var __CurrentArea;
var __CurrentCountry;
var pageCurrentArea;
function __setCookie(name,value,expires)//两个参数，一个是cookie的名子，一个是值
{
    /*var Days = 30; //此 cookie 将被保存 30 天
    var exp  = new Date();    //new Date("December 31, 9998");
    exp.setTime(exp.getTime() + Days*24*60*60*1000);
    document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
	*/
	if(expires==null){
		document.cookie = name + "="+ escape (value) +";path=/";
	}else{
		document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString() +";path=/";
	}
}
function __getCookie(name)//取cookies函数        
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
     if(arr != null) return unescape(arr[2]); return null;

}
function __delCookie(name)//删除cookie
{
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval=__getCookie(name);
    if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}
function changeCountry(area,country){
	__CurrentArea=area;
	__CurrentCountry=country;
	__setCookie("CurrentArea",__CurrentArea);
	__setCookie("CurrentCountry",__CurrentCountry);
}
function writeArea(){
	if(__CurrentArea==null){
		initCurrentInfo();
	}
	document.write("Products in "+__CurrentArea);
}
function initCurrentInfo(){
	__CurrentArea=__getCookie("CurrentArea");
	__CurrentCountry=__getCookie("CurrentCountry");
	if(__CurrentArea==null){
		__CurrentArea="Global";
		__setCookie("CurrentArea",__CurrentArea);
	}
	if(__CurrentCountry==null){
		__CurrentCountry="China";
		__setCookie("CurrentCountry",__CurrentCountry);
	}
	
}
initCurrentInfo();