$(function(){
    $("#Form_SubscribeForm_action_subscribe").click(function(){
             var _f = $("input#Form_SubscribeForm_Email");
             var _e = _f.val();
             if(IsEmail(_e)){
                  $.post("/home/subscribe" , {'Email':_e},
                  function(data){
                      _f.val(data.result);
                  }, "json");
             } else {
                 _f.val("Invalid Email Address")
             }
            return false;
        }
    );
})
function IsEmail(email) {
            var regex = /^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
            if (regex.test(email)) return true;
            else return false;
        }