📄 2-5.htm
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<html>
<head>
<title>§2.5 始终位于窗口顶部的文本</title>
</head>
<body>
<script language=JavaScript>
function KeepItInIE(theName,theWantTop,theWantLeft)
{
theRealTop=parseInt(document.body.scrollTop)
theTrueTop=theWantTop+theRealTop
document.all[theName].style.top=theTrueTop
theRealLeft=parseInt(document.body.scrollLeft)
theTrueLeft=theWantLeft+theRealLeft
document.all[theName].style.left=theTrueLeft
}
function KeepItInNN(theName,theWantX,theWantY)
{
theRealLay=document.layers[theName]
theBadX=self.pageYOffset
theBadY=self.pageXOffset
theRealX=theBadX+theWantX
theRealY=theBadY+theWantY
theRealLay.moveTo(theRealY,theRealX)
}
IE4=(document.all)?1:0
NN4=(document.layers)?1:0
if (IE4)
setInterval('KeepItInIE("Myid1",0,0)',5)
if (NN4)
setInterval('KeepItInNN("Myid1",0,0)',5)
</script>
<div id="Myid1" style="position:absolute; left:0px; top:0px; width:188px; height:32px; z-index:25">
<a href="http://www.sina.com.cn">点击这里到新浪网</a></div>
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</body>
</html>
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