.tip_right {
	float:right;
	width:150px;
	margin-left:5px;
	padding:5px;
	background-color:#FFFFCC;
}
.tip_left {
	float:left;
	width:150px;
	margin-right:5px;
	padding:5px;
	background-color:#FFFFCC;
}
.tip_center {
	width:90%;
	padding:5px;
	text-align:left;
	background-color:#FFFFCC;
	margin-bottom:10px;
}