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分享help!!!!
我有段让背景移动的代码。可是它只是横着移。我想让他向下移动要 怎么改
<script language="JavaScript">
var backgroundOffset=0;
var bgObject=eval('document.body');
function scrollBG(maxSize){
backgroundOffset=backgroundOffset+1;
if(backgroundOffset>maxSize)backgroundOffset=0;
bgObject.style.backgroundPosition="0"+backgroundOffset;
}
var ScrollTimer=window.setInterval("scrollBG(307)",64);
</script>
<script language="JavaScript">
var backgroundOffset=0;
var bgObject=eval('document.body');
function scrollBG(maxSize){
backgroundOffset=backgroundOffset+1;
if(backgroundOffset>maxSize)backgroundOffset=0;
bgObject.style.backgroundPosition="0"+backgroundOffset;
}
var ScrollTimer=window.setInterval("scrollBG(307)",64);
</script>
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emu 2002-11-01
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<script language="JavaScript">
var backgroundOffset=0;
function scrollBG(maxSize){
backgroundOffset=backgroundOffset+1;
if(backgroundOffset>maxSize)backgroundOffset=0;
document.body.style.backgroundPositionY="0"+backgroundOffset;
}
var ScrollTimer=window.setInterval("scrollBG(307)",64);
</script>
var backgroundOffset=0;
function scrollBG(maxSize){
backgroundOffset=backgroundOffset+1;
if(backgroundOffset>maxSize)backgroundOffset=0;
document.body.style.backgroundPositionY="0"+backgroundOffset;
}
var ScrollTimer=window.setInterval("scrollBG(307)",64);
</script>
