body>
a class="disabled">Button disabeld/a>nbsp;nbsp;nbsp;nbsp;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');
});
//操作請求
$("#submit").click(function() {
$("#submit").attr("disabled", "disabled");
alert("hi");//send ajax request
$("#submit").removeAttr("disabled");
});
});
/script>