<body>
<a class="disabled">Button disabeld</a> <a class="abled">Button abled</a><br/><br/>
<input type="button" id="submit" name="submit" value="submit">
</body>
<script type="text/javascript" src="../jquery-1.2.6.js"></script>
<script type="text/javascript">
$(function(){
//使其失效
$(".disabled").click(function(){
$("#submit").attr("disabled","disabled");
$("#submit").val('disabled...');
});
//激活
$(".abled").click(function(){
$("#submit").removeAttr("disabled");
$("#submit").val('submit');
});
//操作请求
$("#submit").click(function() {
$("#submit").attr("disabled", "disabled");
alert("hi");//send ajax request
$("#submit").removeAttr("disabled");
});
});
</script>
