window.onload=function(){
    (document.getElementsByName("username"))[0].focus();
};
/* esta var es el xml para checar el password y username */
var x;
function login(){
    if((document.getElementsByName("username"))[0].value.length && (document.getElementsByName("password"))[0].value.length){
        x=returnXML();
        x.onreadystatechange=function(){
            if(x.readyState==4){
                document.body.removeChild(document.body.lastChild);
                if(x.status==200){
                    if(x.responseText=="1"){
                        window.location.replace("odtc/inicio.php");
                    }else{
                        alert("Nombre de usuario o contraseña incorrectos");
                    }
                }else{
                    alert("hubo un problema");
                }
            }
        };
        //x.open("GET","odtc/scripts/autenticar.php?username="+escape(hex_md5(document.getElementsByName("username")[0].value))+"&password="+escape(hex_md5((document.getElementsByName("password"))[0].value)),true);
        x.open("POST","odtc/scripts/autenticar.php",true);
        x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
        x.send("username="+escape(hex_md5(document.getElementsByName("username")[0].value))+"&password="+escape(hex_md5(document.getElementsByName("password")[0].value)));
        var p=document.createElement("p");
        p.innerHTML="cargando";
        document.body.appendChild(p);
    }else{
        alert("Introduzca sus datos");
    }
    /*
    alert(hex_md5((document.getElementsByName("password"))[0].value));
    */
    return false;
}