/*nav---start---*/
.main_nav {height:38px; border-top:1px solid #69c; border-bottom:1px solid #ccc; background-image:url(nav.gif)}
.main_nav ul { width:990px; margin:0 auto;background:url(nav3.gif) right center no-repeat;}
.main_nav ul li { font-weight:bold; float:left; width:110px; height:38px; position:relative; }
.main_nav ul li a {
	display:block;
	height:38px;
	line-height:38px;
	text-align:center;
	background:url(nav3.gif) left center no-repeat;
	color:#fff;
	text-decoration:none;
}
.main_nav ul li a:visited{color:#fff}

.main_nav ul li a:hover{color:#036; background:url(nav4.gif) 0 center no-repeat;}
.click {margin-top:200px;}

/*nav--end---*/