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21、跟随鼠标的图片

类别: JavaScript教程

====1、将以下的代码加入到HEML的<head></head>之间：


<script LANGUAGE="JavaScript">
var newtop=0
var newleft=0
if (navigator.appName == "Netscape") {
layerStyleRef="layer.";
layerRef="document.layers";
styleSwitch="";
}
else
{
layerStyleRef="layer.style.";
layerRef="document.all";
styleSwitch=".style";
}
function doMouseMove() {
layerName = \'iit\'
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 - 5 - width))
{
newleft=document.body.clientWidth + document.body.scrollLeft - 5 - width
}
else
{
newleft=document.body.scrollLeft + event.clientX
}
eval(\'curElement\'+styleSwitch+\'.pixelLeft=newleft\')
if (event.clientY > (document.body.clientHeight - 5 - height))
{
newtop=document.body.clientHeight + document.body.scrollTop - 5 - height
}
else
{
newtop=document.body.scrollTop + event.clientY
}
eval(\'curElement\'+styleSwitch+\'.pixelTop=newtop\')
}
document.onmousemove = doMouseMove;
</script>

====2、将以下代码加入到HEML的<body></body>之间：


<script language="javascript">
if (navigator.appName == "Netscape") {
}
else
{
document.write(\'<div ID=OuterDiv>\')
document.write(\'<img ID=iit src="想要显示的图片.gif" STYLE="position:absolute;TOP:5pt;LEFT:5pt;Z-INDEX:10;visibility:hidden;">\')
document.write(\'</div>\')
}
</script>

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