tengo un drop box que funciona sin problemas con dos list/menu pero quiero agregarle un tercero alquien que me ayude please
Código HTML:
<script language = "JavaScript">
var aa = new Array("Transfer");
var bb = new Array("Marketing");
Transfer = new Array ("Providers","Marketing");
Marketing = new Array ("Rayniel","Webmaster");
function changeval()
{
var val1 = document.sform.sel1.value;
var optionArray = eval(val1);
for(var df=0; df<optionArray.length; df++)
{
var ss = document.sform.sel2;
ss.options.length = 0;
for(var ff=0; ff<optionArray.length; ff++)
{
{
var ss = document.sform.sel3;
ss.options.length = 0;
for(var ff=0; ff<optionArray.length; ff++)
var val = optionArray[ff];
ss.options[ff] = new Option(val,val);
}
}
}
}
</script>
</head>
<body>
<form action="<?php echo $editFormAction; ?>" method="post" name="sform" id="sform">
Category:
<select name="sel1" onchange="changeval()">
<option>Select Category</option>
<script language="JavaScript" type="text/javascript">
for(var dd=0; dd<aa.length; dd++)
{
document.write("<option value=\""+aa[dd]+"\">"+aa[dd]+"</option>");
}
</script>
</select>
Subcategory:
<select name="sel2">
<option>Select Subcategory</option>
<script language="JavaScript" type="text/javascript">
for(var dd=0; dd<aa.length; dd++)
{
document.write("<option value=\""+aa[dd]+"\">"+aa[dd]+"</option>");
}
</script>
</select>
<!-- Aqui empieza mi prueba -->
<select name="sel3">
<option>Select Subcategory</option>
<script language="JavaScript" type="text/javascript">
for(var dd=0; dd<bb.length; dd++)
{
document.write("<option value=\""+bb[dd]+"\">"+bb[dd]+"</option>");
}
</script>
</select>
<!-- Aqui termina mi prueba -->
<input type="submit" name="Submit" value="Transfer" />
</form>