#container {
  position: relative;
  width: 980px;
 
  margin:auto;
}
 
#left{
	float:left;
	width:780px;
}
 
#left_col {
	 float:left;
	 width: 200px;
}

#page_content {
	float:right;
	width:560px;
}
 
#right_col {
	float:right;
    width: 165px;
}