(function($){

	 $(window).scroll(function(){
				if ($(this).scrollTop() > 80) {
					$('#menu').css({position:'fixed',zIndex:1000,top:0,height:55,background:'#3cbeef','border-bottom':'2px solid #3cbeef'});
					$('.menu_sub').css({height:55,background:'#3cbeef'});
					$('.menu_home').css({height:55,background:'#3cbeef'});
					$('.menu_sub img').css({'padding-top':'20px'});
					$('.menu_sub_m').css({'top':'55px'});
					
				} else {
					$('#menu').css({position:'relative',height:40,background:'#3cbeef','border-bottom':'0'});
					$('.menu_sub').css({background:''});
					$('.menu_home').css({background:''});
					$('.menu_sub img').css({'padding-top':'0'});
					$('.menu_sub_m').css({'top':'40px'});
				};
			});

	$(function(){


		$(document).ready(function(){
			var img_width;
			img_width = $("#post_area img").width();
			if(img_width > 710){
				$("#post_area img").css("width","710px");
			}
			return false;
		});

		$('.menu_sub').bind({
			mouseenter: function() {
				$("img", this).attr('src', $("img", this).attr('src').replace('_off', '_on'));
				var $btn=$(this).children("ul");
				if(!$btn.is(':animated')) $btn.slideDown({duration: 300, easing: "easeOutQuart", complete: "callback"});
			},
			mouseleave: function() {
				$(this).children("ul").slideUp({duration: 500, easing: "easeOutQuart", complete: "callback"});
				$("img", this).attr('src', $("img", this).attr('src').replace('_on', '_off'));
			}
		});
		
	});
})(jQuery);