#all{
	clear: both;
	width: 950px;
	margin-left: auto;
	margin-right: auto;
}
	#header{
		clear: both;
	}
	#logo{
		clear: both;
	}
		#logo_left{
			float: left;
			width: 482px;
		}
		#logo_right{
			float: left;
			width: 468px;
		}
	#main{
		clear: both;
	}
		#main_left{
			float: left;
			width: 120px;
		}
		#main_center{
			float: left;
			width: 500px;
			margin-left: 15px;
		}
		#main_right{
			float: left;
			width: 300px;
			margin-left: 15px;
		}