function popup(url,w,h) {
   window.open(url, 'aru', 'location=0,resizable=1,status=0,titlebar=0,directories=0,toolbar=1,menubar=1,scrollbars=1,width='+w+',height='+h);
   return false;
}

function popfeedback(url,w,h) {
   var popped = window.open(url,'feedback','location=0,resizable=1,status=0,titlebar=0,directories=0,toolbar=0,menubar=0,scrollbars=0,width='+w+',height='+h);
   return (popped)?false:true;
}