var old_background=0;
var zoom_on = false;



function ClickZoom(e) {
    
    obj_name = "imagebg";
    window.document.body.style.cursor = "url(/produkte/zoomout.cur), pointer";   
    
    if (document.all) {
      picture = document.all[obj_name];
      if (old_background==0)
              old_background=picture.style.background;

      picture.style.background="transparent url(zoom.php?x="+event.clientX+"&y="+event.clientY+"&fname="+fname+")";


      zoom_on = !zoom_on;
   }
   else {
      picture = document.getElementById(obj_name);
      if (old_background==0)
              old_background=picture.style.background;
      picture.style.background="transparent url(/produkte/zoom.php?x="+ e.pageX+"&y="+e.pageY+"&fname="+fname+")";

      zoom_on = !zoom_on;
   }
    
   if(!zoom_on)
   {
      picture.style.background=old_background;
      window.document.body.style.cursor =  "url(/produkte/zoomin.cur), pointer";
   }


   return true;
}
document.onclick=ClickZoom;