if (document.images)
   {
     image_off= new Image(411,328);
     image_off.src="/templatefiles/images/home1.jpg";  

     image2= new Image(411,328);
     image2.src="/templatefiles/images/wholesale.jpg";
     image3= new Image(411,328);
     image3.src="/templatefiles/images/traffic.jpg";  
     image4= new Image(411,328);
     image4.src="/templatefiles/images/Engineering.jpg";   
     image5= new Image(411,328);
     image5.src="/templatefiles/images/prepaid.jpg";  
   }

function change1(picName,imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + ".src");
      document[picName].src= imgOn;
    }
 }