2008年9月18日星期四

显示帮助的div

<!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>code by:haiwa - 随滚动条移动的层 - 中国asp之家 - www.aspxhome.com</TITLE>  
<META HTTP-EQUIV="Content-Type" CONTENT="text/html" charset="gb2312">  
</HEAD>  
<style>  
<!--  
.div{  
position: absolute;  
border: 2px solid red;  
background-color: #EFEFEF;  
line-height:90px;  
font-size:12px;  
z-index:1000;  
}  
-->  
</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">  
<!--  
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>

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