//previous page link
function message(txt){
  window.status=txt;
  setTimeout("remove_message()",2500);
}

//previous page link
function remove_message(){
  window.status="";
}

//open feedback popup
function open_feedback(URL) {
feedbackwindow = window.open(URL,"feedback","height=380,width=500,screenX=15,left=50,screenY=15,top=50,scrollbars=yes,menubar=no,resizable=no");
}