;
  document.forms.form1.dn.options[5]=sub5;
  document.forms.form1.dn.options[6]=sub6;
  document.forms.form1.dn.options[7]=sub7;
  document.forms.form1.dn.options[8]=sub8;
  document.forms.form1.dn.options[9]=sub9;
  document.forms.form1.dn.options[10]=sub10;
  document.forms.form1.dn.options[11]=sub11;
  document.forms.form1.dn.options[12]=sub12;
  document.forms.form1.dn.options[13]=sub13;
  document.forms.form1.dn.options[14]=sub14;
  document.forms.form1.dn.options[15]=sub15;
  document.forms.form1.dn.options[16]=sub16;
  document.forms.form1.conexiones.options[0]=sub17;
  document.forms.form1.conexiones.options[1]=sub18;
  document.forms.form1.conexiones.options[2]=sub19;
  document.forms.form1.cuerpo.options[0]=sub20;
  document.forms.form1.cuerpo.options[1]=sub21;
  document.forms.form1.cuerpo.options[2]=sub22;
  document.forms.form1.internos.options[0]=sub23;
  document.forms.form1.internos.options[1]=sub24;
  document.forms.form1.internos.options[2]=sub25;
  document.forms.form1.rating.options[0]=sub26;
  document.forms.form1.rating.options[1]=sub27;
 }


function combo2(){
   borrar2();
   var indice=document.forms.form1.tipo_valvula_2.selectedIndex;
   if(indice==0) borrar2();
   if(indice==1) clapeta2();
   if(indice==2) doble2();
   if(indice==3) disco2();
   if(indice==4) piston2();
   if(indice==5) bola2();
 } 
 
function borrar_dn2(){
while (document.forms.form1.dn2.length) document.forms.form1.dn2.remove(0);
}

function borrar_conexiones2(){
while (document.forms.form1.conexiones2.length) document.forms.form1.conexiones2.remove(0);
}

function borrar_cuerpo2(){
while (document.forms.form1.cuerpo2.length) document.forms.form1.cuerpo2.remove(0);
}

function borrar_internos2(){
while (document.forms.form1.internos2.length) document.forms.form1.internos2.remove(0);
}

function borrar_material2(){
while (document.forms.form1.material2.length) document.forms.form1.material2.remove(0);
}

function borrar_rating2(){
while (document.forms.form1.rating2.length) document.forms.form1.rating2.remove(0);
}

function borrar2(){
borrar_dn2();
borrar_conexiones2();
borrar_cuerpo2();
borrar_internos2();
borrar_material2();
borrar_rating2();
}

 function clapeta2(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("10","10");
  sub2=new Option("15","15");
  sub3=new Option("20","20");
  sub4=new Option("25","25");
  sub5=new Option("32","32");
  sub6=new Option("40","40");
  sub7=new Option("50","50");
  sub8=new Option("65","65");
  sub9=new Option("80","80");
  sub10=new Option("100","100");
  sub11=new Option("125","125");
  sub12=new Option("150","150");
  sub13=new Option("200","200");
  sub14=new Option("250","250");
  sub15=new Option("300","300");
  sub16=new Option("350","350");
  sub17=new Option("400","400");
  sub18=new Option("450","450");
  sub19=new Option("500","500");
  sub20=new Option("600","600");
  sub21=new Option("700","700");
  sub22=new Option("800","800");
  sub23=new Option("900","900");
  sub24=new Option("1000","1000");
  sub25=new Option("-seleccione-","sub0","defauldSelected");
  sub26=new Option("Rosca Hembra BSPP","Rosca Hembra BSPP");
  sub27=new Option("Wafer PN6","Wafer PN6");
  sub28=new Option("Wafer PN10","Wafer PN10");
  sub29=new Option("Wafer PN16","Wafer PN16");
  sub30=new Option("Wafer PN25","Wafer PN25");
  sub31=new Option("Wafer ANSI125","Wafer ANSI125");
  sub32=new Option("Wafer ANSI150","Wafer ANSI150");
  sub33=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub34=new Option("Bridas ANSI150","Bridas ANSI150");
  sub35=new Option("-cuerpo-","sub0","defauldSelected");
  sub36=new Option("acero carbono","acero carbono");
  sub37=new Option("a. inox 304","a. inox 304");
  sub38=new Option("a. inox 316","a. inox 316");
  sub39=new Option("bronce Al.","bronce Al.");
  sub40=new Option("hierro fund.","hierro fund.");
  sub41=new Option("hierro fund. revest.","hierro fund. revest.");
  sub42=new Option("-clapeta-","sub0","defauldSelected");
  sub43=new Option("acero carbono","acero carbono");
  sub44=new Option("a. inox 304","a. inox 304");
  sub45=new Option("a. inox 316","a. inox 316");
  sub46=new Option("bronce Al.","bronce Al.");
  sub47=new Option("acero revest.","acero revest.");
  sub48=new Option("-cierre-","sub0","defauldSelected");
  sub49=new Option("EPDM","EPDM");
  sub50=new Option("NBR","NBR");
  sub51=new Option("VITON","VITON");
  sub52=new Option("PTFE","PTFE");
  sub53=new Option("METAL","METAL");
  sub54=new Option("-rating-","sub0","defauldSelected");
  sub55=new Option("PN16","PN16");
  sub56=new Option("PN25","PN25");
  sub57=new Option("PN40","PN40");
  sub58=new Option("ANSI150#","ANSI150#");
  sub59=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn2.options[0]=sub0;
  document.forms.form1.dn2.options[1]=sub1;
  document.forms.form1.dn2.options[2]=sub2;
  document.forms.form1.dn2.options[3]=sub3;
  document.forms.form1.dn2.options[4]=sub4;
  document.forms.form1.dn2.options[5]=sub5;
  document.forms.form1.dn2.options[6]=sub6;
  document.forms.form1.dn2.options[7]=sub7;
  document.forms.form1.dn2.options[8]=sub8;
  document.forms.form1.dn2.options[9]=sub9;
  document.forms.form1.dn2.options[10]=sub10;
  document.forms.form1.dn2.options[11]=sub11;
  document.forms.form1.dn2.options[12]=sub12;
  document.forms.form1.dn2.options[13]=sub13;
  document.forms.form1.dn2.options[14]=sub14;
  document.forms.form1.dn2.options[15]=sub15;
  document.forms.form1.dn2.options[16]=sub16;
  document.forms.form1.dn2.options[17]=sub17;
  document.forms.form1.dn2.options[18]=sub18;
  document.forms.form1.dn2.options[19]=sub19;
  document.forms.form1.dn2.options[20]=sub20;
  document.forms.form1.dn2.options[21]=sub21;
  document.forms.form1.dn2.options[22]=sub22;
  document.forms.form1.dn2.options[23]=sub23;
  document.forms.form1.dn2.options[24]=sub24;
  document.forms.form1.conexiones2.options[0]=sub25;
  document.forms.form1.conexiones2.options[1]=sub26;
  document.forms.form1.conexiones2.options[2]=sub27;
  document.forms.form1.conexiones2.options[3]=sub28;
  document.forms.form1.conexiones2.options[4]=sub29;
  document.forms.form1.conexiones2.options[5]=sub30;
  document.forms.form1.conexiones2.options[6]=sub31;
  document.forms.form1.conexiones2.options[7]=sub32;
  document.forms.form1.conexiones2.options[8]=sub33;
  document.forms.form1.conexiones2.options[9]=sub34;
  document.forms.form1.cuerpo2.options[0]=sub35;
  document.forms.form1.cuerpo2.options[1]=sub36;
  document.forms.form1.cuerpo2.options[2]=sub37;
  document.forms.form1.cuerpo2.options[3]=sub38;
  document.forms.form1.cuerpo2.options[4]=sub39;
  document.forms.form1.cuerpo2.options[5]=sub40;
  document.forms.form1.cuerpo2.options[6]=sub41;
  document.forms.form1.internos2.options[0]=sub42;
  document.forms.form1.internos2.options[1]=sub43;
  document.forms.form1.internos2.options[2]=sub44;
  document.forms.form1.internos2.options[3]=sub45;
  document.forms.form1.internos2.options[4]=sub46;
  document.forms.form1.internos2.options[5]=sub47;
  document.forms.form1.material2.options[0]=sub48;
  document.forms.form1.material2.options[1]=sub49;
  document.forms.form1.material2.options[2]=sub50;
  document.forms.form1.material2.options[3]=sub51;
  document.forms.form1.material2.options[4]=sub52;
  document.forms.form1.material2.options[5]=sub53
  document.forms.form1.rating2.options[0]=sub54;
  document.forms.form1.rating2.options[1]=sub55;
  document.forms.form1.rating2.options[2]=sub56;
  document.forms.form1.rating2.options[3]=sub57;
  document.forms.form1.rating2.options[4]=sub58;
  document.forms.form1.rating2.options[5]=sub59;
 }

 function doble2(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("50","50");
  sub2=new Option("65","65");
  sub3=new Option("80","80");
  sub4=new Option("100","100");
  sub5=new Option("125","125");
  sub6=new Option("150","150");
  sub7=new Option("200","200");
  sub8=new Option("250","250");
  sub9=new Option("300","300");
  sub10=new Option("350","350");
  sub11=new Option("400","400");
  sub12=new Option("450","450");
  sub13=new Option("500","500");
  sub14=new Option("600","600");
  sub15=new Option("700","700");
  sub16=new Option("800","800");
  sub17=new Option("900","900");
  sub18=new Option("1000","1000");
  sub19=new Option("-seleccione-","sub0","defauldSelected");
  sub20=new Option("Wafer PN10","Wafer PN10");
  sub21=new Option("Wafer PN16","Wafer PN16");
  sub22=new Option("Wafer PN25","Wafer PN25");
  sub23=new Option("Wafer ANSI125","Wafer ANSI125");
  sub24=new Option("Wafer ANSI150","Wafer ANSI150");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce Al.","bronce Al.");
  sub30=new Option("hierro fund.","hierro fund.");
  sub31=new Option("fundicion ductil","fundicion ductil");
  sub32=new Option("otros","otros");
  sub33=new Option("-platos-","sub0","defauldSelected");
  sub34=new Option("fundicion ductil","fundicion ductil");
  sub35=new Option("acero carbono","acero carbono");
  sub36=new Option("a. inox 304","a. inox 304");
  sub37=new Option("a. inox 316","a. inox 316");
  sub38=new Option("-cierre-","sub0","defauldSelected");
  sub39=new Option("EPDM","EPDM");
  sub40=new Option("NBR","NBR");
  sub41=new Option("VITON","VITON");
  sub42=new Option("PTFE","PTFE");
  sub43=new Option("METAL","METAL");
  sub44=new Option("-rating-","sub0","defauldSelected");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("ANSI125#","ANSI125#");
  sub49=new Option("ANSI150#","ANSI150#");
  sub50=new Option("ANSI300#","ANSI300#");
  sub51=new Option("ANSI600#","ANSI600#");
  sub52=new Option("PN10","PN10");
  document.forms.form1.dn2.options[0]=sub0;
  document.forms.form1.dn2.options[1]=sub1;
  document.forms.form1.dn2.options[2]=sub2;
  document.forms.form1.dn2.options[3]=sub3;
  document.forms.form1.dn2.options[4]=sub4;
  document.forms.form1.dn2.options[5]=sub5;
  document.forms.form1.dn2.options[6]=sub6;
  document.forms.form1.dn2.options[7]=sub7;
  document.forms.form1.dn2.options[8]=sub8;
  document.forms.form1.dn2.options[9]=sub9;
  document.forms.form1.dn2.options[10]=sub10;
  document.forms.form1.dn2.options[11]=sub11;
  document.forms.form1.dn2.options[12]=sub12;
  document.forms.form1.dn2.options[13]=sub13;
  document.forms.form1.dn2.options[14]=sub14;
  document.forms.form1.dn2.options[15]=sub15;
  document.forms.form1.dn2.options[16]=sub16;
  document.forms.form1.dn2.options[17]=sub17;
  document.forms.form1.dn2.options[18]=sub18;
  document.forms.form1.conexiones2.options[0]=sub19;
  document.forms.form1.conexiones2.options[1]=sub20;
  document.forms.form1.conexiones2.options[2]=sub21;
  document.forms.form1.conexiones2.options[3]=sub22;
  document.forms.form1.conexiones2.options[4]=sub23;
  document.forms.form1.conexiones2.options[5]=sub24;
  document.forms.form1.cuerpo2.options[0]=sub25;
  document.forms.form1.cuerpo2.options[1]=sub26;
  document.forms.form1.cuerpo2.options[2]=sub27;
  document.forms.form1.cuerpo2.options[3]=sub28;
  document.forms.form1.cuerpo2.options[4]=sub29;
  document.forms.form1.cuerpo2.options[5]=sub30;
  document.forms.form1.cuerpo2.options[6]=sub31;
  document.forms.form1.cuerpo2.options[7]=sub32;
  document.forms.form1.internos2.options[0]=sub33;
  document.forms.form1.internos2.options[1]=sub34;
  document.forms.form1.internos2.options[2]=sub35;
  document.forms.form1.internos2.options[3]=sub36;
  document.forms.form1.internos2.options[4]=sub37;
  document.forms.form1.material2.options[0]=sub38;
  document.forms.form1.material2.options[1]=sub39;
  document.forms.form1.material2.options[2]=sub40;
  document.forms.form1.material2.options[3]=sub41;
  document.forms.form1.material2.options[4]=sub42;
  document.forms.form1.material2.options[5]=sub43
  document.forms.form1.rating2.options[0]=sub44;
  document.forms.form1.rating2.options[1]=sub52;
  document.forms.form1.rating2.options[2]=sub45;
  document.forms.form1.rating2.options[3]=sub46;
  document.forms.form1.rating2.options[4]=sub47;
  document.forms.form1.rating2.options[5]=sub48;
  document.forms.form1.rating2.options[6]=sub49;
  document.forms.form1.rating2.options[7]=sub50;
  document.forms.form1.rating2.options[8]=sub51;
 }

