function submitear(obj, a){ 
		var obj2 = document.getElementById("msgRecargar");
		if (obj2){obj2.style.display = "block";}
		if (!obj){
			obj = document.getElementById("frm");
		}
		if (a){
			obj.action = obj.action + "?mg="+a;
		}
		obj.submit(); 
	}