 
<!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=gb2312" /> 
<title>無標(biāo)題文檔</title> 
<style type="text/css"> 
#Adiv div {float:left; width:100px;border:1px solid #333;margin-top:100px;} 
#SDiv {width:135px;position: absolute;} 
</style> 
<script type="text/javascript" src="js/jquery-1.7.2.js"></script> 
<script type="text/javascript"> 
$(function(){ 
var x = -90; 
var y = -70; 
$("#Adiv div").mouseenter(function(e){ 
this.xx = ($(this).index() + 1) * 100; 
this.yy = $(this).offset().top; 
var login = $(this).attr("href"); 
if($("#SDiv")){$("#SDiv").remove();} 
var div = "<div id='SDiv' style='border:1px solid #333'><img src='images/login_box/box_onmouse.png' border='0' usemap='#Map' /><map name='Map' id='Map'><area shape='rect' id='divLogin' coords='16,14,67,35' href="+login+" /><area shape='rect' id='divRegister' coords='75,15,127,37'  /></map></div>"; 
$("body").append(div); 
$("#SDiv").css({ "top": (this.yy + y) + "px", "left": (this.xx + x) + "px" }); 
}).mouseleave(function (e) { 
var ex = e.pageX; 
var ey = e.pageY; 
var sx = $("#SDiv").offset().top; 
var sxx = $("#SDiv").offset().top + 72; 
var sy = $("#SDiv").offset().left; 
var syy = $("#SDiv").offset().left + 135; 
if(ey > sx && ey <= sxx && ex > sy && ex <= syy){ 
$("#SDiv").mouseleave(function(){$("#SDiv").remove();}); 
return false; 
} 
$("#SDiv").remove(); 
}); 
}) 
</script> 
</head> 


<body> 
<!-- 
<div class="box_onmouse"><img src="images/login_box/box_onmouse.png" border="0" usemap="#Map" /> 
<map name="Map" id="Map"> 
<area shape="rect" id="divLogin" coords="16,14,67,35" href="#" /> 
<area shape="rect" id="divRegister" coords="75,15,127,37" href="#" /> 
</map> 
</div> 
--> 
<div id="Adiv"> 
<div href="11111">1111111</div> 
<div href="22222">2222222</div> 
<div href="33333">3333333</div> 
</div> 
<div>項目中有這樣的需求：鼠標(biāo)移動到某個div上面時動態(tài)創(chuàng)建一個層，這個層中有2個按鈕圖片（美工切換了），每個圖片鏈接不同地址（鏈接地址有前面的div提供），鼠標(biāo)移除這個層則移除創(chuàng)建的div，如果鼠標(biāo)移動到這個創(chuàng)建的div上面則不移除</div> 
</body> 
</html> 