 function disco2(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("-seleccione-","sub0","defauldSelected");
  sub17=new Option("Wafer PN6","Wafer PN6");
  sub18=new Option("Wafer PN10","Wafer PN10");
  sub19=new Option("Wafer PN16","Wafer PN16");
  sub20=new Option("Wafer PN25","Wafer PN25");
  sub21=new Option("Wafer PN40","Wafer PN40");
  sub22=new Option("Wafer PN64","Wafer PN64");
  sub23=new Option("Wafer ANSI150","Wafer ANSI150");
  sub24=new Option("Wafer ANSI300","Wafer ANSI300");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce","bronce");
  sub30=new Option("hastelloy b","hastelloy b");
  sub31=new Option("hastelloy c","hastelloy c");
  sub32=new Option("monel","monel");
  sub33=new Option("-disco-","sub0","defauldSelected");
  sub34=new Option("acero carbono","acero carbono");
  sub35=new Option("a. inox 304","a. inox 304");
  sub36=new Option("a. inox 316","a. inox 316");
  sub52=new Option("bronce","bronce");
  sub53=new Option("hastelloy b","hastelloy b");
  sub54=new Option("hastelloy c","hastelloy c");
  sub55=new Option("monel","monel");
  sub37=new Option("-cierre-","sub0","defauldSelected");
  sub38=new Option("EPDM","EPDM");
  sub39=new Option("NBR","NBR");
  sub40=new Option("VITON","VITON");
  sub41=new Option("PTFE","PTFE");
  sub42=new Option("METAL","METAL");
  sub43=new Option("-rating-","sub0","defauldSelected");
  sub44=new Option("PN10","PN10");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("PN64","PN64");
  sub49=new Option("ANSI125#","ANSI125#");
  sub50=new Option("ANSI150#","ANSI150#");
  sub51=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn2.options[0]=sub0;
  document.forms.form1.dn2.options[1]=sub1;
  document.forms.form1.dn2.options[2]=sub2;
  document.forms.form1.dn2.options[3]=sub3;
  document.forms.form1.dn2.options[4]=sub4;
  document.forms.form1.dn2.options[5]=sub5;
  document.forms.form1.dn2.options[6]=sub6;
  document.forms.form1.dn2.options[7]=sub7;
  document.forms.form1.dn2.options[8]=sub8;
  document.forms.form1.dn2.options[9]=sub9;
  document.forms.form1.dn2.options[10]=sub10;
  document.forms.form1.dn2.options[11]=sub11;
  document.forms.form1.dn2.options[12]=sub12;
  document.forms.form1.dn2.options[13]=sub13;
  document.forms.form1.dn2.options[14]=sub14;
  document.forms.form1.dn2.options[15]=sub15;
  document.forms.form1.conexiones2.options[0]=sub16;
  document.forms.form1.conexiones2.options[1]=sub17;
  document.forms.form1.conexiones2.options[2]=sub18;
  document.forms.form1.conexiones2.options[3]=sub19;
  document.forms.form1.conexiones2.options[4]=sub20;
  document.forms.form1.conexiones2.options[5]=sub21;
  document.forms.form1.conexiones2.options[6]=sub22;
  document.forms.form1.conexiones2.options[7]=sub23;
  document.forms.form1.conexiones2.options[8]=sub24;
  document.forms.form1.cuerpo2.options[0]=sub25;
  document.forms.form1.cuerpo2.options[1]=sub26;
  document.forms.form1.cuerpo2.options[2]=sub27;
  document.forms.form1.cuerpo2.options[3]=sub28;
  document.forms.form1.cuerpo2.options[4]=sub29;
  document.forms.form1.cuerpo2.options[5]=sub30;
  document.forms.form1.cuerpo2.options[6]=sub31;
  document.forms.form1.cuerpo2.options[7]=sub32;
  document.forms.form1.internos2.options[0]=sub33;
  document.forms.form1.internos2.options[1]=sub34;
  document.forms.form1.internos2.options[2]=sub35;
  document.forms.form1.internos2.options[3]=sub36;
  document.forms.form1.internos2.options[4]=sub52;
  document.forms.form1.internos2.options[5]=sub53;
  document.forms.form1.internos2.options[6]=sub54;
  document.forms.form1.internos2.options[7]=sub55;
  document.forms.form1.material2.options[0]=sub37;
  document.forms.form1.material2.options[1]=sub38;
  document.forms.form1.material2.options[2]=sub39;
  document.forms.form1.material2.options[3]=sub40;
  document.forms.form1.material2.options[4]=sub41;
  document.forms.form1.material2.options[5]=sub42
  document.forms.form1.rating2.options[0]=sub43;
  document.forms.form1.rating2.options[1]=sub44;
  document.forms.form1.rating2.options[2]=sub45;
  document.forms.form1.rating2.options[3]=sub46;
  document.forms.form1.rating2.options[4]=sub47;
  document.forms.form1.rating2.options[5]=sub48;
  document.forms.form1.rating2.options[6]=sub49;
  document.forms.form1.rating2.options[7]=sub50;
  document.forms.form1.rating2.options[8]=sub51;
 }

 function piston2(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub19=new Option("Bridas DIN PN25","Bridas DIN PN25");
  sub20=new Option("Bridas DIN PN40","Bridas DIN PN40");
  sub21=new Option("Bridas ANSI150","Bridas ANSI150");
  sub22=new Option("Bridas ANSI300","Bridas ANSI300");
  sub23=new Option("Soldar BW","Soldar BW");
  sub24=new Option("Soldar SW","Soldar SW");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("hierro fundido","hierro fundido");
  sub27=new Option("fundicion ductil","fundicion ductil");
  sub28=new Option("acero carbono","acero carbono");
  sub29=new Option("acero inox","acero inox");
  sub30=new Option("-internos-","sub0","defauldSelected");
  sub31=new Option("acero inox","acero inox");
  sub32=new Option("-rating-","sub0","defauldSelected");
  sub33=new Option("PN16","PN16");
  sub34=new Option("PN25","PN25");
  sub35=new Option("PN40","PN40");
  sub36=new Option("ANSI150#","ANSI150#");
  sub37=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn2.options[0]=sub0;
  document.forms.form1.dn2.options[1]=sub1;
  document.forms.form1.dn2.options[2]=sub2;
  document.forms.form1.dn2.options[3]=sub3;
  document.forms.form1.dn2.options[4]=sub4;
  document.forms.form1.dn2.options[5]=sub5;
  document.forms.form1.dn2.options[6]=sub6;
  document.forms.form1.dn2.options[7]=sub7;
  document.forms.form1.dn2.options[8]=sub8;
  document.forms.form1.dn2.options[9]=sub9;
  document.forms.form1.dn2.options[10]=sub10;
  document.forms.form1.dn2.options[11]=sub11;
  document.forms.form1.dn2.options[12]=sub12;
  document.forms.form1.dn2.options[13]=sub13;
  document.forms.form1.dn2.options[14]=sub14;
  document.forms.form1.dn2.options[15]=sub15;
  document.forms.form1.dn2.options[16]=sub16;
  document.forms.form1.conexiones2.options[0]=sub17;
  document.forms.form1.conexiones2.options[1]=sub18;
  document.forms.form1.conexiones2.options[2]=sub19;
  document.forms.form1.conexiones2.options[3]=sub20;
  document.forms.form1.conexiones2.options[4]=sub21;
  document.forms.form1.conexiones2.options[5]=sub22;
  document.forms.form1.conexiones2.options[6]=sub23;
  document.forms.form1.conexiones2.options[7]=sub24;
  document.forms.form1.cuerpo2.options[0]=sub25;
  document.forms.form1.cuerpo2.options[1]=sub26;
  document.forms.form1.cuerpo2.options[2]=sub27;
  document.forms.form1.cuerpo2.options[3]=sub28;
  document.forms.form1.cuerpo2.options[4]=sub29;
  document.forms.form1.internos2.options[0]=sub30;
  document.forms.form1.internos2.options[1]=sub31;
  document.forms.form1.rating2.options[0]=sub32;
  document.forms.form1.rating2.options[1]=sub33;
  document.forms.form1.rating2.options[2]=sub34;
  document.forms.form1.rating2.options[3]=sub35;
  document.forms.form1.rating2.options[4]=sub36;
  document.forms.form1.rating2.options[5]=sub37
 }

 function bola2(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("rosca hembra BSPP","rosca hembra BSPP");
  sub19=new Option("bridas DIN PN10/16","bridas DIN PN10/16");
  sub20=new Option("-cuerpo-","sub0","defauldSelected");
  sub21=new Option("hierro fund./epoxi","hierro fund./epoxi");
  sub22=new Option("fund. ductil/epoxi","fund. ductil/epoxi");
  sub23=new Option("-bola-","sub0","defauldSelected");
  sub24=new Option("acero/NBR","acero/NBR");
  sub25=new Option("acero/EPDM","acero/EPDM");
  sub26=new Option("-rating-","sub0","defauldSelected");
  sub27=new Option("PN10","PN10");
  document.forms.form1.dn2.options[0]=sub0;
  document.forms.form1.dn2.options[1]=sub1;
  document.forms.form1.dn2.options[2]=sub2;
  document.forms.form1.dn2.options[3]=sub3;
  document.forms.form1.dn2.options[4]=sub4;
  document.forms.form1.dn2.options[5]=sub5;
  document.forms.form1.dn2.options[6]=sub6;
  document.forms.form1.dn2.options[7]=sub7;
  document.forms.form1.dn2.options[8]=sub8;
  document.forms.form1.dn2.options[9]=sub9;
  document.forms.form1.dn2.options[10]=sub10;
  document.forms.form1.dn2.options[11]=sub11;
  document.forms.form1.dn2.options[12]=sub12;
  document.forms.form1.dn2.options[13]=sub13;
  document.forms.form1.dn2.options[14]=sub14;
  document.forms.form1.dn2.options[15]=sub15;
  document.forms.form1.dn2.options[16]=sub16;
  document.forms.form1.conexiones2.options[0]=sub17;
  document.forms.form1.conexiones2.options[1]=sub18;
  document.forms.form1.conexiones2.options[2]=sub19;
  document.forms.form1.cuerpo2.options[0]=sub20;
  document.forms.form1.cuerpo2.options[1]=sub21;
  document.forms.form1.cuerpo2.options[2]=sub22;
  document.forms.form1.internos2.options[0]=sub23;
  document.forms.form1.internos2.options[1]=sub24;
  document.forms.form1.internos2.options[2]=sub25;
  document.forms.form1.rating2.options[0]=sub26;
  document.forms.form1.rating2.options[1]=sub27;
 }

