// JavaScript Document
var time;
$(document).ready(function(){
	var navi_btns = $("#navi_btns .navi_btn");
	navi_btns.each(function(){
		$(this).mouseover(function(){
			$(this).css("background-color","#1E2959");
		});
		$(this).mouseout(function(){
			$(this).css("background-color","#3399CD");
		});
	})
	var resource_menu_btn = $(".resource_menu_btn");
	resource_menu_btn.each(function(){
		$(this).mouseover(function(){
			$(this).css("background-color","#1E2959");
		});
		$(this).mouseout(function(){
			$(this).css("background-color","#3399CD");
		});
	})
	var resource_btn = $("#resource_btn");
	var resource_menu = $("#resource_menu");
	resource_btn.mouseover(function(){
		stopHideInterval();
		resource_menu.slideDown("fast");
	});
	resource_menu.mouseover(function(){
		stopHideInterval();
		resource_menu.show();
	});
	resource_btn.mouseout(function(){
		startHideInterval();
	});
});

function hideMenu(){
	var resource_menu = $("#resource_menu");
	resource_menu.slideUp("fast");
}

function startHideInterval(){
	if(time == ""){
		time = setInterval("hideMenu()",400);
	}else{
		stopHideInterval();
	}
}

function stopHideInterval(){
	if (time != "") {
		clearInterval(time);
		time = "";
	}
}