$(document).ready(function() {
//	var menu = getCookie("menu");
//	if (menu != "")
//	{
//		qiehuan(menu);
//	}
//	else qiehuan("mynav_0");

	$(".nav_off").mouseover(function(){
		
		var submenu = this.id;
		qiehuan(submenu);
	});
	$(".nav_off").click(function(){
		var submenu = this.id;
		setCookie("menu", submenu);
	});

	$("#qty").keyup(function() {
		if (this.value != '')
		{		
			if (!isNumber($("#qty").val()))
			{
				alert("Quantity need number(eg: 1,2,3)");
				$("#qty").val("1");
				$("#qty").focus();
				return false;
			}
			$("#add").val($("#qty").val());
		}
	});
	$("#submit").click(function() {
		var goods_items = getCookie("goods_item");
		var goods_money = getCookie("goods_money");
		if (goods_items == '') goods_items =0;
		if (goods_money == '') goods_money =0;

		goods_items = Number(goods_items)+1;
		goods_money = Number(goods_money)+Number($("#amount").val())

		
		setCookie("goods_item", goods_items);
		setCookie("goods_money", goods_money);

		$("#cart_item").html(goods_items + " Item(s) ");
		$("#cart_price").html("$" + goods_money.toFixed(2));

	});

	//top my cart 
	var goods_items = getCookie("goods_item");
	var goods_money = getCookie("goods_money");
	if (goods_items !="")
	{
		$("#cart_item").html(goods_items+" Item(s) ");
	}
	if (goods_money !="")
	{
		goods_money = Number(goods_money);
		$("#cart_price").html("$" + goods_money.toFixed(2));
	}

	//show you hui message
	//var message = document.createElement("div");
	//message.innerHTML = "hello,   world.";   

	//document.getElementById("search_div").appendChild(message); 
	var newDiv = document.createElement("div");
	//newDiv.setAttribute("class", "ad_shipping");
	
newDiv.innerHTML = "<h2 class='ad_shipping'>Get 55% up to &pound;4.99, Shipping Worldwide: &pound;4.99 </h1>";


	// add the newly created element and it's content into the DOM
	var my_div = document.getElementById("search_div");
	var parentDiv = my_div.parentNode;
	parentDiv.insertBefore(newDiv, my_div);
	//$("search_div").insertBefore("#foo");
});
//check s weather number
function isNumber(s){   
	var regu = "^[0-9]+$";
	var re = new RegExp(regu);
	if (s.search(re) != -1) {
	   return true;
	} else {
	   return false;
	}
}

//cookie save
function setCookie(sName, sValue)
{
	date = new Date();
	document.cookie = sName + "=" + escape(sValue) + "; ";
}
//get cookie value
function getCookie(sName)
{

	var the_cookie = document.cookie;
	var sValue="";
	the_cookie_split = the_cookie.split("; ");
	for (loop=0;loop<the_cookie_split.length;loop++) {

		var part_of_split = the_cookie_split[loop];
		var find_name = part_of_split.indexOf(sName)
		if (find_name!=-1) {
			sValue = part_of_split.split("=");
			return sValue[1];
			break;
		}
	}
	return sValue;
}
//delete cookie
function delCookie(sName)
{

   var expdate = new Date(); 
   expdate.setTime(expdate.getTime() - (86400 * 1000 * 1)); 
   setCookie(sName, "", expdate); 
}