function combo3(){
   borrar3();
   var indice=document.forms.form1.tipo_valvula_3.selectedIndex;
   if(indice==0) borrar3();
   if(indice==1) clapeta3();
   if(indice==2) doble3();
   if(indice==3) disco3();
   if(indice==4) piston3();
   if(indice==5) bola3();
 } 
 
function borrar_dn3(){
while (document.forms.form1.dn3.length) document.forms.form1.dn3.remove(0);
}

function borrar_conexiones3(){
while (document.forms.form1.conexiones3.length) document.forms.form1.conexiones3.remove(0);
}

function borrar_cuerpo3(){
while (document.forms.form1.cuerpo3.length) document.forms.form1.cuerpo3.remove(0);
}

function borrar_internos3(){
while (document.forms.form1.internos3.length) document.forms.form1.internos3.remove(0);
}

function borrar_material3(){
while (document.forms.form1.material3.length) document.forms.form1.material3.remove(0);
}

function borrar_rating3(){
while (document.forms.form1.rating3.length) document.forms.form1.rating3.remove(0);
}

function borrar3(){
borrar_dn3();
borrar_conexiones3();
borrar_cuerpo3();
borrar_internos3();
borrar_material3();
borrar_rating3();
}

 function clapeta3(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("10","10");
  sub2=new Option("15","15");
  sub3=new Option("20","20");
  sub4=new Option("25","25");
  sub5=new Option("32","32");
  sub6=new Option("40","40");
  sub7=new Option("50","50");
  sub8=new Option("65","65");
  sub9=new Option("80","80");
  sub10=new Option("100","100");
  sub11=new Option("125","125");
  sub12=new Option("150","150");
  sub13=new Option("200","200");
  sub14=new Option("250","250");
  sub15=new Option("300","300");
  sub16=new Option("350","350");
  sub17=new Option("400","400");
  sub18=new Option("450","450");
  sub19=new Option("500","500");
  sub20=new Option("600","600");
  sub21=new Option("700","700");
  sub22=new Option("800","800");
  sub23=new Option("900","900");
  sub24=new Option("1000","1000");
  sub25=new Option("-seleccione-","sub0","defauldSelected");
  sub26=new Option("Rosca Hembra BSPP","Rosca Hembra BSPP");
  sub27=new Option("Wafer PN6","Wafer PN6");
  sub28=new Option("Wafer PN10","Wafer PN10");
  sub29=new Option("Wafer PN16","Wafer PN16");
  sub30=new Option("Wafer PN25","Wafer PN25");
  sub31=new Option("Wafer ANSI125","Wafer ANSI125");
  sub32=new Option("Wafer ANSI150","Wafer ANSI150");
  sub33=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub34=new Option("Bridas ANSI150","Bridas ANSI150");
  sub35=new Option("-cuerpo-","sub0","defauldSelected");
  sub36=new Option("acero carbono","acero carbono");
  sub37=new Option("a. inox 304","a. inox 304");
  sub38=new Option("a. inox 316","a. inox 316");
  sub39=new Option("bronce Al.","bronce Al.");
  sub40=new Option("hierro fund.","hierro fund.");
  sub41=new Option("hierro fund. revest.","hierro fund. revest.");
  sub42=new Option("-clapeta-","sub0","defauldSelected");
  sub43=new Option("acero carbono","acero carbono");
  sub44=new Option("a. inox 304","a. inox 304");
  sub45=new Option("a. inox 316","a. inox 316");
  sub46=new Option("bronce Al.","bronce Al.");
  sub47=new Option("acero revest.","acero revest.");
  sub48=new Option("-cierre-","sub0","defauldSelected");
  sub49=new Option("EPDM","EPDM");
  sub50=new Option("NBR","NBR");
  sub51=new Option("VITON","VITON");
  sub52=new Option("PTFE","PTFE");
  sub53=new Option("METAL","METAL");
  sub54=new Option("-rating-","sub0","defauldSelected");
  sub55=new Option("PN16","PN16");
  sub56=new Option("PN25","PN25");
  sub57=new Option("PN40","PN40");
  sub58=new Option("ANSI150#","ANSI150#");
  sub59=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn3.options[0]=sub0;
  document.forms.form1.dn3.options[1]=sub1;
  document.forms.form1.dn3.options[2]=sub2;
  document.forms.form1.dn3.options[3]=sub3;
  document.forms.form1.dn3.options[4]=sub4;
  document.forms.form1.dn3.options[5]=sub5;
  document.forms.form1.dn3.options[6]=sub6;
  document.forms.form1.dn3.options[7]=sub7;
  document.forms.form1.dn3.options[8]=sub8;
  document.forms.form1.dn3.options[9]=sub9;
  document.forms.form1.dn3.options[10]=sub10;
  document.forms.form1.dn3.options[11]=sub11;
  document.forms.form1.dn3.options[12]=sub12;
  document.forms.form1.dn3.options[13]=sub13;
  document.forms.form1.dn3.options[14]=sub14;
  document.forms.form1.dn3.options[15]=sub15;
  document.forms.form1.dn3.options[16]=sub16;
  document.forms.form1.dn3.options[17]=sub17;
  document.forms.form1.dn3.options[18]=sub18;
  document.forms.form1.dn3.options[19]=sub19;
  document.forms.form1.dn3.options[20]=sub20;
  document.forms.form1.dn3.options[21]=sub21;
  document.forms.form1.dn3.options[22]=sub22;
  document.forms.form1.dn3.options[23]=sub23;
  document.forms.form1.dn3.options[24]=sub24;
  document.forms.form1.conexiones3.options[0]=sub25;
  document.forms.form1.conexiones3.options[1]=sub26;
  document.forms.form1.conexiones3.options[2]=sub27;
  document.forms.form1.conexiones3.options[3]=sub28;
  document.forms.form1.conexiones3.options[4]=sub29;
  document.forms.form1.conexiones3.options[5]=sub30;
  document.forms.form1.conexiones3.options[6]=sub31;
  document.forms.form1.conexiones3.options[7]=sub32;
  document.forms.form1.conexiones3.options[8]=sub33;
  document.forms.form1.conexiones3.options[9]=sub34;
  document.forms.form1.cuerpo3.options[0]=sub35;
  document.forms.form1.cuerpo3.options[1]=sub36;
  document.forms.form1.cuerpo3.options[2]=sub37;
  document.forms.form1.cuerpo3.options[3]=sub38;
  document.forms.form1.cuerpo3.options[4]=sub39;
  document.forms.form1.cuerpo3.options[5]=sub40;
  document.forms.form1.cuerpo3.options[6]=sub41;
  document.forms.form1.internos3.options[0]=sub42;
  document.forms.form1.internos3.options[1]=sub43;
  document.forms.form1.internos3.options[2]=sub44;
  document.forms.form1.internos3.options[3]=sub45;
  document.forms.form1.internos3.options[4]=sub46;
  document.forms.form1.internos3.options[5]=sub47;
  document.forms.form1.material3.options[0]=sub48;
  document.forms.form1.material3.options[1]=sub49;
  document.forms.form1.material3.options[2]=sub50;
  document.forms.form1.material3.options[3]=sub51;
  document.forms.form1.material3.options[4]=sub52;
  document.forms.form1.material3.options[5]=sub53
  document.forms.form1.rating3.options[0]=sub54;
  document.forms.form1.rating3.options[1]=sub55;
  document.forms.form1.rating3.options[2]=sub56;
  document.forms.form1.rating3.options[3]=sub57;
  document.forms.form1.rating3.options[4]=sub58;
  document.forms.form1.rating3.options[5]=sub59;
 }

 function doble3(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("50","50");
  sub2=new Option("65","65");
  sub3=new Option("80","80");
  sub4=new Option("100","100");
  sub5=new Option("125","125");
  sub6=new Option("150","150");
  sub7=new Option("200","200");
  sub8=new Option("250","250");
  sub9=new Option("300","300");
  sub10=new Option("350","350");
  sub11=new Option("400","400");
  sub12=new Option("450","450");
  sub13=new Option("500","500");
  sub14=new Option("600","600");
  sub15=new Option("700","700");
  sub16=new Option("800","800");
  sub17=new Option("900","900");
  sub18=new Option("1000","1000");
  sub19=new Option("-seleccione-","sub0","defauldSelected");
  sub20=new Option("Wafer PN10","Wafer PN10");
  sub21=new Option("Wafer PN16","Wafer PN16");
  sub22=new Option("Wafer PN25","Wafer PN25");
  sub23=new Option("Wafer ANSI125","Wafer ANSI125");
  sub24=new Option("Wafer ANSI150","Wafer ANSI150");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce Al.","bronce Al.");
  sub30=new Option("hierro fund.","hierro fund.");
  sub31=new Option("fundicion ductil","fundicion ductil");
  sub32=new Option("otros","otros");
  sub33=new Option("-platos-","sub0","defauldSelected");
  sub34=new Option("fundicion ductil","fundicion ductil");
  sub35=new Option("acero carbono","acero carbono");
  sub36=new Option("a. inox 304","a. inox 304");
  sub37=new Option("a. inox 316","a. inox 316");
  sub38=new Option("-cierre-","sub0","defauldSelected");
  sub39=new Option("EPDM","EPDM");
  sub40=new Option("NBR","NBR");
  sub41=new Option("VITON","VITON");
  sub42=new Option("PTFE","PTFE");
  sub43=new Option("METAL","METAL");
  sub44=new Option("-rating-","sub0","defauldSelected");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("ANSI125#","ANSI125#");
  sub49=new Option("ANSI150#","ANSI150#");
  sub50=new Option("ANSI300#","ANSI300#");
  sub51=new Option("ANSI600#","ANSI600#");
  sub52=new Option("PN10","PN10");
  document.forms.form1.dn3.options[0]=sub0;
  document.forms.form1.dn3.options[1]=sub1;
  document.forms.form1.dn3.options[2]=sub2;
  document.forms.form1.dn3.options[3]=sub3;
  document.forms.form1.dn3.options[4]=sub4;
  document.forms.form1.dn3.options[5]=sub5;
  document.forms.form1.dn3.options[6]=sub6;
  document.forms.form1.dn3.options[7]=sub7;
  document.forms.form1.dn3.options[8]=sub8;
  document.forms.form1.dn3.options[9]=sub9;
  document.forms.form1.dn3.options[10]=sub10;
  document.forms.form1.dn3.options[11]=sub11;
  document.forms.form1.dn3.options[12]=sub12;
  document.forms.form1.dn3.options[13]=sub13;
  document.forms.form1.dn3.options[14]=sub14;
  document.forms.form1.dn3.options[15]=sub15;
  document.forms.form1.dn3.options[16]=sub16;
  document.forms.form1.dn3.options[17]=sub17;
  document.forms.form1.dn3.options[18]=sub18;
  document.forms.form1.conexiones3.options[0]=sub19;
  document.forms.form1.conexiones3.options[1]=sub20;
  document.forms.form1.conexiones3.options[2]=sub21;
  document.forms.form1.conexiones3.options[3]=sub22;
  document.forms.form1.conexiones3.options[4]=sub23;
  document.forms.form1.conexiones3.options[5]=sub24;
  document.forms.form1.cuerpo3.options[0]=sub25;
  document.forms.form1.cuerpo3.options[1]=sub26;
  document.forms.form1.cuerpo3.options[2]=sub27;
  document.forms.form1.cuerpo3.options[3]=sub28;
  document.forms.form1.cuerpo3.options[4]=sub29;
  document.forms.form1.cuerpo3.options[5]=sub30;
  document.forms.form1.cuerpo3.options[6]=sub31;
  document.forms.form1.cuerpo3.options[7]=sub32;
  document.forms.form1.internos3.options[0]=sub33;
  document.forms.form1.internos3.options[1]=sub34;
  document.forms.form1.internos3.options[2]=sub35;
  document.forms.form1.internos3.options[3]=sub36;
  document.forms.form1.internos3.options[4]=sub37;
  document.forms.form1.material3.options[0]=sub38;
  document.forms.form1.material3.options[1]=sub39;
  document.forms.form1.material3.options[2]=sub40;
  document.forms.form1.material3.options[3]=sub41;
  document.forms.form1.material3.options[4]=sub42;
  document.forms.form1.material3.options[5]=sub43
  document.forms.form1.rating3.options[0]=sub44;
  document.forms.form1.rating3.options[1]=sub52;
  document.forms.form1.rating3.options[2]=sub45;
  document.forms.form1.rating3.options[3]=sub46;
  document.forms.form1.rating3.options[4]=sub47;
  document.forms.form1.rating3.options[5]=sub48;
  document.forms.form1.rating3.options[6]=sub49;
  document.forms.form1.rating3.options[7]=sub50;
  document.forms.form1.rating3.options[8]=sub51;
 }

