var ajax = new sack();

function getUnivMunicipioList(sel)
{
	var EstadoID = sel.options[sel.selectedIndex].value;
	if (EstadoID.length == 0){
		document.getElementById('univmunicipioid').options.length = 0;	// Empty Modelo select box
		document.getElementById('univmunicipioid').disabled = true;
	}else{
		document.getElementById('univmunicipioid').options.length = 0;	// Empty Modelo select box
		document.getElementById('univmunicipioid').disabled = false;
		if(EstadoID.length>0){			
			ajax.requestFile = '/systems/ajax_EstadoMunicipioColonia.asp?EstadoID='+EstadoID;	
			ajax.onCompletion = createUnivMunicipios;	// Specify function that will be executed after file has been found
			ajax.runAJAX();		// Execute AJAX function
		}
	}
}


function createUnivMunicipios()
{
	var obj = document.getElementById('univmunicipioid');			
	var results = unescape(ajax.response);
	results		= results.replace(/\+/gi," "); //quita signos +	
	eval(results);	// Executing the response from Ajax as Javascript code	
}