a.button-2009, a.button-2008, a.button-2007, a.button-2006, a.button-2005, a.button-2004, a.button-2003, a.button-2002, a.button-2001, a.button-2000{
	width: 150px;
	height: 32px;
	float: left;
	margin-right: 2px;
	margin-bottom: 4px;
/* Text replacement with images */
	display:block;
	/* hide from ie5-mac \*/
 	overflow:hidden;
	line-height:0;
	line-height/* */: 0;
	/* end ie5-mac hide. Following lines hidden from IE5-win */
	line-height:normal;
	line-height/* */:normal;
	text-indent:-1000px;
	/* required for ie5-mac */
	font-size:1px;
	/* required for Netscape 7*/
	text-decoration:none;	
}

a.button-2009{
	background-image : url(images/button_top50_2009.gif);
}

a.button-2008{
	background-image : url(images/button_top50_2008.gif);
}

a.button-2007{
	background-image : url(images/button_top50_2007.gif);
}

a.button-2006{
	background-image : url(images/button_top50_2006.gif);
}

a.button-2005{
	background-image : url(images/button_top50_2005.gif);
}

a.button-2004{
	background-image : url(images/button_top50_2004.gif);
}

a.button-2003{
	background-image : url(images/button_top50_2003.gif);
}

a.button-2002{
	background-image : url(images/button_top50_2002.gif);
}

a.button-2001{
	background-image : url(images/button_top50_2001.gif);
}

a.button-2000{
	background-image : url(images/button_top50_2000.gif);
}