function wys_getscrres(imgPath) {

  var screenwidth;
  var screenheight;
  var viewportwidth;
  var viewportheight;
  var scrres;
  screenwidth = screen.width;
  screenheight = screen.height;
   if (typeof window.innerWidth != 'undefined')
   {
        viewportwidth = window.innerWidth,
        viewportheight = window.innerHeight
   }
   else if (typeof document.documentElement != 'undefined'
       && typeof document.documentElement.clientWidth !=
       'undefined' && document.documentElement.clientWidth != 0)
   {
         viewportwidth = document.documentElement.clientWidth,
         viewportheight = document.documentElement.clientHeight
   }
   else
   {
         viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
         viewportheight = document.getElementsByTagName('body')[0].clientHeight
   }
   scrres = '<img src="';
   scrres = scrres + imgPath + "wys_scrres.gif?scwi=" + screenwidth + "&sche=" + screenheight + "&vwwi=" + viewportwidth + "&vwhe=" + viewportheight + '"';
   scrres = scrres + ' />';
   
   return scrres;
}