#banner {
	height:82px;
	width:322px;
	background-repeat:no-repeat;
	background-position:center center;
	cursor:pointer;
}
.b0 {
	background-image: url(images/google_logo.gif);
}
.b1 {
	background-image: url(images/yahoo_logo.gif);
}
.b2 {
	background-image: url(images/msn_logo.gif);
}
.b3 {
	background-image: url(images/ask_logo.png);
}