随滚动条移动的层_Div+CSS教程

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<span style="word-break:break-all"><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <HEAD> <TITLE>随滚动条移动的层 - www.mb5u.com</TITLE> <META HTTP-EQUIV="Content-Type" CONTENT="text/html" charset="gb2312"> </HEAD> <style>  </style> <BODY> <div id="Javascript.Div1" class="div" style="width: 240px; height:90px" align="center">正中...</div> <SCRIPT LANGUAGE="JavaScript"> function sc1(){  document.getElementById("Javascript.Div1").style.top=(document.documentElement.scrollTop+(document.documentElement.clientHeight-document.getElementById("Javascript.Div1").offsetHeight)/2)+"px";  document.getElementById("Javascript.Div1").style.left=(document.documentElement.scrollLeft+(document.documentElement.clientWidth-document.getElementById("Javascript.Div1").offsetWidth)/2)+"px"; } </SCRIPT>   <div id="Javascript.Div2" class="div" style="width: 240px; height:90px" align="center">左上...</div> <SCRIPT LANGUAGE="JavaScript"> function sc2(){  document.getElementById("Javascript.Div2").style.top=(document.documentElement.scrollTop)+"px";  document.getElementById("Javascript.Div2").style.left=(document.documentElement.scrollLeft)+"px"; } </SCRIPT>  <div id="Javascript.Div3" class="div" style="width: 240px; height:90px" align="center">左下...</div> <SCRIPT LANGUAGE="JavaScript"> function sc3(){  document.getElementById("Javascript.Div3").style.top=(document.documentElement.scrollTop+document.documentElement.clientHeight-document.getElementById("Javascript.Div3").offsetHeight)+"px";  document.getElementById("Javascript.Div3").style.left=(document.documentElement.scrollLeft)+"px"; } </SCRIPT>  <div id="Javascript.Div4" class="div" style="width: 240px; height:90px" align="center">右上...</div> <SCRIPT LANGUAGE="JavaScript"> function sc4(){  document.getElementById("Javascript.Div4").style.top=(document.documentElement.scrollTop)+"px";  document.getElementById("Javascript.Div4").style.left=(document.documentElement.scrollLeft+document.documentElement.clientWidth-document.getElementById("Javascript.Div4").offsetWidth)+"px"; } </SCRIPT>  <div id="Javascript.Div5" class="div" style="width: 240px; height:90px" align="center">右下...</div> <SCRIPT LANGUAGE="JavaScript"> function sc5(){  document.getElementById("Javascript.Div5").style.top=(document.documentElement.scrollTop+document.documentElement.clientHeight-document.getElementById("Javascript.Div5").offsetHeight)+"px";  document.getElementById("Javascript.Div5").style.left=(document.documentElement.scrollLeft+document.documentElement.clientWidth-document.getElementById("Javascript.Div5").offsetWidth)+"px"; } </SCRIPT>   <SCRIPT LANGUAGE="JavaScript">  </SCRIPT> <div style="position: absolute; top: 0px; left: 0px; width: 10000px; height: 4000px;"></div> </BODY> </HTML></span>