.tip {
	font:12px sans-serif;
	border:solid 1px #666666;
	padding:5px; 
	position:absolute; 
	z-index:100; 
	visibility:hidden; 
	color:#333333; 
	top:20px; 
	left:90px; 
	background-color:#ffffcc; 
	layer-background-color:#ffffcc;
}
.z_tip {
	font:12px sans-serif;
	border:solid 1px #666666;
	padding:5px; 
	position:absolute; 
	z-index:101; 
	visibility:hidden; 
	color:#333333; 
	top:20px; 
	left:90px; 
	background-color:#ffffcc; 
	layer-background-color:#ffffcc;
}