td.left_blue {
	background-color: #FFFFFF;
	background-image: url(../images/box/blue/math4u2_box_left.gif);
	background-repeat: repeat-y;
}

td.right_blue {
	background-color: #FFFFFF;
	background-image: url(../images/box/blue/math4u2_box_right.gif);
	background-repeat: repeat-y;
}

td.top_blue {
	background-color: #FFFFFF;
	background-image: url(../images/box/blue/math4u2_box_top.gif);
	background-repeat: repeat-x;
}

td.down_blue {
	background-color: #FFFFFF;
	background-image: url(../images/box/blue/math4u2_box_down.gif);
	background-repeat: repeat-x;
}

td.content_blue {
	background-color: #FFFFFF;
	background-image: url(../images/box/blue/math4u2_box_background.gif);
	background-repeat: repeat;
}

td.left_orange {
	background-color: #FFFFFF;
	background-image: url(../images/box/orange/math4u2_box_left.gif);
	background-repeat: repeat-y;
}

td.right_orange {
	background-color: #FFFFFF;
	background-image: url(../images/box/orange/math4u2_box_right.gif);
	background-repeat: repeat-y;
}

td.top_orange {
	background-color: #FFFFFF;
	background-image: url(../images/box/orange/math4u2_box_top.gif);
	background-repeat: repeat-x;
}

td.down_orange {
	background-color: #FFFFFF;
	background-image: url(../images/box/orange/math4u2_box_down.gif);
	background-repeat: repeat-x;
}

td.content_orange {
	background-color: #FFFFFF;
	background-image: url(../images/box/orange/math4u2_box_background.gif);
	background-repeat: repeat;
}