var imageDir = "/images/"
if (document.images) {
												
			   img01on = new Image();
               img01on.src = imageDir + "BtnHome_over.jpg";
			   img02on = new Image();
               img02on.src = imageDir + "BtnServices_over.jpg";
			   img03on = new Image();
               img03on.src = imageDir + "BtnSupport_over.jpg";
			   img04on = new Image();
               img04on.src = imageDir + "BtnAboutUs_over.jpg";
               img05on = new Image();
               img05on.src = imageDir + "BtnContactUs_over.jpg";
               img06on = new Image();
               img06on.src = imageDir + "BtnKnowledgebase_over.jpg";
               img07on = new Image();
               img07on.src = imageDir + "BtnCustomerLogin_over.jpg";
			   
			   img01off = new Image();
               img01off.src = imageDir + "BtnHome_off.jpg";
			   img02off = new Image();
               img02off.src = imageDir + "BtnServices_off.jpg";
			   img03off = new Image();
               img03off.src = imageDir + "BtnSupport_off.jpg";
			   img04off = new Image();
               img04off.src = imageDir + "BtnAboutUs_off.jpg";
               img05off = new Image();
               img05off.src = imageDir + "BtnContactUs_off.jpg";
               img06off = new Image();
               img06off.src = imageDir + "BtnKnowledgebase_off.jpg";
               img07off = new Image();
               img07off.src = imageDir + "BtnCustomerLogin_off.jpg";
			
			
			    img01topon = new Image();
                img01topon.src = imageDir + "BtnPrint_over.jpg";
                img02topon = new Image();
                img02topon.src = imageDir + "BtnEmail_over.jpg";
                img03topon = new Image();
                img03topon.src = imageDir + "BtnBookmark_over.jpg";
                img04topon = new Image();
                img04topon.src = imageDir + "BtnSitemap_over.jpg";
                
                img01topoff = new Image();
                img01topoff.src = imageDir + "BtnPrint_off.jpg";
                img02topoff = new Image();
                img02topoff.src = imageDir + "BtnEmail_off.jpg";
                img03topoff = new Image();
                img03topoff.src = imageDir + "BtnBookmark_off.jpg";
                img04topoff = new Image();
                img04topoff.src = imageDir + "BtnSitemap_off.jpg";
                			
			}
           function imgOn(imgName) {
                   if (document.images) {
                       document[imgName].src = eval(imgName + "on.src");
                   }
           }
           function imgOff(imgName) {
                   if (document.images) {
                       document[imgName].src = eval(imgName + "off.src");        
                   }
           }