var sp=GetQueryString("code");
if(Len(sp)>1)
  {
	  setCookie("code",sp);
	
   }
function setCookie(name,value)
 {
     var Days = 30;
        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)
   {
      var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");
        if(arr=document.cookie.match(reg)) return unescape(arr[2]);
        else return null;
   }
  function delCookie(name)
  {
      var exp = new Date();
         exp.setTime(exp.getTime() - 1);
     var cval=getCookie(name);
         if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
 }
function GetQueryString(name) {

   var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i");

   var r = window.location.search.substr(1).match(reg);

   if (r!=null) return unescape(r[2]); return null;

}
function Len(str)
{
     var i,sum;
     sum=0;
	 if(str!=null){
     for(i=0;i<str.length;i++)
     {
         if ((str.charCodeAt(i)>=0) && (str.charCodeAt(i)<=255))
             sum=sum+1;
         else
             sum=sum+2;
     }
     return sum;
    }
	else
	return null;
    

}