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890天前<!DOCTYPE html> |
<html> |
<head> |
<title></title> |
<style type="text/css"> |
html, body { |
width:100%; |
margin:0px auto; |
padding:0px auto; |
} |
.div1 { |
height:2000px; |
} |
.div2 { |
width:200px; |
height:200px; |
background-color:#3399FF; |
margin-top:100px; |
} |
.div2_1{ |
position:fixed; |
width:200px; |
height:200px; |
z-index:999; |
background-color:#3399FF; |
top:0px; |
_position:absolute; |
_bottom:auto; |
_top:expression(eval(document.documentElement.scrollTop)); |
} |
*html{ |
background-image:url(about:blank); |
background-attachment:fixed; |
} |
|
</style> |
<script type="text/javascript"> |
window.onscroll=function(){ |
var t=document.documentElement.scrollTop||document.body.scrollTop; |
var div2=document.getElementById("div2"); |
if(t>= 100){ |
div2.className = "div2_1"; |
}else{ |
div2.className = "div2"; |
} |
} |
</script> |
</head> |
<body> |
<div class="div1"> |
<div id="div2" class="div2"></div> |
</div> |
</body> |
</html> |
<script type="text/javascript" src="/skin/js/fa5ea90bd23348cda66501dc07e822fa.js"></script> |
<script type="text/javascript" src="/skin/js/bdmap.js"></script> |
