//author:zjb
//time:2010-5-21
//说明:统计注册会员的来源地址

function SetCookie(name,value)
{
    var Days = 1; //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();
}
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 urladdress(referurl)   
{   
	var url = referurl;   
	var noneed  = 'kukuspeak.com';
	if(url!="")   
	{   
		url  = url;	
	}
	else
	{
		url  = "http://www.kukuspeak.com";	
	}

	if(url.indexOf(noneed)!=-1)
	{
		var cookie_task = getCookie("register_do");

		if(cookie_task=='null')
		{
			SetCookie("register_do","http://www.kukuspeak.com");
		}
		else
		{
			SetCookie("register_do",cookie_task);
		}
	}
	else
	{
		SetCookie("register_do",url);
	}
}