function addbookmark()
{
bookmarkurl="http://www.singerdoors.co.uk/"
bookmarktitle="Singer Doors"
if (document.all)
window.external.AddFavorite(bookmarkurl,bookmarktitle)
}

<!--
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->

  <!--Break out of frames
    if (top.frames.length!=0)
    top.location=self.document.location;
  //-->
<!--
 function click() {
 if (event.button==2) {
 alert('Sorry! All content is the property of Singer Plywood Ltd')
 }
 }
 document.onmousedown=click
// -->