<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">
<!--
function scall(){
 sc1();sc2();sc3();sc4();sc5();
}
window.onscroll=scall;
window.onresize=scall;
window.onload=scall;
//-->
</SCRIPT>
<div style="position: absolute; top: 0px; left: 0px; width: 10000px; height: 4000px;"></div>
</BODY>
</HTML>