(function($){

$(document).ready(function(){
	var $headerImages = $('#header-image>img');
	
	$('#content-menu a').mouseover(function() {
		$headerImages.hide();
		
		var src = $('>img', this).attr('src');
		src = src.replace('_icon', '_feature');
		$headerImages.filter('[src$='+src+']').show();
	});
});

})(jQuery);