function delorean_chg(idt,id)
{
	$('#ambitosup').attr("disabled","disabled");
	$('#universidadsup').attr("disabled","disabled");
	$('#facultadsup').attr("disabled","disabled");
	$('#carrerasup').attr("disabled","disabled");
	$.get("/scripts/_ajax/delorean.php", { idt: idt, id: id },
			function(data){
				url_location(data);
			});
}
function delorean_nav(div,nom,id,i)
{
//	document.getElementById(div).innerHTML+="<option value='"+id+"'>"+nom+"</option>";
	aux=$('#'+div).html();
	$('#'+div).html(aux+"<option value='"+id+"'>"+nom+"</option>")
}
function delorean(idt,id)
{
	if(idt=='ida')
	{
		$("#universidadsup").html("<option value='0'>Selecciona...</option>");
		$('#universidadsup').attr("disabled","disabled");
		$("#facultadsup").html("<option value='0'>Selecciona...</option>");
		$('#facultadsup').attr("disabled","disabled");
		$("#carrerasup").html("<option value='0'>Selecciona...</option>");
		$('#carrerasup').attr("disabled","disabled");
	}
	else if(idt=='idu')
	{
		$('#facultadsup').html("<option value='0'>Selecciona...</option>");
		$('#facultadsup').attr("disabled","disabled");
		$("#carrerasup").html("<option value='0'>Selecciona...</option>");
		$('#carrerasup').attr("disabled","disabled");
	}
	(idt=='idf')
	{
		$("#carrerasup").html("<option value='0'>Selecciona...</option>");
		$('#carrerasup').attr("disabled","disabled");
	}

	if(id!=0)
	{
		$.get("/scripts/_ajax/delorean.php", { idt: idt, id: id },
			function(data){
				for(i=0; i<data.length; i++)
				{
					//alert(data[i].nom);
					if(idt=='ida') { delorean_nav('universidadsup', data[i].nom, data[i].id, i); }
					else if(idt=='idu') { delorean_nav('facultadsup', data[i].nom, data[i].id, i); }
					else if(idt=='idf') { delorean_nav('carrerasup', data[i].nom, data[i].id, i); }
				}
				if(idt=='ida') { $('#universidadsup').attr("disabled",""); }
				else if(idt=='idu') { $('#facultadsup').attr("disabled",""); }
				else if(idt=='idf') { $('#carrerasup').attr("disabled",""); }
				
			}, "json");
	}
}