 function disco3(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("-seleccione-","sub0","defauldSelected");
  sub17=new Option("Wafer PN6","Wafer PN6");
  sub18=new Option("Wafer PN10","Wafer PN10");
  sub19=new Option("Wafer PN16","Wafer PN16");
  sub20=new Option("Wafer PN25","Wafer PN25");
  sub21=new Option("Wafer PN40","Wafer PN40");
  sub22=new Option("Wafer PN64","Wafer PN64");
  sub23=new Option("Wafer ANSI150","Wafer ANSI150");
  sub24=new Option("Wafer ANSI300","Wafer ANSI300");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce","bronce");
  sub30=new Option("hastelloy b","hastelloy b");
  sub31=new Option("hastelloy c","hastelloy c");
  sub32=new Option("monel","monel");
  sub33=new Option("-disco-","sub0","defauldSelected");
  sub34=new Option("acero carbono","acero carbono");
  sub35=new Option("a. inox 304","a. inox 304");
  sub36=new Option("a. inox 316","a. inox 316");
  sub52=new Option("bronce","bronce");
  sub53=new Option("hastelloy b","hastelloy b");
  sub54=new Option("hastelloy c","hastelloy c");
  sub55=new Option("monel","monel");
  sub37=new Option("-cierre-","sub0","defauldSelected");
  sub38=new Option("EPDM","EPDM");
  sub39=new Option("NBR","NBR");
  sub40=new Option("VITON","VITON");
  sub41=new Option("PTFE","PTFE");
  sub42=new Option("METAL","METAL");
  sub43=new Option("-rating-","sub0","defauldSelected");
  sub44=new Option("PN10","PN10");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("PN64","PN64");
  sub49=new Option("ANSI125#","ANSI125#");
  sub50=new Option("ANSI150#","ANSI150#");
  sub51=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn3.options[0]=sub0;
  document.forms.form1.dn3.options[1]=sub1;
  document.forms.form1.dn3.options[2]=sub2;
  document.forms.form1.dn3.options[3]=sub3;
  document.forms.form1.dn3.options[4]=sub4;
  document.forms.form1.dn3.options[5]=sub5;
  document.forms.form1.dn3.options[6]=sub6;
  document.forms.form1.dn3.options[7]=sub7;
  document.forms.form1.dn3.options[8]=sub8;
  document.forms.form1.dn3.options[9]=sub9;
  document.forms.form1.dn3.options[10]=sub10;
  document.forms.form1.dn3.options[11]=sub11;
  document.forms.form1.dn3.options[12]=sub12;
  document.forms.form1.dn3.options[13]=sub13;
  document.forms.form1.dn3.options[14]=sub14;
  document.forms.form1.dn3.options[15]=sub15;
  document.forms.form1.conexiones3.options[0]=sub16;
  document.forms.form1.conexiones3.options[1]=sub17;
  document.forms.form1.conexiones3.options[2]=sub18;
  document.forms.form1.conexiones3.options[3]=sub19;
  document.forms.form1.conexiones3.options[4]=sub20;
  document.forms.form1.conexiones3.options[5]=sub21;
  document.forms.form1.conexiones3.options[6]=sub22;
  document.forms.form1.conexiones3.options[7]=sub23;
  document.forms.form1.conexiones3.options[8]=sub24;
  document.forms.form1.cuerpo3.options[0]=sub25;
  document.forms.form1.cuerpo3.options[1]=sub26;
  document.forms.form1.cuerpo3.options[2]=sub27;
  document.forms.form1.cuerpo3.options[3]=sub28;
  document.forms.form1.cuerpo3.options[4]=sub29;
  document.forms.form1.cuerpo3.options[5]=sub30;
  document.forms.form1.cuerpo3.options[6]=sub31;
  document.forms.form1.cuerpo3.options[7]=sub32;
  document.forms.form1.internos3.options[0]=sub33;
  document.forms.form1.internos3.options[1]=sub34;
  document.forms.form1.internos3.options[2]=sub35;
  document.forms.form1.internos3.options[3]=sub36;
  document.forms.form1.internos3.options[4]=sub52;
  document.forms.form1.internos3.options[5]=sub53;
  document.forms.form1.internos3.options[6]=sub54;
  document.forms.form1.internos3.options[7]=sub55;
  document.forms.form1.material3.options[0]=sub37;
  document.forms.form1.material3.options[1]=sub38;
  document.forms.form1.material3.options[2]=sub39;
  document.forms.form1.material3.options[3]=sub40;
  document.forms.form1.material3.options[4]=sub41;
  document.forms.form1.material3.options[5]=sub42
  document.forms.form1.rating3.options[0]=sub43;
  document.forms.form1.rating3.options[1]=sub44;
  document.forms.form1.rating3.options[2]=sub45;
  document.forms.form1.rating3.options[3]=sub46;
  document.forms.form1.rating3.options[4]=sub47;
  document.forms.form1.rating3.options[5]=sub48;
  document.forms.form1.rating3.options[6]=sub49;
  document.forms.form1.rating3.options[7]=sub50;
  document.forms.form1.rating3.options[8]=sub51;
 }

 function piston3(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub19=new Option("Bridas DIN PN25","Bridas DIN PN25");
  sub20=new Option("Bridas DIN PN40","Bridas DIN PN40");
  sub21=new Option("Bridas ANSI150","Bridas ANSI150");
  sub22=new Option("Bridas ANSI300","Bridas ANSI300");
  sub23=new Option("Soldar BW","Soldar BW");
  sub24=new Option("Soldar SW","Soldar SW");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("hierro fundido","hierro fundido");
  sub27=new Option("fundicion ductil","fundicion ductil");
  sub28=new Option("acero carbono","acero carbono");
  sub29=new Option("acero inox","acero inox");
  sub30=new Option("-internos-","sub0","defauldSelected");
  sub31=new Option("acero inox","acero inox");
  sub32=new Option("-rating-","sub0","defauldSelected");
  sub33=new Option("PN16","PN16");
  sub34=new Option("PN25","PN25");
  sub35=new Option("PN40","PN40");
  sub36=new Option("ANSI150#","ANSI150#");
  sub37=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn3.options[0]=sub0;
  document.forms.form1.dn3.options[1]=sub1;
  document.forms.form1.dn3.options[2]=sub2;
  document.forms.form1.dn3.options[3]=sub3;
  document.forms.form1.dn3.options[4]=sub4;
  document.forms.form1.dn3.options[5]=sub5;
  document.forms.form1.dn3.options[6]=sub6;
  document.forms.form1.dn3.options[7]=sub7;
  document.forms.form1.dn3.options[8]=sub8;
  document.forms.form1.dn3.options[9]=sub9;
  document.forms.form1.dn3.options[10]=sub10;
  document.forms.form1.dn3.options[11]=sub11;
  document.forms.form1.dn3.options[12]=sub12;
  document.forms.form1.dn3.options[13]=sub13;
  document.forms.form1.dn3.options[14]=sub14;
  document.forms.form1.dn3.options[15]=sub15;
  document.forms.form1.dn3.options[16]=sub16;
  document.forms.form1.conexiones3.options[0]=sub17;
  document.forms.form1.conexiones3.options[1]=sub18;
  document.forms.form1.conexiones3.options[2]=sub19;
  document.forms.form1.conexiones3.options[3]=sub20;
  document.forms.form1.conexiones3.options[4]=sub21;
  document.forms.form1.conexiones3.options[5]=sub22;
  document.forms.form1.conexiones3.options[6]=sub23;
  document.forms.form1.conexiones3.options[7]=sub24;
  document.forms.form1.cuerpo3.options[0]=sub25;
  document.forms.form1.cuerpo3.options[1]=sub26;
  document.forms.form1.cuerpo3.options[2]=sub27;
  document.forms.form1.cuerpo3.options[3]=sub28;
  document.forms.form1.cuerpo3.options[4]=sub29;
  document.forms.form1.internos3.options[0]=sub30;
  document.forms.form1.internos3.options[1]=sub31;
  document.forms.form1.rating3.options[0]=sub32;
  document.forms.form1.rating3.options[1]=sub33;
  document.forms.form1.rating3.options[2]=sub34;
  document.forms.form1.rating3.options[3]=sub35;
  document.forms.form1.rating3.options[4]=sub36;
  document.forms.form1.rating3.options[5]=sub37
 }

 function bola3(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("rosca hembra BSPP","rosca hembra BSPP");
  sub19=new Option("bridas DIN PN10/16","bridas DIN PN10/16");
  sub20=new Option("-cuerpo-","sub0","defauldSelected");
  sub21=new Option("hierro fund./epoxi","hierro fund./epoxi");
  sub22=new Option("fund. ductil/epoxi","fund. ductil/epoxi");
  sub23=new Option("-bola-","sub0","defauldSelected");
  sub24=new Option("acero/NBR","acero/NBR");
  sub25=new Option("acero/EPDM","acero/EPDM");
  sub26=new Option("-rating-","sub0","defauldSelected");
  sub27=new Option("PN10","PN10");
  document.forms.form1.dn3.options[0]=sub0;
  document.forms.form1.dn3.options[1]=sub1;
  document.forms.form1.dn3.options[2]=sub2;
  document.forms.form1.dn3.options[3]=sub3;
  document.forms.form1.dn3.options[4]=sub4;
  document.forms.form1.dn3.options[5]=sub5;
  document.forms.form1.dn3.options[6]=sub6;
  document.forms.form1.dn3.options[7]=sub7;
  document.forms.form1.dn3.options[8]=sub8;
  document.forms.form1.dn3.options[9]=sub9;
  document.forms.form1.dn3.options[10]=sub10;
  document.forms.form1.dn3.options[11]=sub11;
  document.forms.form1.dn3.options[12]=sub12;
  document.forms.form1.dn3.options[13]=sub13;
  document.forms.form1.dn3.options[14]=sub14;
  document.forms.form1.dn3.options[15]=sub15;
  document.forms.form1.dn3.options[16]=sub16;
  document.forms.form1.conexiones3.options[0]=sub17;
  document.forms.form1.conexiones3.options[1]=sub18;
  document.forms.form1.conexiones3.options[2]=sub19;
  document.forms.form1.cuerpo3.options[0]=sub20;
  document.forms.form1.cuerpo3.options[1]=sub21;
  document.forms.form1.cuerpo3.options[2]=sub22;
  document.forms.form1.internos3.options[0]=sub23;
  document.forms.form1.internos3.options[1]=sub24;
  document.forms.form1.internos3.options[2]=sub25;
  document.forms.form1.rating3.options[0]=sub26;
  document.forms.form1.rating3.options[1]=sub27;
 }

