#mainnav{
	background:#fff url(../images/background.jpg) no-repeat;
	font-size:xx-small;
	vertical-align: top;
	position:relative;
	display:block;
	top:0;
	left:0;
	width:100%;
	height:80px;
	z-index:1000}
#top { 
  width: 100%; 
  float: none; 
  min-height: 5ex;
  border: 0px;
  padding: 0px;
  margin: 0px;
  background-image: url(/home/manyang/webprojects/images/background.gif); 
  background-color: #3F6489;
  min-width: 735px;
}