function mOvr(src,clrOver) { // diplay do cursor
		  if (!src.contains(event.fromElement)) {
		  src.style.cursor = 'hand';
		  src.bgColor = clrOver;
		}
		}

	  function mOut(src,clrIn,clrOverIn) { // display apos o cursor
		if (!src.contains(event.toElement)) {
		  src.style.cursor = 'default';
		  src.bgColor = clrIn;
		  src.fgColor = clrOverIn;
		}
	  }

function wopen(page)
{
        window.open(page,"famosos","toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=no,copyhistory=no,width=600,height=400")
}



function login(user,pass)
{

if (user == "")
  {
    alert("Por favor digite o usuario");
    return (false);
  }

  if (pass == "")
  {
    alert("Por favor digite a senha");
    return (false);
  }
  return (true);
}








<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
function setVariables() {
if (navigator.appName == "Netscape") {
v=".top=";
dS="document.";
sD="";
y="window.pageYOffset";
}
else {
v=".pixelTop=";
dS="";
sD=".style";
y="document.body.scrollTop";
   }
}
function checkLocation() {
object="object1";
yy=eval(y);
eval(dS+object+sD+v+yy);
setTimeout("checkLocation()",10);
}
//  End -->