function combo4(){
   borrar4();
   var indice=document.forms.form1.tipo_valvula_4.selectedIndex;
   if(indice==0) borrar4();
   if(indice==1) clapeta4();
   if(indice==2) doble4();
   if(indice==3) disco4();
   if(indice==4) piston4();
   if(indice==5) bola4();
 } 
 
function borrar_dn4(){
while (document.forms.form1.dn4.length) document.forms.form1.dn4.remove(0);
}

function borrar_conexiones4(){
while (document.forms.form1.conexiones4.length) document.forms.form1.conexiones4.remove(0);
}

function borrar_cuerpo4(){
while (document.forms.form1.cuerpo4.length) document.forms.form1.cuerpo4.remove(0);
}

function borrar_internos4(){
while (document.forms.form1.internos4.length) document.forms.form1.internos4.remove(0);
}

function borrar_material4(){
while (document.forms.form1.material4.length) document.forms.form1.material4.remove(0);
}

function borrar_rating4(){
while (document.forms.form1.rating4.length) document.forms.form1.rating4.remove(0);
}

function borrar4(){
borrar_dn4();
borrar_conexiones4();
borrar_cuerpo4();
borrar_internos4();
borrar_material4();
borrar_rating4();
}

 function clapeta4(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("10","10");
  sub2=new Option("15","15");
  sub3=new Option("20","20");
  sub4=new Option("25","25");
  sub5=new Option("32","32");
  sub6=new Option("40","40");
  sub7=new Option("50","50");
  sub8=new Option("65","65");
  sub9=new Option("80","80");
  sub10=new Option("100","100");
  sub11=new Option("125","125");
  sub12=new Option("150","150");
  sub13=new Option("200","200");
  sub14=new Option("250","250");
  sub15=new Option("300","300");
  sub16=new Option("350","350");
  sub17=new Option("400","400");
  sub18=new Option("450","450");
  sub19=new Option("500","500");
  sub20=new Option("600","600");
  sub21=new Option("700","700");
  sub22=new Option("800","800");
  sub23=new Option("900","900");
  sub24=new Option("1000","1000");
  sub25=new Option("-seleccione-","sub0","defauldSelected");
  sub26=new Option("Rosca Hembra BSPP","Rosca Hembra BSPP");
  sub27=new Option("Wafer PN6","Wafer PN6");
  sub28=new Option("Wafer PN10","Wafer PN10");
  sub29=new Option("Wafer PN16","Wafer PN16");
  sub30=new Option("Wafer PN25","Wafer PN25");
  sub31=new Option("Wafer ANSI125","Wafer ANSI125");
  sub32=new Option("Wafer ANSI150","Wafer ANSI150");
  sub33=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub34=new Option("Bridas ANSI150","Bridas ANSI150");
  sub35=new Option("-cuerpo-","sub0","defauldSelected");
  sub36=new Option("acero carbono","acero carbono");
  sub37=new Option("a. inox 304","a. inox 304");
  sub38=new Option("a. inox 316","a. inox 316");
  sub39=new Option("bronce Al.","bronce Al.");
  sub40=new Option("hierro fund.","hierro fund.");
  sub41=new Option("hierro fund. revest.","hierro fund. revest.");
  sub42=new Option("-clapeta-","sub0","defauldSelected");
  sub43=new Option("acero carbono","acero carbono");
  sub44=new Option("a. inox 304","a. inox 304");
  sub45=new Option("a. inox 316","a. inox 316");
  sub46=new Option("bronce Al.","bronce Al.");
  sub47=new Option("acero revest.","acero revest.");
  sub48=new Option("-cierre-","sub0","defauldSelected");
  sub49=new Option("EPDM","EPDM");
  sub50=new Option("NBR","NBR");
  sub51=new Option("VITON","VITON");
  sub52=new Option("PTFE","PTFE");
  sub53=new Option("METAL","METAL");
  sub54=new Option("-rating-","sub0","defauldSelected");
  sub55=new Option("PN16","PN16");
  sub56=new Option("PN25","PN25");
  sub57=new Option("PN40","PN40");
  sub58=new Option("ANSI150#","ANSI150#");
  sub59=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn4.options[0]=sub0;
  document.forms.form1.dn4.options[1]=sub1;
  document.forms.form1.dn4.options[2]=sub2;
  document.forms.form1.dn4.options[3]=sub3;
  document.forms.form1.dn4.options[4]=sub4;
  document.forms.form1.dn4.options[5]=sub5;
  document.forms.form1.dn4.options[6]=sub6;
  document.forms.form1.dn4.options[7]=sub7;
  document.forms.form1.dn4.options[8]=sub8;
  document.forms.form1.dn4.options[9]=sub9;
  document.forms.form1.dn4.options[10]=sub10;
  document.forms.form1.dn4.options[11]=sub11;
  document.forms.form1.dn4.options[12]=sub12;
  document.forms.form1.dn4.options[13]=sub13;
  document.forms.form1.dn4.options[14]=sub14;
  document.forms.form1.dn4.options[15]=sub15;
  document.forms.form1.dn4.options[16]=sub16;
  document.forms.form1.dn4.options[17]=sub17;
  document.forms.form1.dn4.options[18]=sub18;
  document.forms.form1.dn4.options[19]=sub19;
  document.forms.form1.dn4.options[20]=sub20;
  document.forms.form1.dn4.options[21]=sub21;
  document.forms.form1.dn4.options[22]=sub22;
  document.forms.form1.dn4.options[23]=sub23;
  document.forms.form1.dn4.options[24]=sub24;
  document.forms.form1.conexiones4.options[0]=sub25;
  document.forms.form1.conexiones4.options[1]=sub26;
  document.forms.form1.conexiones4.options[2]=sub27;
  document.forms.form1.conexiones4.options[3]=sub28;
  document.forms.form1.conexiones4.options[4]=sub29;
  document.forms.form1.conexiones4.options[5]=sub30;
  document.forms.form1.conexiones4.options[6]=sub31;
  document.forms.form1.conexiones4.options[7]=sub32;
  document.forms.form1.conexiones4.options[8]=sub33;
  document.forms.form1.conexiones4.options[9]=sub34;
  document.forms.form1.cuerpo4.options[0]=sub35;
  document.forms.form1.cuerpo4.options[1]=sub36;
  document.forms.form1.cuerpo4.options[2]=sub37;
  document.forms.form1.cuerpo4.options[3]=sub38;
  document.forms.form1.cuerpo4.options[4]=sub39;
  document.forms.form1.cuerpo4.options[5]=sub40;
  document.forms.form1.cuerpo4.options[6]=sub41;
  document.forms.form1.internos4.options[0]=sub42;
  document.forms.form1.internos4.options[1]=sub43;
  document.forms.form1.internos4.options[2]=sub44;
  document.forms.form1.internos4.options[3]=sub45;
  document.forms.form1.internos4.options[4]=sub46;
  document.forms.form1.internos4.options[5]=sub47;
  document.forms.form1.material4.options[0]=sub48;
  document.forms.form1.material4.options[1]=sub49;
  document.forms.form1.material4.options[2]=sub50;
  document.forms.form1.material4.options[3]=sub51;
  document.forms.form1.material4.options[4]=sub52;
  document.forms.form1.material4.options[5]=sub53
  document.forms.form1.rating4.options[0]=sub54;
  document.forms.form1.rating4.options[1]=sub55;
  document.forms.form1.rating4.options[2]=sub56;
  document.forms.form1.rating4.options[3]=sub57;
  document.forms.form1.rating4.options[4]=sub58;
  document.forms.form1.rating4.options[5]=sub59;
 }

 function doble4(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("50","50");
  sub2=new Option("65","65");
  sub3=new Option("80","80");
  sub4=new Option("100","100");
  sub5=new Option("125","125");
  sub6=new Option("150","150");
  sub7=new Option("200","200");
  sub8=new Option("250","250");
  sub9=new Option("300","300");
  sub10=new Option("350","350");
  sub11=new Option("400","400");
  sub12=new Option("450","450");
  sub13=new Option("500","500");
  sub14=new Option("600","600");
  sub15=new Option("700","700");
  sub16=new Option("800","800");
  sub17=new Option("900","900");
  sub18=new Option("1000","1000");
  sub19=new Option("-seleccione-","sub0","defauldSelected");
  sub20=new Option("Wafer PN10","Wafer PN10");
  sub21=new Option("Wafer PN16","Wafer PN16");
  sub22=new Option("Wafer PN25","Wafer PN25");
  sub23=new Option("Wafer ANSI125","Wafer ANSI125");
  sub24=new Option("Wafer ANSI150","Wafer ANSI150");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce Al.","bronce Al.");
  sub30=new Option("hierro fund.","hierro fund.");
  sub31=new Option("fundicion ductil","fundicion ductil");
  sub32=new Option("otros","otros");
  sub33=new Option("-platos-","sub0","defauldSelected");
  sub34=new Option("fundicion ductil","fundicion ductil");
  sub35=new Option("acero carbono","acero carbono");
  sub36=new Option("a. inox 304","a. inox 304");
  sub37=new Option("a. inox 316","a. inox 316");
  sub38=new Option("-cierre-","sub0","defauldSelected");
  sub39=new Option("EPDM","EPDM");
  sub40=new Option("NBR","NBR");
  sub41=new Option("VITON","VITON");
  sub42=new Option("PTFE","PTFE");
  sub43=new Option("METAL","METAL");
  sub44=new Option("-rating-","sub0","defauldSelected");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("ANSI125#","ANSI125#");
  sub49=new Option("ANSI150#","ANSI150#");
  sub50=new Option("ANSI300#","ANSI300#");
  sub51=new Option("ANSI600#","ANSI600#");
  sub52=new Option("PN10","PN10");
  document.forms.form1.dn4.options[0]=sub0;
  document.forms.form1.dn4.options[1]=sub1;
  document.forms.form1.dn4.options[2]=sub2;
  document.forms.form1.dn4.options[3]=sub3;
  document.forms.form1.dn4.options[4]=sub4;
  document.forms.form1.dn4.options[5]=sub5;
  document.forms.form1.dn4.options[6]=sub6;
  document.forms.form1.dn4.options[7]=sub7;
  document.forms.form1.dn4.options[8]=sub8;
  document.forms.form1.dn4.options[9]=sub9;
  document.forms.form1.dn4.options[10]=sub10;
  document.forms.form1.dn4.options[11]=sub11;
  document.forms.form1.dn4.options[12]=sub12;
  document.forms.form1.dn4.options[13]=sub13;
  document.forms.form1.dn4.options[14]=sub14;
  document.forms.form1.dn4.options[15]=sub15;
  document.forms.form1.dn4.options[16]=sub16;
  document.forms.form1.dn4.options[17]=sub17;
  document.forms.form1.dn4.options[18]=sub18;
  document.forms.form1.conexiones4.options[0]=sub19;
  document.forms.form1.conexiones4.options[1]=sub20;
  document.forms.form1.conexiones4.options[2]=sub21;
  document.forms.form1.conexiones4.options[3]=sub22;
  document.forms.form1.conexiones4.options[4]=sub23;
  document.forms.form1.conexiones4.options[5]=sub24;
  document.forms.form1.cuerpo4.options[0]=sub25;
  document.forms.form1.cuerpo4.options[1]=sub26;
  document.forms.form1.cuerpo4.options[2]=sub27;
  document.forms.form1.cuerpo4.options[3]=sub28;
  document.forms.form1.cuerpo4.options[4]=sub29;
  document.forms.form1.cuerpo4.options[5]=sub30;
  document.forms.form1.cuerpo4.options[6]=sub31;
  document.forms.form1.cuerpo4.options[7]=sub32;
  document.forms.form1.internos4.options[0]=sub33;
  document.forms.form1.internos4.options[1]=sub34;
  document.forms.form1.internos4.options[2]=sub35;
  document.forms.form1.internos4.options[3]=sub36;
  document.forms.form1.internos4.options[4]=sub37;
  document.forms.form1.material4.options[0]=sub38;
  document.forms.form1.material4.options[1]=sub39;
  document.forms.form1.material4.options[2]=sub40;
  document.forms.form1.material4.options[3]=sub41;
  document.forms.form1.material4.options[4]=sub42;
  document.forms.form1.material4.options[5]=sub43
  document.forms.form1.rating4.options[0]=sub44;
  document.forms.form1.rating4.options[1]=sub52;
  document.forms.form1.rating4.options[2]=sub45;
  document.forms.form1.rating4.options[3]=sub46;
  document.forms.form1.rating4.options[4]=sub47;
  document.forms.form1.rating4.options[5]=sub48;
  document.forms.form1.rating4.options[6]=sub49;
  document.forms.form1.rating4.options[7]=sub50;
  document.forms.form1.rating4.options[8]=sub51;
 }

