<body onload="myhomepage();">
<script language="javascript">
function myhomepage(){
this.homepage.style.behavior='url(#default#homepage)';this.homepage.sethomepage('http://www.7dspace.com/');
}
</script>
<p align="center"><a href="html.htm" name="homepage" onclick="myhomepage();">设为主页</a></body>
进入页面时弹出问候语:
<script language="javascript">
alert("网页教学网欢迎您！")
</script>
