window.onload=function GetUrl()
{
     var str=window.location.search;
	 var newStr=str.substr(1);
	 var UrlArray=newStr.split('&');
	 for(var i=0;i<UrlArray.length;i++)
	 {
   if(UrlArray[i].split('=')[0]=='userid')
		   {
			   if(isnumber(UrlArray[i].split('=')[1]))
			   {
			   keepourcookie(UrlArray[i].split('=')[1],'5');//设置保留天数
			   }
			   }
		 
	 }
	 document.getElementById('geturl').value=Geturl();

	 
}



function GetCookieValue(Input_Str)
{
    var Str=document.cookie.split('; ');
    for(var i=0;i<Str.length;i++)
    {
        var StrArray=Str[i].split('=');
        if(StrArray[0]==Input_Str)
        {
           return StrArray[1];
        }
    }
    return "";
}

function Geturl()
{
	var strlocation=window.location.search;
	if (GetCookieValue('userid')=='')
	{
		return window.location
		}
		else{
			if(strlocation.indexOf('userid=')>0)
			{
				return window.location
				}
	 return window.location+'?userid='+GetCookieValue('userid')
		}
	}
	
	
function oCopy(obj){ 

obj.select(); 

js=obj.createTextRange(); 

js.execCommand("Copy") ;
alert("链接已经复制到剪贴板！登陆后复制并发送此链接到其他论坛或者QQ好友，你的积分将会被增加！")

} 

function keepourcookie(value,strday) {
var today = new Date();
var expires = new Date();
expires.setTime(today.getTime() + 1000*60*60*24*strday);
setCookie("userid",value,expires);
}

function setCookie(name, value, expire) {   
 window.document.cookie = name + "=" + escape(value)+ ((expire == null) ? "" : ("; expires=" + expire.toGMTString()))+";path=/";
}

function isnumber(str)
{
   var strnum="0123456789";
   var MyArray=str.split('');
   for(var j=0;j<MyArray.length;j++)
   {
     if(strnum.indexOf(MyArray[j])==-1)
	 {
	    return  false;   //标识不是数字
	 }
   }
   return true;  ///标识为数字
}

//文章页面字体大小 
function ContentSize(size)
{
	var obj=document.all.BodyLabel;
	obj.style.fontSize=size+"px";
}