a.tip {
	position: relative;
}
a.tip span { display: none; position: absolute; top: -8px; left: 2px; width: 87px; padding: 0 2px; z-index: 500; color: #fff; background: url(../picts/bg_tooltip.png); text-align: center; /* this is just for Safari */
}
a:hover.tip { font-size: 8px; font-weight: normal; font-style: normal; /* this is just for IE */
}
a:hover.tip span {
	display: block;
}