<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
<script>
function show1(showpad)
{
if (showpad.value=="请输入你的内容")
{
showpad.value="";
}
}
</script>
</head>
<body>
<input name=text1 type="text" name="showpad" size="40" value="请输入你的内容" onclick="this.focus();show1(this)">
</body>
</html>