$(document).ready(function()
{
	$(".artistthumbBox").hover(
		function()	// Mouse in
		{
			var parentId = $(this).attr("id");
			var thumbSpan = "#" + parentId + " span";
			
			// Show span 
			$(thumbSpan).removeClass('hidden');

			// Calculate 'top' and 'left' based on parent size
			var ah = $(thumbSpan).height();
			var ph = ($(thumbSpan).parent().height());
			var mh = (ph - ah) / 2;
			
			var aw = $(thumbSpan).width();
			var pw = ($(thumbSpan).parent().width());
			var mw = (pw - aw) / 2;

			$(thumbSpan).css({'top': mh, 'left': mw});
		},
		
		function()	// Mouse out
		{
			$(".artistthumbBox span").addClass('hidden');
		}
	);

});