JavaScript
function myfunction(event) {
alert('some anchor clicked');
$('#txtCustFName').prop("disabled",false);
return false;
};
$(document).ready(function(){
$('#myanchorid').click(myfunction);
$('a.anchorclass').click(myfunction);
$('#anchorlist > a').click(myfunction);
});
HTML
<html xmlns="http://www.w3.org/1999/xhtml" >
<script type="text/javascript" id="Script1" src="jquery-1.8.2.min.js"></script>
<script type="text/javascript" id="myScript" src="myScript.js"></script>
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<a id="myanchorid" href="#">Click Me</a><br />
<a class="anchorclass" href="#">Click Me</a><br />
<input id="txtCustFName" name="txtRCustFName" type="text" required disabled="true"/><br />
<div id="anchorlist">
<a href="#">Click Me</a>
<a href="#">Click Me</a>
<a href="#">Click Me</a>
</div>
</div>
</form>
</body>
</html>
これを試してください....これで問題が解決します...