function popup(url,ancho,largo,barras){
	var r_ancho=screen.width;
	var r_largo=screen.height;
	var top=(r_largo/2)-(largo/2);
	var left=(r_ancho/2)-(ancho/2);
	var opciones="toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars="+barras+",resizable=no,width="+ancho+",height="+largo+",top="+top+"+,left="+left;
	window.open(url,"",opciones);
}

function eliminar(url, txt){
	if (confirm(txt)){
		location.href = url ;
	} else {
		return void(0);
	}
}

function pregunta(url,txt){
	eliminar(url,txt);
}

function putContent(div_id,url){
	new Ajax.Request(url, {
	  method: 'get',
	  onSuccess: function(transport) {
		   $(div_id).innerHTML = transport.responseText;
		},
		onLoading: function(transport) {
			$(div_id).innerHTML = "<p align=\"center\">Cargando...<img style=\"vertical-align:middle;\"src=\"../comunes/img/loading.gif\"/></p>";
		}
	});	
}