/**
 * Create new cookie
 *
 * @param string name
 * @param mixed value
 * @param date days
 * @return void
 */
function createCookie(name,value,days) {

    var expires;

    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days*24*60*60*1000));
        expires = "; expires=" + date.toGMTString();
    }else{
        expires = "";
    }
    document.cookie = name + "=" + value + expires + "; path=/";
}

/**
 * Read cookie
 *
 * @param string Name
 * @return boolean
 */
function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return false;
}

/**
 * Delete cookie
 *
 * @param string name
 * @return void
 */
function deleteCookie(name, path, domain) {
    if (readCookie(name))
        document.cookie = name + "=" +
        ((path) ? ";path=" + path : "") +
        ((domain) ? ";domain=" + domain : "" ) +
        ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}