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<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
 
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