function changeImage(obj,imgUrl)
        {
            var objImg = document.getElementById(obj);
            objImg.src='/images/Ecard/skin/images/'+imgUrl;
        }
        function changeImageBg(obj,imgUrl)
        {
            var objImg = document.getElementById(obj);
            objImg.style.background ='url(/images/Ecard/skin/images/'+imgUrl+")";
        }
	    function addLoadEvent(func) {
          var oldonload = window.onload;
          if (typeof window.onload != 'function') {
            window.onload = func;
          } else {
            window.onload = function() {
              if (oldonload) {
                oldonload();
              }
              func();
            }
          }
        }