a.dimThumb img {
	filter:alpha(opacity=50);
	-moz-opacity:0.5;
	-khtml-opacity: 0.5;
	opacity: 0.5;
}

a.dimThumb:hover img {
	filter:alpha(opacity=100);
	-moz-opacity:1;
	-khtml-opacity: 1;
	opacity: 1;
}