function chat()
{
window.open("superchat/index.asp","Chat","height=500,width=700,left="+((screen.width/2)-(700/2)) +",screenX="+((screen.width/2)-(700/2)) +",top="+((screen.height/2)-(500/2)) +",screenY="+((screen.height/2)-(500/2)) +",toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable =no");
}