function popup(url,id,w,h){var l=eval(screen.width/2-w/2);var t=eval(screen.height/2-h/2);var data="fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=0,directories=no,location=no,width="+w+",height="+h+",left="+l+",top="+t;window.open(url,id,data);}