function CheckPass(){
	var textbox1, textbox2, pizarra, cadena;
	pizarra = document.getElementById('pizarra_reset');
	textbox1 = document.getElementById('login_user').value;	
	
	cadena = '4b7407faed0c25f60ccfb79afab5cbf4';
	
	ajax=nuevoAjax();
	ajax.open("GET", "reset.inc.php?o="+cadena+"&u="+textbox1,true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState!=4) {
			pizarra.innerHTML = "<div id='alert'><img src='img/loading.gif'/><br/>Cargando...</div>"
		}else{
			pizarra.innerHTML = ajax.responseText;
			//window.setTimeout('espera();',2000); 
	 	}
	}
	ajax.send(null)
	
}