function load_url(url, DIV1, mostrar) 
{
	if(mostrar  == null)
	mostrar = 1;
	var div = document.getElementById(DIV1);
	var handleSuccess = function(o){
	if(o.responseText !== undefined){
		var scs=o.responseText.extractScript();    //capturamos los scripts
        div.innerHTML=o.responseText
        scs.evalScript(); 
		}
	};

	var handleFailure = function(o){
		if(o.responseText !== undefined){
			div.innerHTML = "ERROR AL CARGAR DATOS";
		}
	};
	var callback =
	{
	  success:handleSuccess,
	  failure:handleFailure,
	  argument: { foo:"foo", bar:"bar" } 
	};
	//agregados para q el ie piense q es otra pagina
	var a = new Date();
	if(url.lastIndexOf('?') >= 0)
		url += '&tnt=' + a.getTime();
	else
		url += '?tnt=' + a.getTime();
		
	var request = YAHOO.util.Connect.asyncRequest('GET', url, callback);
	if(YAHOO.util.Connect.isCallInProgress(request) && mostrar == 1)
	{
		div.innerHTML = '<table width="100%" height="100"><tr valign="middle"><td align="center"><img src="../img/cargando.gif" align="middle" /><b> Cargando...</b></td></tr></table>';
	}
}