var previousImage="";
var previousFile="";
function highlight(imageName, imageFile, bTgl)
{
 if (previousImage != imageName)
 {
  if (bTgl)
  {
   document.images[imageName].src = eval("_" + imageFile + ".src");
  }
  else
  {
   document.images[imageName].src = eval(imageFile + ".src");
  }
 }
}
{
 top_menu1 = new Image();
 top_menu1.src = "images/top_menu1.gif";
 _top_menu1 = new Image();
 _top_menu1.src = "images/top_menu1a.gif";

 top_menu2 = new Image();
 top_menu2.src = "images/top_menu2.gif";
 _top_menu2 = new Image();
 _top_menu2.src = "images/top_menu2a.gif";

 top_menu3 = new Image();
 top_menu3.src = "images/top_menu3.gif";
 _top_menu3 = new Image();
 _top_menu3.src = "images/top_menu3a.gif";

 top_menu4 = new Image();
 top_menu4.src = "images/top_menu4.gif";
 _top_menu4 = new Image();
 _top_menu4.src = "images/top_menu4a.gif";

 menu1 = new Image();
 menu1.src = "images/menu1.gif";
 _menu1 = new Image();
 _menu1.src = "images/menu1a.gif";

 menu2 = new Image();
 menu2.src = "images/menu2.gif";
 _menu2 = new Image();
 _menu2.src = "images/menu2a.gif";

 menu3 = new Image();
 menu3.src = "images/menu3.gif";
 _menu3 = new Image();
 _menu3.src = "images/menu3a.gif";

 menu4 = new Image();
 menu4.src = "images/menu4.gif";
 _menu4 = new Image();
 _menu4.src = "images/menu4a.gif";

 menu5 = new Image();
 menu5.src = "images/menu5.gif";
 _menu5 = new Image();
 _menu5.src = "images/menu5a.gif";


}