<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
</head>
<SCRIPT>
function Combos(x)
{
ItDepend1=document.getElementById('CombDependiente 1');
if(!ItDepend1){return;}
var mitems=new Array();
var mitems_ids=new Array();
mitems['Triar']=[' '];
mitems['Tardor']=['Dia 1 - 09:00','Dia 1 - 11:30','Dia 2 - 09:00','Dia 2 - 11:30'];
mitems['Primavera']=['Dia 3 - 09:00','Dia 3 - 11:30','Dia 4 - 09:00','Dia 4 - 11:30'];
mitems_ids['Tardor']=['dia1a','dia1b','dia2a','dia2b','4'];
mitems_ids['Primavera']=['dia3a','dia3b','dia4a','dia4b','8'];
ItDepend1.options.length=0;
ItActual=mitems[x.options[x.selectedIndex].value];
ItActual_ids=mitems_ids[x.options[x.selectedIndex].value];
if(!ItActual){return;}
ItDepend1.options.length=ItActual.length;
for(var i=0;i<ItActual.length;i++)
{
ItDepend1.options[i].text=ItActual[i];
ItDepend1.options[i].value=ItActual_ids[i];
}
ItDepend1.options.length=1;
if(x.value == "Tardor"){
ItDepend1.options[0].text='DIA 1 - 09:00';
}else if(x.value == "Primavera"){
ItDepend1.options[0].text='DIA 3 - 09:00';
}
}
</SCRIPT>
<form>
<table>
<h2>Datos</h2>
<tr>
<td><select name="or1" id="or1" onChange="Combos(this)">
<option value="Triar">Selecciona</option>
<option value=Tardor>Lunes</option><option value=Primavera>Viernes</option></select></td></tr><tr>
<td><label>Curso</label></td>
</tr>
<tr>
<td> <select name="CombDependiente1" id="CombDependiente1"></select></td>
<td><select name="dia11gr1" id="modalitat" tabindex="11">
<option value="pref1" >preferencia 1</option>
<option value="pref2" >preferencia 2</option>
<option value="pref3" >preferencia 3</option>
<option value="pref4" >preferencia 4</option>
<option value="nopref" >No puedo</option>
</select></td>
</tr>
</table>
</form>
</table>
</body>
</html>