var exit=true;



function ByeBye() {

   if (exit) 

   open("http://www.groovegen.com","ByeBye","toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,alwaysRaised=yes,marginwidth=0,marginheight=0");

}