<!--

function getCookie(name) { 
	var dc = document.cookie; var prefix = name + "="; var begin = dc.indexOf("; " + prefix);
  if (begin == -1) { begin = dc.indexOf(prefix); if (begin != 0) return null; } 
  else begin += 2; var end = document.cookie.indexOf(";", begin);
  if (end == -1) end = dc.length; return unescape(dc.substring(begin + prefix.length, end));
}

function parseUser() {
	window.usal_user_document = null;
	window.usal_user_name = null;
	window.usal_user_email = null;
	var p1,p2,rest;
	var ck = getCookie("user");
	if (ck != null) {
		p1 = ck.indexOf(":");
		rest = ck.substring(p1+1,ck.length);
		p2 = p1 + rest.indexOf(":") + 1;
		window.usal_user_document = ck.substring(0,p1);
		window.usal_user_name = ck.substring(p1+1,p2);
		window.usal_user_email = ck.substring(p2+1,ck.length);
		window.usal_user_username = window.usal_user_email.substring(0,window.usal_user_email.indexOf('@'));
	}
}

function login() {	
	var user = document.form_login.user;
	var pass = document.form_login.pass;
	if (user.value=="") {
		alert("Por favor ingrese su nombre de usuario, email o nro. de documento.");
		user.focus();
		user.style.background="#FFCC99";
		return false;
	} else {
		if (pass.value=="")	{
			alert("Por favor ingrese su clave de acceso.");
			pass.focus();
			pass.style.background="#FFCC99";
			return false;
		} else {
			return true;
		}
	}
}

parseUser();

now = new Date();
var millis=now.getTime();
var mstr=""+millis;

if (window.usal_user_name) {
	window.status="Bienvenido "+window.usal_user_name;
	var div = '<span style="font-family: Arial; font-size: 8 pt; color: #FFFFFF; font-weight: bold">Bienvenido '+window.usal_user_name+'</span> &nbsp;'+
						'<a href=/exe/principal.pl?.rnd='+mstr+'><img src=/img/icons/home.color.gif border=0 alt=Menú&nbsp;principal width=15 height=15></img></a>'+
						'<a href=\'javascript:abrir("http://mail.salvador.edu.ar/cgi-bin/varios/usal.edu.ar/passwd.cgi?u='+window.usal_user_username+'","new","width=600,height=330");\'><img src=/img/icons/keys.gif border=0 alt=Cambio&nbsp;de&nbsp;clave width=15 height=15></img></a>'+
						'<a href="/exe/logout.pl?.rnd='+mstr+'"><img src=/img/icons/logout.gif border=0 alt=Salir width=15 height=15></img></a>';
	document.writeln(div);
} else {
	var empty = "";
	document.writeln('<table border="0" cellpadding="0" cellspacing="0" style="font-family: Arial; font-size: 8 pt; color: #FFFFFF;">');
	document.writeln('<form onsubmit="return login()" method="POST" action="/usalnet/login/index.cgi" name="form_login">');
	document.writeln('<input type="hidden" name="url" value="' + window.location.href + '">');
	document.writeln('<tr><td>&nbsp;usuario:</td>');
	document.writeln('<td><input name="user" onclick="this.value=empty" size="8" style="font-family: Arial; font-size: 8 pt; color: green; background-color: #FFFFFF; font-weight: bold; border: 1 solid green"></td>');
	document.writeln('<td>&nbsp;clave:</td>');
	document.writeln('<td><input type="password" onclick="this.value=empty" name="pass" size="8" style="font-family: Arial; font-size: 8 pt; color: green; background-color: #FFFFFF; font-weight: bold; border: 1 solid green"></td>');
	document.writeln('<td>&nbsp;<input type="image" border="0" src="/img/botones/ir2.gif"></td></tr>');
	document.writeln('</form></table>');
}

// -->