div#main_wrapper{
	margin:0px auto;
	width:810px;
	height:1600px;
	text-align:left;
	background:url(../img/bg_main.gif) repeat-y;
}
div#main_wrapper div#main_leftnavi{
	width:150px;
	height:1600px;
	background:url(../img/bg_leftnavi1.gif) repeat-y;
	float:left;
}