a.rollover {
	
			display: block;
			overflow: hidden;
			background-image: none;
		}
		


	 a.rollover:hover {
	 /*
			background-image: url('grafa/tlo_roll.jpg');
					background-position: 50% 6px;
 					 background-repeat: no-repeat;
		*/			 
		}
		


	
	<!--[if IE 7]><style type="text/css"></style><![endif]-->
	
	<!--[if lte IE 6]>
	<style type="text/css">
	
		a.rollover:hover { display: block; }
		#example2 a.rollover:hover { zoom: 1; }

	</style>	
	<![endif]-->