 function disco4(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("-seleccione-","sub0","defauldSelected");
  sub17=new Option("Wafer PN6","Wafer PN6");
  sub18=new Option("Wafer PN10","Wafer PN10");
  sub19=new Option("Wafer PN16","Wafer PN16");
  sub20=new Option("Wafer PN25","Wafer PN25");
  sub21=new Option("Wafer PN40","Wafer PN40");
  sub22=new Option("Wafer PN64","Wafer PN64");
  sub23=new Option("Wafer ANSI150","Wafer ANSI150");
  sub24=new Option("Wafer ANSI300","Wafer ANSI300");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce","bronce");
  sub30=new Option("hastelloy b","hastelloy b");
  sub31=new Option("hastelloy c","hastelloy c");
  sub32=new Option("monel","monel");
  sub33=new Option("-disco-","sub0","defauldSelected");
  sub34=new Option("acero carbono","acero carbono");
  sub35=new Option("a. inox 304","a. inox 304");
  sub36=new Option("a. inox 316","a. inox 316");
  sub52=new Option("bronce","bronce");
  sub53=new Option("hastelloy b","hastelloy b");
  sub54=new Option("hastelloy c","hastelloy c");
  sub55=new Option("monel","monel");
  sub37=new Option("-cierre-","sub0","defauldSelected");
  sub38=new Option("EPDM","EPDM");
  sub39=new Option("NBR","NBR");
  sub40=new Option("VITON","VITON");
  sub41=new Option("PTFE","PTFE");
  sub42=new Option("METAL","METAL");
  sub43=new Option("-rating-","sub0","defauldSelected");
  sub44=new Option("PN10","PN10");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("PN64","PN64");
  sub49=new Option("ANSI125#","ANSI125#");
  sub50=new Option("ANSI150#","ANSI150#");
  sub51=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn4.options[0]=sub0;
  document.forms.form1.dn4.options[1]=sub1;
  document.forms.form1.dn4.options[2]=sub2;
  document.forms.form1.dn4.options[3]=sub3;
  document.forms.form1.dn4.options[4]=sub4;
  document.forms.form1.dn4.options[5]=sub5;
  document.forms.form1.dn4.options[6]=sub6;
  document.forms.form1.dn4.options[7]=sub7;
  document.forms.form1.dn4.options[8]=sub8;
  document.forms.form1.dn4.options[9]=sub9;
  document.forms.form1.dn4.options[10]=sub10;
  document.forms.form1.dn4.options[11]=sub11;
  document.forms.form1.dn4.options[12]=sub12;
  document.forms.form1.dn4.options[13]=sub13;
  document.forms.form1.dn4.options[14]=sub14;
  document.forms.form1.dn4.options[15]=sub15;
  document.forms.form1.conexiones4.options[0]=sub16;
  document.forms.form1.conexiones4.options[1]=sub17;
  document.forms.form1.conexiones4.options[2]=sub18;
  document.forms.form1.conexiones4.options[3]=sub19;
  document.forms.form1.conexiones4.options[4]=sub20;
  document.forms.form1.conexiones4.options[5]=sub21;
  document.forms.form1.conexiones4.options[6]=sub22;
  document.forms.form1.conexiones4.options[7]=sub23;
  document.forms.form1.conexiones4.options[8]=sub24;
  document.forms.form1.cuerpo4.options[0]=sub25;
  document.forms.form1.cuerpo4.options[1]=sub26;
  document.forms.form1.cuerpo4.options[2]=sub27;
  document.forms.form1.cuerpo4.options[3]=sub28;
  document.forms.form1.cuerpo4.options[4]=sub29;
  document.forms.form1.cuerpo4.options[5]=sub30;
  document.forms.form1.cuerpo4.options[6]=sub31;
  document.forms.form1.cuerpo4.options[7]=sub32;
  document.forms.form1.internos4.options[0]=sub33;
  document.forms.form1.internos4.options[1]=sub34;
  document.forms.form1.internos4.options[2]=sub35;
  document.forms.form1.internos4.options[3]=sub36;
  document.forms.form1.internos4.options[4]=sub52;
  document.forms.form1.internos4.options[5]=sub53;
  document.forms.form1.internos4.options[6]=sub54;
  document.forms.form1.internos4.options[7]=sub55;
  document.forms.form1.material4.options[0]=sub37;
  document.forms.form1.material4.options[1]=sub38;
  document.forms.form1.material4.options[2]=sub39;
  document.forms.form1.material4.options[3]=sub40;
  document.forms.form1.material4.options[4]=sub41;
  document.forms.form1.material4.options[5]=sub42
  document.forms.form1.rating4.options[0]=sub43;
  document.forms.form1.rating4.options[1]=sub44;
  document.forms.form1.rating4.options[2]=sub45;
  document.forms.form1.rating4.options[3]=sub46;
  document.forms.form1.rating4.options[4]=sub47;
  document.forms.form1.rating4.options[5]=sub48;
  document.forms.form1.rating4.options[6]=sub49;
  document.forms.form1.rating4.options[7]=sub50;
  document.forms.form1.rating4.options[8]=sub51;
 }

 function piston4(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub19=new Option("Bridas DIN PN25","Bridas DIN PN25");
  sub20=new Option("Bridas DIN PN40","Bridas DIN PN40");
  sub21=new Option("Bridas ANSI150","Bridas ANSI150");
  sub22=new Option("Bridas ANSI300","Bridas ANSI300");
  sub23=new Option("Soldar BW","Soldar BW");
  sub24=new Option("Soldar SW","Soldar SW");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("hierro fundido","hierro fundido");
  sub27=new Option("fundicion ductil","fundicion ductil");
  sub28=new Option("acero carbono","acero carbono");
  sub29=new Option("acero inox","acero inox");
  sub30=new Option("-internos-","sub0","defauldSelected");
  sub31=new Option("acero inox","acero inox");
  sub32=new Option("-rating-","sub0","defauldSelected");
  sub33=new Option("PN16","PN16");
  sub34=new Option("PN25","PN25");
  sub35=new Option("PN40","PN40");
  sub36=new Option("ANSI150#","ANSI150#");
  sub37=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn4.options[0]=sub0;
  document.forms.form1.dn4.options[1]=sub1;
  document.forms.form1.dn4.options[2]=sub2;
  document.forms.form1.dn4.options[3]=sub3;
  document.forms.form1.dn4.options[4]=sub4;
  document.forms.form1.dn4.options[5]=sub5;
  document.forms.form1.dn4.options[6]=sub6;
  document.forms.form1.dn4.options[7]=sub7;
  document.forms.form1.dn4.options[8]=sub8;
  document.forms.form1.dn4.options[9]=sub9;
  document.forms.form1.dn4.options[10]=sub10;
  document.forms.form1.dn4.options[11]=sub11;
  document.forms.form1.dn4.options[12]=sub12;
  document.forms.form1.dn4.options[13]=sub13;
  document.forms.form1.dn4.options[14]=sub14;
  document.forms.form1.dn4.options[15]=sub15;
  document.forms.form1.dn4.options[16]=sub16;
  document.forms.form1.conexiones4.options[0]=sub17;
  document.forms.form1.conexiones4.options[1]=sub18;
  document.forms.form1.conexiones4.options[2]=sub19;
  document.forms.form1.conexiones4.options[3]=sub20;
  document.forms.form1.conexiones4.options[4]=sub21;
  document.forms.form1.conexiones4.options[5]=sub22;
  document.forms.form1.conexiones4.options[6]=sub23;
  document.forms.form1.conexiones4.options[7]=sub24;
  document.forms.form1.cuerpo4.options[0]=sub25;
  document.forms.form1.cuerpo4.options[1]=sub26;
  document.forms.form1.cuerpo4.options[2]=sub27;
  document.forms.form1.cuerpo4.options[3]=sub28;
  document.forms.form1.cuerpo4.options[4]=sub29;
  document.forms.form1.internos4.options[0]=sub30;
  document.forms.form1.internos4.options[1]=sub31;
  document.forms.form1.rating4.options[0]=sub32;
  document.forms.form1.rating4.options[1]=sub33;
  document.forms.form1.rating4.options[2]=sub34;
  document.forms.form1.rating4.options[3]=sub35;
  document.forms.form1.rating4.options[4]=sub36;
  document.forms.form1.rating4.options[5]=sub37
 }

 function bola4(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("rosca hembra BSPP","rosca hembra BSPP");
  sub19=new Option("bridas DIN PN10/16","bridas DIN PN10/16");
  sub20=new Option("-cuerpo-","sub0","defauldSelected");
  sub21=new Option("hierro fund./epoxi","hierro fund./epoxi");
  sub22=new Option("fund. ductil/epoxi","fund. ductil/epoxi");
  sub23=new Option("-bola-","sub0","defauldSelected");
  sub24=new Option("acero/NBR","acero/NBR");
  sub25=new Option("acero/EPDM","acero/EPDM");
  sub26=new Option("-rating-","sub0","defauldSelected");
  sub27=new Option("PN10","PN10");
  document.forms.form1.dn4.options[0]=sub0;
  document.forms.form1.dn4.options[1]=sub1;
  document.forms.form1.dn4.options[2]=sub2;
  document.forms.form1.dn4.options[3]=sub3;
  document.forms.form1.dn4.options[4]=sub4;
  document.forms.form1.dn4.options[5]=sub5;
  document.forms.form1.dn4.options[6]=sub6;
  document.forms.form1.dn4.options[7]=sub7;
  document.forms.form1.dn4.options[8]=sub8;
  document.forms.form1.dn4.options[9]=sub9;
  document.forms.form1.dn4.options[10]=sub10;
  document.forms.form1.dn4.options[11]=sub11;
  document.forms.form1.dn4.options[12]=sub12;
  document.forms.form1.dn4.options[13]=sub13;
  document.forms.form1.dn4.options[14]=sub14;
  document.forms.form1.dn4.options[15]=sub15;
  document.forms.form1.dn4.options[16]=sub16;
  document.forms.form1.conexiones4.options[0]=sub17;
  document.forms.form1.conexiones4.options[1]=sub18;
  document.forms.form1.conexiones4.options[2]=sub19;
  document.forms.form1.cuerpo4.options[0]=sub20;
  document.forms.form1.cuerpo4.options[1]=sub21;
  document.forms.form1.cuerpo4.options[2]=sub22;
  document.forms.form1.internos4.options[0]=sub23;
  document.forms.form1.internos4.options[1]=sub24;
  document.forms.form1.internos4.options[2]=sub25;
  document.forms.form1.rating4.options[0]=sub26;
  document.forms.form1.rating4.options[1]=sub27;
 }
 
 
function combo5(){
   borrar5();
   var indice=document.forms.form1.tipo_valvula_5.selectedIndex;
   if(indice==0) borrar5();
   if(indice==1) clapeta5();
   if(indice==2) doble5();
   if(indice==3) disco5();
   if(indice==4) piston5();
   if(indice==5) bola5();
 } 
 
function borrar_dn5(){
while (document.forms.form1.dn5.length) document.forms.form1.dn5.remove(0);
}

function borrar_conexiones5(){
while (document.forms.form1.conexiones5.length) document.forms.form1.conexiones5.remove(0);
}

