function validate(obj) {
               if (obj.sEmail.value == "" || obj.sEmail.value.indexOf("@") == -1 || obj.sEmail.value.indexOf(".") == -1) {
                  alert("Please enter your valid Email Address.");
                  obj.sEmail.focus();
                  return false;
               } else {
                  return true;
               }
            }
            preload('submit','/_img/shared/submit_butt');