// JavaScript Document

function info(obj){
	
	}
	
function cambiaStyle(obj){
	document.getElementById(obj).className="CAMBIA";
	}
			
function regresaStyle(obj){
	document.getElementById(obj).className="RENGLON";
	}
						
function validar(){
	if(document.getElementById("usuario").value==""){
		alert("Intruduce el Usuario.");
		document.getElementById("usuario").focus();
		return false;
		}
	if(document.getElementById("pass").value==""){
		alert("Intruduce el Password.");
		document.getElementById("pass").focus();
		return false;
		}
	return true;
	}