function setCookie(name, value, expires, path, domain, secure) {
    // http://kevin.vanzonneveld.net
    // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // *     example 1: setcookie('author_name', 'Kevin van Zonneveld');
    // *     returns 1: true
 
    expires instanceof Date ? expires = expires.toGMTString() : typeof(expires) == 'number' && (expires = (new 
Date(+(new Date) + expires * 1e3)).toGMTString());
    var r = [name + "=" + escape(value)], s, i;
    for(i in s = {expires: expires, path: path, domain: domain}){
        s[i] && r.push(i + "=" + s[i]);
    }
    return secure && r.push("secure"), document.cookie = r.join(";"), true;
}


function delCookie(name,path,domain){
if(getCookie(name)){
    document.cookie=name+"=" +((path==null)?"":";path="+path)+((domain==null)?"":";domain="+domain)+";expires=Thu,01-Jan-70 00:00:01 GMT";
    }
}

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 "";
}