废墟

function obj2str(o){
  var r = [];
  if(typeof o == "string" || o == null) {
    return o;
  }
  if(typeof o == "object"){
    if(!o.sort){
      r[0]="{"
      for(var i in o){
        r[r.length]=i;
        r[r.length]=":";
        r[r.length]=obj2str(o[i]);
        r[r.length]=",";
      }
      r[r.length-1]="}"
    }else{
      r[0]="["
      for(var i =0;i<o.length;i++){
        r[r.length]=obj2str(o[i]);
        r[r.length]=",";
      }
      r[r.length-1]="]"
    }
    return r.join("");
  }
  return o.toString();
}

function setCookie(c_name,value,expiredays) {
  var exdate=new Date();
  exdate.setDate(expiredays);
  document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate);
}

function getCookie(c_name) {
  if (document.cookie.length>0)
  {
    c_start=document.cookie.indexOf(c_name + "=");
    if (c_start!=-1)
    {
      c_start=c_start + c_name.length+1;
      c_end=document.cookie.indexOf(";",c_start);
      if (c_end==-1) c_end=document.cookie.length
      return unescape(document.cookie.substring(c_start,c_end));
    }
  }
  return null
}