.menu{
	position:absolute;
	width:157px;
	z-index:100;
	visibility: hidden;
	}
.menu_td1{
	background:bottom no-repeat url(images/nav_bg1.gif);
	text-align:center;
	padding-bottom:20px;
	}
.menu_td1 a{
	margin:auto;
	background: url(images/arrower_white.gif) 6px 9px no-repeat;
	line-height:29px;
	display:block;
	width:138px;
	text-align:left;
	font-size:14px;
	font-weight:bold;
	color:#fff;
	text-decoration:none;
	}
.menu_td1 a:hover{
	background:url(images/nav_bg4.gif);
	}
.menu_td1 a span{
	margin-left:18px;
	}
#zjcc{
	top:20px;
	left:275px;
	}
#hxyw{
	top:20px;
	left:398px;
	}
#cpjs{
	top:20px;
	left:490px;
	}	
	
#itfw{
	top:20px;
	left:625px;
	}
#cgal{
	top:20px;
	left:760px;
	}
	
	
/*-产品介绍的css-*/
.menu_2{
	position:absolute;
	width:221px;
	z-index:100;
	visibility: hidden;
	}
.menu_td2{
	background:bottom no-repeat url(images/nav_bg01.gif);
	text-align:center;
	padding-bottom:20px;
	width:221px;
	}
.menu_td2 a{
	margin:auto;
	background: url(images/arrower_white.gif) 6px 9px no-repeat;
	line-height:29px;
	display:block;
	text-align:left;
	font-size:14px;
	font-weight:bold;
	color:#fff;
	text-decoration:none;
	margin:0 7px;
	}
.menu_td2 a:hover{
	background:url(images/nav_bg4.gif);
	}
.menu_td2 a span{
	margin-left:18px;
	}