<style type="text/css">  
*{margin:0;padding:0;}

#nav{
	font-family:Arial, Helvetica, sans-serif;
	font-size:12px;
	                
	background:#017eff;
	width:752px;
	}   
#nav ul{
padding:0px 35px;
list-style:none;
}   

#nav ul li {
	float:left;
	position:relative;
	height:28px;
	line-height:28px;	
}  
#nav ul li a{ 

} 
#nav ul li ul {
  
}   
#nav table {
	position:absolute; 
	top:0; left:0;
}  

#nav ul li:hover ul,   
#nav ul a:hover ul{
	visibility:visible;
}   
#nav a{
	display:block;
	background:#017eff ;
	padding:0 10px;
	color:#fff;
	text-decoration:none;
}   
#nav a:hover{
	
	
}   
#nav  ul li ul{  
    visibility:hidden;
	position:absolute;
	left:3px;
	top:23px;
	margin-left:-30px;
	margin-top:5px;
}  
#nav ul li ul li {
	clear:both;
	text-align:left;
	font-size:12px;
	height:20px;
	line-height:20px;
	
}   
#nav ul li ul li a{
	display:block;
	width:128px;      /*×Ó²Ëµ¥¿í¶ÈÉèÖÃ*/
	background:#395a9f;
}   
#nav ul li ul li a:hover{
	background:#017eff ;
	display:block;
} 

</style>