function borrar_cuerpo5(){
while (document.forms.form1.cuerpo5.length) document.forms.form1.cuerpo5.remove(0);
}

function borrar_internos5(){
while (document.forms.form1.internos5.length) document.forms.form1.internos5.remove(0);
}

function borrar_material5(){
while (document.forms.form1.material5.length) document.forms.form1.material5.remove(0);
}

function borrar_rating5(){
while (document.forms.form1.rating5.length) document.forms.form1.rating5.remove(0);
}

function borrar5(){
borrar_dn5();
borrar_conexiones5();
borrar_cuerpo5();
borrar_internos5();
borrar_material5();
borrar_rating5();
}

 function clapeta5(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("10","10");
  sub2=new Option("15","15");
  sub3=new Option("20","20");
  sub4=new Option("25","25");
  sub5=new Option("32","32");
  sub6=new Option("40","40");
  sub7=new Option("50","50");
  sub8=new Option("65","65");
  sub9=new Option("80","80");
  sub10=new Option("100","100");
  sub11=new Option("125","125");
  sub12=new Option("150","150");
  sub13=new Option("200","200");
  sub14=new Option("250","250");
  sub15=new Option("300","300");
  sub16=new Option("350","350");
  sub17=new Option("400","400");
  sub18=new Option("450","450");
  sub19=new Option("500","500");
  sub20=new Option("600","600");
  sub21=new Option("700","700");
  sub22=new Option("800","800");
  sub23=new Option("900","900");
  sub24=new Option("1000","1000");
  sub25=new Option("-seleccione-","sub0","defauldSelected");
  sub26=new Option("Rosca Hembra BSPP","Rosca Hembra BSPP");
  sub27=new Option("Wafer PN6","Wafer PN6");
  sub28=new Option("Wafer PN10","Wafer PN10");
  sub29=new Option("Wafer PN16","Wafer PN16");
  sub30=new Option("Wafer PN25","Wafer PN25");
  sub31=new Option("Wafer ANSI125","Wafer ANSI125");
  sub32=new Option("Wafer ANSI150","Wafer ANSI150");
  sub33=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub34=new Option("Bridas ANSI150","Bridas ANSI150");
  sub35=new Option("-cuerpo-","sub0","defauldSelected");
  sub36=new Option("acero carbono","acero carbono");
  sub37=new Option("a. inox 304","a. inox 304");
  sub38=new Option("a. inox 316","a. inox 316");
  sub39=new Option("bronce Al.","bronce Al.");
  sub40=new Option("hierro fund.","hierro fund.");
  sub41=new Option("hierro fund. revest.","hierro fund. revest.");
  sub42=new Option("-clapeta-","sub0","defauldSelected");
  sub43=new Option("acero carbono","acero carbono");
  sub44=new Option("a. inox 304","a. inox 304");
  sub45=new Option("a. inox 316","a. inox 316");
  sub46=new Option("bronce Al.","bronce Al.");
  sub47=new Option("acero revest.","acero revest.");
  sub48=new Option("-cierre-","sub0","defauldSelected");
  sub49=new Option("EPDM","EPDM");
  sub50=new Option("NBR","NBR");
  sub51=new Option("VITON","VITON");
  sub52=new Option("PTFE","PTFE");
  sub53=new Option("METAL","METAL");
  sub54=new Option("-rating-","sub0","defauldSelected");
  sub55=new Option("PN16","PN16");
  sub56=new Option("PN25","PN25");
  sub57=new Option("PN40","PN40");
  sub58=new Option("ANSI150#","ANSI150#");
  sub59=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn5.options[0]=sub0;
  document.forms.form1.dn5.options[1]=sub1;
  document.forms.form1.dn5.options[2]=sub2;
  document.forms.form1.dn5.options[3]=sub3;
  document.forms.form1.dn5.options[4]=sub4;
  document.forms.form1.dn5.options[5]=sub5;
  document.forms.form1.dn5.options[6]=sub6;
  document.forms.form1.dn5.options[7]=sub7;
  document.forms.form1.dn5.options[8]=sub8;
  document.forms.form1.dn5.options[9]=sub9;
  document.forms.form1.dn5.options[10]=sub10;
  document.forms.form1.dn5.options[11]=sub11;
  document.forms.form1.dn5.options[12]=sub12;
  document.forms.form1.dn5.options[13]=sub13;
  document.forms.form1.dn5.options[14]=sub14;
  document.forms.form1.dn5.options[15]=sub15;
  document.forms.form1.dn5.options[16]=sub16;
  document.forms.form1.dn5.options[17]=sub17;
  document.forms.form1.dn5.options[18]=sub18;
  document.forms.form1.dn5.options[19]=sub19;
  document.forms.form1.dn5.options[20]=sub20;
  document.forms.form1.dn5.options[21]=sub21;
  document.forms.form1.dn5.options[22]=sub22;
  document.forms.form1.dn5.options[23]=sub23;
  document.forms.form1.dn5.options[24]=sub24;
  document.forms.form1.conexiones5.options[0]=sub25;
  document.forms.form1.conexiones5.options[1]=sub26;
  document.forms.form1.conexiones5.options[2]=sub27;
  document.forms.form1.conexiones5.options[3]=sub28;
  document.forms.form1.conexiones5.options[4]=sub29;
  document.forms.form1.conexiones5.options[5]=sub30;
  document.forms.form1.conexiones5.options[6]=sub31;
  document.forms.form1.conexiones5.options[7]=sub32;
  document.forms.form1.conexiones5.options[8]=sub33;
  document.forms.form1.conexiones5.options[9]=sub34;
  document.forms.form1.cuerpo5.options[0]=sub35;
  document.forms.form1.cuerpo5.options[1]=sub36;
  document.forms.form1.cuerpo5.options[2]=sub37;
  document.forms.form1.cuerpo5.options[3]=sub38;
  document.forms.form1.cuerpo5.options[4]=sub39;
  document.forms.form1.cuerpo5.options[5]=sub40;
  document.forms.form1.cuerpo5.options[6]=sub41;
  document.forms.form1.internos5.options[0]=sub42;
  document.forms.form1.internos5.options[1]=sub43;
  document.forms.form1.internos5.options[2]=sub44;
  document.forms.form1.internos5.options[3]=sub45;
  document.forms.form1.internos5.options[4]=sub46;
  document.forms.form1.internos5.options[5]=sub47;
  document.forms.form1.material5.options[0]=sub48;
  document.forms.form1.material5.options[1]=sub49;
  document.forms.form1.material5.options[2]=sub50;
  document.forms.form1.material5.options[3]=sub51;
  document.forms.form1.material5.options[4]=sub52;
  document.forms.form1.material5.options[5]=sub53
  document.forms.form1.rating5.options[0]=sub54;
  document.forms.form1.rating5.options[1]=sub55;
  document.forms.form1.rating5.options[2]=sub56;
  document.forms.form1.rating5.options[3]=sub57;
  document.forms.form1.rating5.options[4]=sub58;
  document.forms.form1.rating5.options[5]=sub59;
 }

 function doble5(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("50","50");
  sub2=new Option("65","65");
  sub3=new Option("80","80");
  sub4=new Option("100","100");
  sub5=new Option("125","125");
  sub6=new Option("150","150");
  sub7=new Option("200","200");
  sub8=new Option("250","250");
  sub9=new Option("300","300");
  sub10=new Option("350","350");
  sub11=new Option("400","400");
  sub12=new Option("450","450");
  sub13=new Option("500","500");
  sub14=new Option("600","600");
  sub15=new Option("700","700");
  sub16=new Option("800","800");
  sub17=new Option("900","900");
  sub18=new Option("1000","1000");
  sub19=new Option("-seleccione-","sub0","defauldSelected");
  sub20=new Option("Wafer PN10","Wafer PN10");
  sub21=new Option("Wafer PN16","Wafer PN16");
  sub22=new Option("Wafer PN25","Wafer PN25");
  sub23=new Option("Wafer ANSI125","Wafer ANSI125");
  sub24=new Option("Wafer ANSI150","Wafer ANSI150");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce Al.","bronce Al.");
  sub30=new Option("hierro fund.","hierro fund.");
  sub31=new Option("fundicion ductil","fundicion ductil");
  sub32=new Option("otros","otros");
  sub33=new Option("-platos-","sub0","defauldSelected");
  sub34=new Option("fundicion ductil","fundicion ductil");
  sub35=new Option("acero carbono","acero carbono");
  sub36=new Option("a. inox 304","a. inox 304");
  sub37=new Option("a. inox 316","a. inox 316");
  sub38=new Option("-cierre-","sub0","defauldSelected");
  sub39=new Option("EPDM","EPDM");
  sub40=new Option("NBR","NBR");
  sub41=new Option("VITON","VITON");
  sub42=new Option("PTFE","PTFE");
  sub43=new Option("METAL","METAL");
  sub44=new Option("-rating-","sub0","defauldSelected");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("ANSI125#","ANSI125#");
  sub49=new Option("ANSI150#","ANSI150#");
  sub50=new Option("ANSI300#","ANSI300#");
  sub51=new Option("ANSI600#","ANSI600#");
  sub52=new Option("PN10","PN10");
  document.forms.form1.dn5.options[0]=sub0;
  document.forms.form1.dn5.options[1]=sub1;
  document.forms.form1.dn.options[2]=sub2;
  document.forms.form1.dn5.options[3]=sub3;
  document.forms.form1.dn5.options[4]=sub4;
  document.forms.form1.dn5.options[5]=sub5;
  document.forms.form1.dn5.options[6]=sub6;
  document.forms.form1.dn5.options[7]=sub7;
  document.forms.form1.dn5.options[8]=sub8;
  document.forms.form1.dn5.options[9]=sub9;
  document.forms.form1.dn5.options[10]=sub10;
  document.forms.form1.dn5.options[11]=sub11;
  document.forms.form1.dn5.options[12]=sub12;
  document.forms.form1.dn5.options[13]=sub13;
  document.forms.form1.dn5.options[14]=sub14;
  document.forms.form1.dn5.options[15]=sub15;
  document.forms.form1.dn5.options[16]=sub16;
  document.forms.form1.dn5.options[17]=sub17;
  document.forms.form1.dn5.options[18]=sub18;
  document.forms.form1.conexiones5.options[0]=sub19;
  document.forms.form1.conexiones5.options[1]=sub20;
  document.forms.form1.conexiones5.options[2]=sub21;
  document.forms.form1.conexiones5.options[3]=sub22;
  document.forms.form1.conexiones5.options[4]=sub23;
  document.forms.form1.conexiones5.options[5]=sub24;
  document.forms.form1.cuerpo5.options[0]=sub25;
  document.forms.form1.cuerpo5.options[1]=sub26;
  document.forms.form1.cuerpo5.options[2]=sub27;
  document.forms.form1.cuerpo5.options[3]=sub28;
  document.forms.form1.cuerpo5.options[4]=sub29;
  document.forms.form1.cuerpo5.options[5]=sub30;
  document.forms.form1.cuerpo5.options[6]=sub31;
  document.forms.form1.cuerpo5.options[7]=sub32;
  document.forms.form1.internos5.options[0]=sub33;
  document.forms.form1.internos5.options[1]=sub34;
  document.forms.form1.internos5.options[2]=sub35;
  document.forms.form1.internos5.options[3]=sub36;
  document.forms.form1.internos5.options[4]=sub37;
  document.forms.form1.material5.options[0]=sub38;
  document.forms.form1.material5.options[1]=sub39;
  document.forms.form1.material5.options[2]=sub40;
  document.forms.form1.material5.options[3]=sub41;
  document.forms.form1.material5.options[4]=sub42;
  document.forms.form1.material5.options[5]=sub43
  document.forms.form1.rating5.options[0]=sub44;
  document.forms.form1.rating5.options[1]=sub52;
  document.forms.form1.rating5.options[2]=sub45;
  document.forms.form1.rating5.options[3]=sub46;
  document.forms.form1.rating5.options[4]=sub47;
  document.forms.form1.rating5.options[5]=sub48;
  document.forms.form1.rating5.options[6]=sub49;
  document.forms.form1.rating5.options[7]=sub50;
  document.forms.form1.rating5.options[8]=sub51;
 }

