Css container div..

#container {
	position: relative;
	margin: auto;
	width: 990px;
	height: auto;
}
 
#header{
	width: 990px;
	height: 115px;		
}
 
#slideShow{
	position:absolute;
	float: left;
	left: 0;
	margin-top: 0;
	margin-right: 355px;
	margin-left: 0px;		
	width: 635px;
	height: 500px;
	z-index: 1;				
}
 
#sideAdvs{
	position: absolute;
	right: 0;
	margin-top: 0;		
	width: 300px;		
	z-index: 0;
}
 
div#articles{
	width: auto;
	height: auto;
	position: absolute;	
	left: 0;
	top: 620px;	
}
 
div#footer{
        position:absolute;
        bottom: 0;
	background-color: #B1BEC2 !important;
	text-align: center !important;
	width: 990px;
	height: 100px;
 
}
 
div#footer a{
	text-decoration: none;
	color: white;	
}
 
div#footer table{
	border: none !important;
	text-align: center;
	margin: 0;
	padding: 0;	
}
 
div#footer p{
	text-align: center;
	font-size: 15px;
}

<div id="container">
   <div id="header"></div>
   <div id="slideShow"></div>
   <div id="sideAdvs"></div>
   <div id="articles"></div>
   <div id="footer"></div>
</div>