图片与JavaScript配合做出个性滚动条

<!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> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>图片与JavaScript配合做出个性滚动条</title> 
<style type="text/css"> 
* { margin:0; padding:0; } 
body { margin:20px 0 400px 20px; font:12px Arial; } 
h1 { font-size:14px; } 
ol { margin:20px; line-height:160%; } 
#out { 
position:relative; 
width:500px; 
height:300px; 
margin:100px 0 100px 80px; 
border:1px solid #369; 
overflow:hidden; 
} 
#content { 
width:520px; 
height:100%; 
overflow:auto; 
-moz-user-select:none; 
} 
#scrollBar,#scrollBarHandle,.scroll_bar_top,.scroll_bar_top_a,.scroll_bar_bottom,.scroll_bar_bottom_a { 
background-image:url(http://files.glzy8.com/demoimg/200910/un_bg_scrollBar.gif); 
} 
#scrollBar { 
position:absolute; 
top:0; 
right:0; 
z-index:9; 
width:14px; 
height:100%; 
background-repeat:repeat-y; 
background-position:-42px 0; 
float:left; 
} 
#scrollBarTop,#scrollBarHandle,#scrollBarBottom { 
position:absolute; 
left:0; 
cursor:default; 
} 
#scrollBarTop,#scrollBarBottom { 
width:100%; 
height:14px; 
color:#fff; 
text-align:center; 
} 
#scrollBarTop { top:0; } 
#scrollBarBottom { bottom:0; } 
#scrollBarHandle { width:100%; background-repeat:repeat-y; background-position:-28px 0; } 
.scroll_bar_top { background-position:0 0; } 
.scroll_bar_top_a { background-position:-14px 0; } 
.scroll_bar_bottom { background-position:-56px 0; } 
.scroll_bar_bottom_a { background-position:-70px 0; } 
</style> 
</head> 
<body> 
<div id="out"> 
 
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</div> 
<div id="scrollBar"> 
<div id="scrollBarTop" class="scroll_bar_top"></div> 
<div id="scrollBarHandle"></div> 
<div id="scrollBarBottom" class="scroll_bar_bottom"></div> 
</div> 
</div> 
<img src="/_New/_cj/myeditor/sysimage/space.gif" class="ewebeditor__script" _ewebeditor_fake_tag="script" 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