 function disco5(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("-seleccione-","sub0","defauldSelected");
  sub17=new Option("Wafer PN6","Wafer PN6");
  sub18=new Option("Wafer PN10","Wafer PN10");
  sub19=new Option("Wafer PN16","Wafer PN16");
  sub20=new Option("Wafer PN25","Wafer PN25");
  sub21=new Option("Wafer PN40","Wafer PN40");
  sub22=new Option("Wafer PN64","Wafer PN64");
  sub23=new Option("Wafer ANSI150","Wafer ANSI150");
  sub24=new Option("Wafer ANSI300","Wafer ANSI300");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("acero carbono","acero carbono");
  sub27=new Option("a. inox 304","a. inox 304");
  sub28=new Option("a. inox 316","a. inox 316");
  sub29=new Option("bronce","bronce");
  sub30=new Option("hastelloy b","hastelloy b");
  sub31=new Option("hastelloy c","hastelloy c");
  sub32=new Option("monel","monel");
  sub33=new Option("-disco-","sub0","defauldSelected");
  sub34=new Option("acero carbono","acero carbono");
  sub35=new Option("a. inox 304","a. inox 304");
  sub36=new Option("a. inox 316","a. inox 316");
  sub52=new Option("bronce","bronce");
  sub53=new Option("hastelloy b","hastelloy b");
  sub54=new Option("hastelloy c","hastelloy c");
  sub55=new Option("monel","monel");
  sub37=new Option("-cierre-","sub0","defauldSelected");
  sub38=new Option("EPDM","EPDM");
  sub39=new Option("NBR","NBR");
  sub40=new Option("VITON","VITON");
  sub41=new Option("PTFE","PTFE");
  sub42=new Option("METAL","METAL");
  sub43=new Option("-rating-","sub0","defauldSelected");
  sub44=new Option("PN10","PN10");
  sub45=new Option("PN16","PN16");
  sub46=new Option("PN25","PN25");
  sub47=new Option("PN40","PN40");
  sub48=new Option("PN64","PN64");
  sub49=new Option("ANSI125#","ANSI125#");
  sub50=new Option("ANSI150#","ANSI150#");
  sub51=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn5.options[0]=sub0;
  document.forms.form1.dn5.options[1]=sub1;
  document.forms.form1.dn5.options[2]=sub2;
  document.forms.form1.dn5.options[3]=sub3;
  document.forms.form1.dn5.options[4]=sub4;
  document.forms.form1.dn5.options[5]=sub5;
  document.forms.form1.dn5.options[6]=sub6;
  document.forms.form1.dn5.options[7]=sub7;
  document.forms.form1.dn5.options[8]=sub8;
  document.forms.form1.dn5.options[9]=sub9;
  document.forms.form1.dn5.options[10]=sub10;
  document.forms.form1.dn5.options[11]=sub11;
  document.forms.form1.dn5.options[12]=sub12;
  document.forms.form1.dn5.options[13]=sub13;
  document.forms.form1.dn5.options[14]=sub14;
  document.forms.form1.dn5.options[15]=sub15;
  document.forms.form1.conexiones5.options[0]=sub16;
  document.forms.form1.conexiones5.options[1]=sub17;
  document.forms.form1.conexiones5.options[2]=sub18;
  document.forms.form1.conexiones5.options[3]=sub19;
  document.forms.form1.conexiones5.options[4]=sub20;
  document.forms.form1.conexiones5.options[5]=sub21;
  document.forms.form1.conexiones5.options[6]=sub22;
  document.forms.form1.conexiones5.options[7]=sub23;
  document.forms.form1.conexiones5.options[8]=sub24;
  document.forms.form1.cuerpo5.options[0]=sub25;
  document.forms.form1.cuerpo5.options[1]=sub26;
  document.forms.form1.cuerpo5.options[2]=sub27;
  document.forms.form1.cuerpo5.options[3]=sub28;
  document.forms.form1.cuerpo5.options[4]=sub29;
  document.forms.form1.cuerpo5.options[5]=sub30;
  document.forms.form1.cuerpo5.options[6]=sub31;
  document.forms.form1.cuerpo5.options[7]=sub32;
  document.forms.form1.internos5.options[0]=sub33;
  document.forms.form1.internos5.options[1]=sub34;
  document.forms.form1.internos5.options[2]=sub35;
  document.forms.form1.internos5.options[3]=sub36;
  document.forms.form1.internos5.options[4]=sub52;
  document.forms.form1.internos5.options[5]=sub53;
  document.forms.form1.internos5.options[6]=sub54;
  document.forms.form1.internos5.options[7]=sub55;
  document.forms.form1.material5.options[0]=sub37;
  document.forms.form1.material5.options[1]=sub38;
  document.forms.form1.material5.options[2]=sub39;
  document.forms.form1.material5.options[3]=sub40;
  document.forms.form1.material5.options[4]=sub41;
  document.forms.form1.material5.options[5]=sub42
  document.forms.form1.rating5.options[0]=sub43;
  document.forms.form1.rating5.options[1]=sub44;
  document.forms.form1.rating5.options[2]=sub45;
  document.forms.form1.rating5.options[3]=sub46;
  document.forms.form1.rating5.options[4]=sub47;
  document.forms.form1.rating5.options[5]=sub48;
  document.forms.form1.rating5.options[6]=sub49;
  document.forms.form1.rating5.options[7]=sub50;
  document.forms.form1.rating5.options[8]=sub51;
 }

 function piston5(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("Bridas DIN PN16","Bridas DIN PN16");
  sub19=new Option("Bridas DIN PN25","Bridas DIN PN25");
  sub20=new Option("Bridas DIN PN40","Bridas DIN PN40");
  sub21=new Option("Bridas ANSI150","Bridas ANSI150");
  sub22=new Option("Bridas ANSI300","Bridas ANSI300");
  sub23=new Option("Soldar BW","Soldar BW");
  sub24=new Option("Soldar SW","Soldar SW");
  sub25=new Option("-cuerpo-","sub0","defauldSelected");
  sub26=new Option("hierro fundido","hierro fundido");
  sub27=new Option("fundicion ductil","fundicion ductil");
  sub28=new Option("acero carbono","acero carbono");
  sub29=new Option("acero inox","acero inox");
  sub30=new Option("-internos-","sub0","defauldSelected");
  sub31=new Option("acero inox","acero inox");
  sub32=new Option("-rating-","sub0","defauldSelected");
  sub33=new Option("PN16","PN16");
  sub34=new Option("PN25","PN25");
  sub35=new Option("PN40","PN40");
  sub36=new Option("ANSI150#","ANSI150#");
  sub37=new Option("ANSI300#","ANSI300#");
  document.forms.form1.dn5.options[0]=sub0;
  document.forms.form1.dn5.options[1]=sub1;
  document.forms.form1.dn5.options[2]=sub2;
  document.forms.form1.dn5.options[3]=sub3;
  document.forms.form1.dn5.options[4]=sub4;
  document.forms.form1.dn5.options[5]=sub5;
  document.forms.form1.dn5.options[6]=sub6;
  document.forms.form1.dn5.options[7]=sub7;
  document.forms.form1.dn5.options[8]=sub8;
  document.forms.form1.dn5.options[9]=sub9;
  document.forms.form1.dn5.options[10]=sub10;
  document.forms.form1.dn5.options[11]=sub11;
  document.forms.form1.dn5.options[12]=sub12;
  document.forms.form1.dn5.options[13]=sub13;
  document.forms.form1.dn5.options[14]=sub14;
  document.forms.form1.dn5.options[15]=sub15;
  document.forms.form1.dn5.options[16]=sub16;
  document.forms.form1.conexiones5.options[0]=sub17;
  document.forms.form1.conexiones5.options[1]=sub18;
  document.forms.form1.conexiones5.options[2]=sub19;
  document.forms.form1.conexiones5.options[3]=sub20;
  document.forms.form1.conexiones5.options[4]=sub21;
  document.forms.form1.conexiones5.options[5]=sub22;
  document.forms.form1.conexiones5.options[6]=sub23;
  document.forms.form1.conexiones5.options[7]=sub24;
  document.forms.form1.cuerpo5.options[0]=sub25;
  document.forms.form1.cuerpo5.options[1]=sub26;
  document.forms.form1.cuerpo5.options[2]=sub27;
  document.forms.form1.cuerpo5.options[3]=sub28;
  document.forms.form1.cuerpo5.options[4]=sub29;
  document.forms.form1.internos5.options[0]=sub30;
  document.forms.form1.internos5.options[1]=sub31;
  document.forms.form1.rating5.options[0]=sub32;
  document.forms.form1.rating5.options[1]=sub33;
  document.forms.form1.rating5.options[2]=sub34;
  document.forms.form1.rating5.options[3]=sub35;
  document.forms.form1.rating5.options[4]=sub36;
  document.forms.form1.rating5.options[5]=sub37
 }

 function bola5(){
  sub0=new Option("-DN-","sub0","defauldSelected");
  sub1=new Option("15","15");
  sub2=new Option("20","20");
  sub3=new Option("25","25");
  sub4=new Option("32","32");
  sub5=new Option("40","40");
  sub6=new Option("50","50");
  sub7=new Option("65","65");
  sub8=new Option("80","80");
  sub9=new Option("100","100");
  sub10=new Option("125","125");
  sub11=new Option("150","150");
  sub12=new Option("200","200");
  sub13=new Option("250","250");
  sub14=new Option("300","300");
  sub15=new Option("350","350");
  sub16=new Option("400","400");
  sub17=new Option("-seleccione-","sub0","defauldSelected");
  sub18=new Option("rosca hembra BSPP","rosca hembra BSPP");
  sub19=new Option("bridas DIN PN10/16","bridas DIN PN10/16");
  sub20=new Option("-cuerpo-","sub0","defauldSelected");
  sub21=new Option("hierro fund./epoxi","hierro fund./epoxi");
  sub22=new Option("fund. ductil/epoxi","fund. ductil/epoxi");
  sub23=new Option("-bola-","sub0","defauldSelected");
  sub24=new Option("acero/NBR","acero/NBR");
  sub25=new Option("acero/EPDM","acero/EPDM");
  sub26=new Option("-rating-","sub0","defauldSelected");
  sub27=new Option("PN10","PN10");
  document.forms.form1.dn5.options[0]=sub0;
  document.forms.form1.dn5.options[1]=sub1;
  document.forms.form1.dn5.options[2]=sub2;
  document.forms.form1.dn5.options[3]=sub3;
  document.forms.form1.dn5.options[4]=sub4;
  document.forms.form1.dn5.options[5]=sub5;
  document.forms.form1.dn5.options[6]=sub6;
  document.forms.form1.dn5.options[7]=sub7;
  document.forms.form1.dn5.options[8]=sub8;
  document.forms.form1.dn5.options[9]=sub9;
  document.forms.form1.dn5.options[10]=sub10;
  document.forms.form1.dn5.options[11]=sub11;
  document.forms.form1.dn5.options[12]=sub12;
  document.forms.form1.dn5.options[13]=sub13;
  document.forms.form1.dn5.options[14]=sub14;
  document.forms.form1.dn5.options[15]=sub15;
  document.forms.form1.dn5.options[16]=sub16;
  document.forms.form1.conexiones5.options[0]=sub17;
  document.forms.form1.conexiones5.options[1]=sub18;
  document.forms.form1.conexiones5.options[2]=sub19;
  document.forms.form1.cuerpo5.options[0]=sub20;
  document.forms.form1.cuerpo5.options[1]=sub21;
  document.forms.form1.cuerpo5.options[2]=sub22;
  document.forms.form1.internos5.options[0]=sub23;
  document.forms.form1.internos5.options[1]=sub24;
  document.forms.form1.internos5.options[2]=sub25;
  document.forms.form1.rating5.options[0]=sub26;
  document.forms.form1.rating5.options[1]=sub27;
 }