$(document).ready(function(){
	$('#header li a').hover(function(){
		if ($(this).hasClass('currentPage'))
			return true;
		var imgWithin = $(this).find('img');
		if (imgWithin.length == 1){
			imgWithin.attr('src',imgWithin.attr('src').replace('.jpg','_selected.jpg'));
		}
	},function(){
		if ($(this).hasClass('currentPage'))
			return true;
		var imgWithin = $(this).find('img');
		if (imgWithin.length == 1){
imgWithin.attr('src',imgWithin.attr('src').replace('_selected.jpg','.jpg'));
		}
	});
});