$("#have_votes_to_vote").load("/con/vote/act/hasleft",{clientTime:Date()},
       function(data){if(data==""){$(this).text('0')}}
  );

<?php require './script.php';?>
<label   id="have_votes_to_vote" class="have_votes_to_vote"></label>
<script language="javascript">

$.getJSON('http://xxx.xxx.com/con/vote/act/hasleft',function(data){alert(data.message);$("#have_votes_to_vote").text(data.message);});
</script>

    var noMiniPic = $.ajax({
        url: "/con/user/act/checkmini",
        data:"clientTime="+Date(),
    async: false
        }).responseText;
    if(parseInt(noMiniPic)==1)
    {
        alert('ÎÂÜ°Ìáʾ£ºÇëµã»÷ÉÏ´«£¬ÔÙÌá½»×¢²áÐÅÏ¢');  
        return false;
    }