<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>表單提交后按鈕變灰</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
</head>
<body>
<!--把下面代碼加到<body>與</body>之間-->
<form name="form1" method="post" action="http://www.49028c.com">
<input type="text" name="username" value="zzsky">
<input type="button" value="提交" onclick="<a href=//www.49028c.com/js.html target=_blank >javascript</a>:{this.disabled=true;document.form1.submit();}">
</form>
</body>
</html>
