if(document.images){
   var imgOut = new Object();
   imgOut["main"] = new Image(45, 16);
   imgOut["main"].src = "images/menu/main-off.gif";
   imgOut["about"] = new Image(59, 16);
   imgOut["about"].src = "images/menu/about-off.gif";
   imgOut["coaches"] = new Image(107, 16);
   imgOut["coaches"].src = "images/menu/coaches-off.gif";
   imgOut["clients"] = new Image(69, 16);
   imgOut["clients"].src = "images/menu/clients-off.gif";
   imgOut["leasing"] = new Image(69, 16);
   imgOut["leasing"].src = "images/menu/leasing-off.gif";
	 imgOut["sales"] = new Image(57, 16);
   imgOut["sales"].src = "images/menu/sales-off.gif";
   imgOut["news"] = new Image(56, 16);
   imgOut["news"].src = "images/menu/news-off.gif";
   imgOut["contact"] = new Image(64, 16);
   imgOut["contact"].src = "images/menu/contact-off.gif";
   imgOut["gallery"] = new Image(78, 50);
   imgOut["gallery"].src = "images/gallery.jpg";
   imgOut["view"] = new Image(86, 22);
   imgOut["view"].src = "images/view-more-off.gif";

   var imgOver = new Object();
   imgOver["main"] = new Image(45, 16);
   imgOver["main"].src = "images/menu/main-on.gif";
   imgOver["about"] = new Image(59, 16);
   imgOver["about"].src = "images/menu/about-on.gif";
   imgOver["coaches"] = new Image(107, 16);
   imgOver["coaches"].src = "images/menu/coaches-on.gif";
   imgOver["clients"] = new Image(69, 16);
   imgOver["clients"].src = "images/menu/clients-on.gif";
   imgOver["leasing"] = new Image(69, 16);
   imgOver["leasing"].src = "images/menu/leasing-on.gif";
	 imgOver["sales"] = new Image(57, 16);
   imgOver["sales"].src = "images/menu/sales-on.gif";
   imgOver["news"] = new Image(56, 16);
   imgOver["news"].src = "images/menu/news-on.gif";
   imgOver["contact"] = new Image(64, 16);
   imgOver["contact"].src = "images/menu/contact-on.gif";
   imgOver["gallery"] = new Image(78, 50);
   imgOver["gallery"].src = "images/gallery-on.jpg";
   imgOver["view"] = new Image(86, 22);
   imgOver["view"].src = "images/view-more-on.gif";
}


function swapImage(evt){
   if(document.images){
      evt = (evt) ? evt : ((window.event) ? window.event : null);
      if(evt){
         var elem = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
         if(elem && elem.className == "swappable"){
            switch (evt.type){
               case "mouseover":
                  elem.src = imgOver[elem.id].src;
                  break;
               case "mouseout":
                  elem.src = imgOut[elem.id].src;
                  break;
            }
         }
      }
   }
}
document.onmouseover = swapImage;
document.onmouseout = swapImage;