LIVEDAYS=90;
  function set_cookie(name, value) {
    document.cookie=name+"="+escape(value)+"; expires="+cookie_live();
  }
  function cookie_live() {
    var date=new Date();
    date.setDate(date.getDate()+LIVEDAYS);
    var gmt=date.toGMTString();
    var k1=gmt.indexOf(" ");
    var k2=gmt.indexOf(" ", k1+1);
    var k3=gmt.indexOf(" ", k2+1);
    var str=gmt.substring(0,k2)+"-"+gmt.substring(k2+1,k3)+"-"+gmt.substring(k3+3,gmt.length);
    return str;
  }
  function get_cookie(name) {
    var value=null;
    if(document.cookie != "") {
      var kk=document.cookie.indexOf(name+"=");
      if(kk >= 0) {
        kk=kk+name.length+1;
        var ll=document.cookie.indexOf(";", kk);
        if(ll < 0)ll=document.cookie.length;
        value=document.cookie.substring(kk, ll);
        value=unescape(value);
      }
    }
    return value;
  }