[javascript]代码库
<html>
<head>
<title>跟随鼠标的图像</title>
</head>
<body>
<script language="JavaScript">
var newtop=0
var newleft=0
layerStyleRef="layer.style.";
layerRef="document.all";
styleSwitch=".style";
function doMouseMove()
{
layerName = 'picture'
eval('var curElement='+layerRef+'["'+layerName+'"]')
eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"')
eval('curElement'+styleSwitch+'.visibility="visible"')
eval('newleft=document.body.clientWidth-curElement'+styleSwitch+'.pixelWidth')
eval('newtop=document.body.clientHeight-curElement'+styleSwitch+'.pixelHeight')
eval('height=curElement'+styleSwitch+'.height')
eval('width=curElement'+styleSwitch+'.width')
width=parseInt(width)
height=parseInt(height)
if (event.clientX > (document.body.clientWidth - width))
{
newleft=document.body.clientWidth + document.body.scrollLeft- width
}
else{newleft=document.body.scrollLeft + event.clientX}
eval('curElement'+styleSwitch+'.pixelLeft=newleft')
if (event.clientY > (document.body.clientHeight - height))
{
newtop=document.body.clientHeight + document.body.scrollTop - height
}
else
{
newtop=document.body.scrollTop + event.clientY
}
eval('curElement'+styleSwitch+'.pixelTop=newtop')
}
document.onmousemove = doMouseMove;
document.write("<img ID=picture src='pic01.gif' Style='position:absolute;TOP:0pt;LEFT:0pt;Z-INDEX:2; visibility:hidden;'>");
</script>
</body>
</html>
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