#maindiv{
	margin:0 auto;
	height:auto;
	width: 1024px; 
	background-color:#0099FF;
}

#navdiv{
	margin:0 auto;
	height:auto;
	width: 1024px; 
	background-image:url('Nav_bg.png'); 
	background-repeat:repeat-x; 
}