// here images are preloaded            
            str1 = new String("himani@.com");
            if(navigator.useragent != null)
            							str1=navigator.useragent;
            if (str1.indexOf("MSIE") < 0)
             {
              onimage1 = new Image(41,41); 
              onimage1.src = "gifs/home1.gif"; 
              offimage1 = new Image(41,41); 
              offimage1.src = "gifs/home2.gif";

              onimage2 = new Image(41,41); 
              onimage2.src = "gifs/profile1.gif"; 
              offimage2 = new Image(41,41); 
              offimage2.src = "gifs/profile2.gif";

              onimage3 = new Image(41,41); 
              onimage3.src = "gifs/contact1.gif"; 
              offimage3 = new Image(41,41); 
              offimage3.src = "gifs/contact2.gif";

												 	onimage4 = new Image(41,41); 
              onimage4.src = "gifs/query1.gif"; 
              offimage4 = new Image(41,41); 
              offimage4.src = "gifs/query2.gif";

												 	onimage5 = new Image(41,41); 
              onimage5.src = "gifs/email1.gif"; 
              offimage5 = new Image(41,41); 
              offimage5.src = "gifs/email2.gif";	

								     } 
             function itson(imgDocID,imgObjName) {
             if (str1.indexOf("MSIE") < 0)
              
             document.images[imgDocID].src=eval(imgObjName+".src");
                              }