* {margin:0;}

#main_yellow {
	margin:0 auto;
	width:826px;
	min-height:671px;
	background: #333 url('../images/bg_yellow.gif') scroll no-repeat;
}

#rt {
	width:413px;
	min-height:671px;
	float:right;
}

#rt:hover {
	background: url('../images/bg_right.gif') scroll no-repeat;
}

#lt {
	width:413px;
	min-height:671px;
	float:left;
}
#lt:hover {
	background: url('../images/bg_left.gif') scroll no-repeat;
}