BODY {
	background-color : #999999;
	margin: 0px 0px 0px 0px;
}
#contenedor {
	width: 1024px;
	background-color : #83622C;
	margin: auto;
	height: 580px;
}
#izquierda {
	width: 250px;
	float: left;
	height: 580px;
		
} 
#derecha {
	width: 700px;
	float: right;
	height: 580px;	
}