<script>
<!--
var winheight = 100
var winsize = 100
var y = 5
var mylocation;
function go(url) {
win2=window.open("","","scrollbars")
if (!document.layers&&!document.all){
win2.location = mylocation
return
}
win2.resizeTo(100,100)
win2.moveTo(0,0)
mylocation = url;
go2()
}
function go2(){
if (winheight >= (screen.availHeight - 30))
y = 0
win2.resizeBy(5, y)
winheight += 5
winsize += 5
if (winsize >= (screen.width - 5)) {
win2.location = mylocation;
winheight = 100
winsize = 100
y = 5
return
}
setTimeout("go2()",50)
}
//-->
</script>
说明：上面代码放到<head>区
按钮代码：<input type="button" value="看看效果" name="B2" onclick="go("go.htm")">
你也可以用<body onload="go("go.htm")">调用函数
……