$(document).ready(function(){
	$(function() { 
		$(".swt img").hover(
			function () {
				$(this).css("opacity","0.6");},
			function () {
				$(this).css("opacity","1");}
		);
		$(".btn img, .nv1 a img, .nv2 a img").hover(
			function () {
				$(this).css("opacity","0");},
			function () {
				$(this).css("opacity","1");}
		);
		$(".current a").css("opacity","0");
		$(".current a").hover(
			function () {
				$(this).css("opacity","0");},
			function () {
				$(this).css("opacity","0");}
		);
	});
});