一段类似代码<script>
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>
ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>
ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>
ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>
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>
ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>
ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>
ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>ballack<br/>
<a href="javascript:top.bottomframe.body.doScroll('pageUp')">pageUP</a><a href="javascript:top.bottomframe.body.doScroll('pageDown')">pageDOWN</a>
在mainframe的html页的<head>~</head>之间
=====================
<script language=JavaScript>
<!--
var currentpos = 0;
var pagestep = 400;function doScroll(actionx) {
(actionx == 'PageDown') ? newy = pagestep :newy = -pagestep;
if (currentpos < 0) {
currentpos = newy;
} else {
currentpos=currentpos+newy;
}
scroll(0,currentpos);
}
-->
</script>在bottomframe的html页中,如下引用。
============<a href="javascript:parent.mainFrame.doScroll('PageUp');"><img src="images/pageup.gif" width="120" height="60" border="0"></a>