function Trim(s){
   // Remove leading spaces and carriage returns
   while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r')){
      s = s.substring(1,s.length);
   }

   // Remove trailing spaces and carriage returns

   while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r')){
      s = s.substring(0,s.length-1);
   }
   return s;
}


function popup(file){
  var l = Math.floor((screen.width-520)/2);
  var t = Math.floor((screen.height-520)/2);
  var prop = "top=0, left=0";
  window.open(file, null, 'width=520,height=520,top='+ t +', left='+ l);
}

function bookmarksite(title, url){
  if (document.all)
    window.external.AddFavorite(url, title);
  else if (window.sidebar)
    window.sidebar.addPanel(title, url, "")	
}