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实现双击网页后页面自动向上滚动

2007-04-19 10:10 453 查看
<SCRIPT language=JavaScript>
var currentpos,timer;
function initialize() { timer=setInterval("scrollwindow()",10);}
function sc(){clearInterval(timer);}
function scrollwindow() {currentpos=document.body.scrollTop;window.scroll(0,++currentpos);if (currentpos != document.body.scrollTop) sc();}
document.onmousedown=sc
document.ondblclick=initialize

</SCRIPT>
********************************************************

<SCRIPT LANGUAGE=javascript>
<!--
function ifauScroll(){
var CHei=window.document.body.offsetHeight;
for(i=0;i<CHei;i++){
window.scrollTo(0,i);}
}

document.ondblclick=ifauScroll;
//-->
</SCRIPT>

****************************************************

<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>New Page 2</title>
</head>

<body>
<script language="javascript">
var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",50);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize
</script>
<p>a</p>
<p>b</p>
<p>vc</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>dd</p>
<p>d</p>
<p>d</p>
<p>d</p>
<p>d</p>
</body>

</html>
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