#menuall{
width: 1004px;
position:absolute;top:90px ; 
}
#guorui{
height:48px;}
#menutop{

}
<!--[if lte IE 6]>
<style type="text/css">
#noniemenu {display:none;}
.menu {
margin: 0 auto;
width: 1004px; z-index:3;
}
.menu a.outer, .menu a.outer:absolute {
   color:#fff; 
   width:108px; 
   height:33px; 
   display:block; 
   background-image: url(image/mune.gif);
   border:0px solid #000; 
   margin-right:1px; 
   text-align:center; 
   float:left; 
   text-decoration:none; 
   font-family: verdana, arial, sans-serif; 
   font-size:12px; 
   line-height:33px; 
   overflow:hidden;

   }
.menu a.outer:hover {

  background-image: url(image/mune_lin.gif);
  overflow:visible;
  }
.menu a.outer:hover table.first {
  display:block; 
  background:#eee; 
  border-collapse:collapse;
  }
.menu a.inner, .menu a.inner:visited {
	display:block;
	width:106px;
	height:25px;
	text-align: center;
	text-decoration:none;
	color:#000;
	font-family: verdana, arial, sans-serif;
	font-size:12px;
	text-align: center;
  }
.menu a.inner:hover {
   background-image: url(image/mune_lin.gif);
  }

.menu a.outer table.first a.second {
  height:18px; 
  line-height:18px; 
  overflow:hidden; 
  font-weight:bold;
  
  }
.menu a.outer table.first a.second:hover {
  position:relative; 
  overflow:visible;
  }
.menu a.outer table.first a.second:hover table {
  position:absolute; 
  top:-2px; 
  left:102px; 
  border-collapse:collapse; 
  background:#eee; 
  border:1px solid #000; 
  font-weight:normal
}



.menu a.outer1, .menu a.outer1:visited {
   color: #FFFFFF; 
   width:239px; 
   height:33px; 
   display:block; 
   background-image: url(image/mune.gif);
   border:0px solid #000; 
   margin-right:1px; 
   text-align:center; 
   float:left; 
   text-decoration:none; 
   font-family: verdana, arial, sans-serif; 
   font-size:12px; 
   line-height:35px; 
   overflow:hidden;
   }

  
 
}

</style>
<![endif]-->


<!--[if lte IE 6]>
<style>

</style>
<![endif]-->d