function jml (obj) {
        if (obj.value =='Enter Your E-mail Address') {
          obj.value = '';
        }
      }

      function showimage (divobj) {
        document.getElementById(divobj).style.display = 'block';
      }
      function hideimage (divobj) {
        document.getElementById(divobj).style.display = 'none';
      }

      image0 = new Image();
      image0.src = "images/twitter_over.jpg";
      image1 = new Image();
      image1.src = "images/apply_online_over.jpg";
      image2 = new Image();
      image2.src = "images/contact_us_over.jpg";
      image3 = new Image();
      image3.src = "images/sign_up_over.jpg";
      image4 = new Image();
      image4.src = "images/facebook_over.jpg";