/**
 * podle zvoleneho darku odkryje odkaz na darek a zmeni url (pokud je definovano shopid v poli darku - generuje se do js pole zvlast)
 */
function fitness_attrib_darky_change (shopid, sindex)
{
    var elem = document.getElementById('ukaz_darek_'+shopid);
    if (elem) {
        if (fitness_attrib_darek) {
            if (fitness_attrib_darek[shopid]) {
                if (fitness_attrib_darek[shopid][sindex-1]) {

                    var url = fitness_attrib_darek[shopid][sindex];
                    elem.href = url;
                    elem.style.display = 'inline';
                    return;

                }
            }
        }
        elem.style.display = 'none';
    }
}

/**
 * zobrazi okno s darkem
 */
function fitness_darek_show(an)
{
    var nw = window.open(an.href, 'darek', 'width=300,height=230');
    nw.focus();
}


/**
 * razeni diskuse
 */
function fitness_discussion_sort_url(url, select) {
    var add = '';
    if (url.indexOf('?') == -1) {
        add = '?';
    } else {
        add = '&';
    }
    switch(select.value){
        case 'date_created_asc':
            add += 'sortby=date_created&sortbydir=asc';
        break;
        case 'subject_asc':
            add += 'sortby=subject&sortbydir=asc';
        break;
    }
    return url+add;
}