function SetCookie(cookieName, cookieValue, nDays, domain) {
         var today = new Date();
         var expire = new Date();
         if (nDays==null || nDays==0) 
            nDays=1;
         expire.setTime(today.getTime() + 3600000*24*nDays);
         document.cookie = cookieName + "=" + escape(cookieValue) + ";expires=" + expire.toGMTString() + "; domain=" + domain;

    }
    
    function Submit_form() {
        if (document.getElementById('save_login').checked) {
            SetCookie('login_name', '', -1, 'title.post.sk');
            SetCookie('login_name', '', -1, 'frontend.post.sk');
        }
        else {
            SetCookie('login_name', document.getElementById('login').value, 30, 'title.post.sk');
            SetCookie('login_name', document.getElementById('login').value, 30, 'frontend.post.sk');
        }
    }