/*
 * +---------------------------------------------------------------------+
 * | KINOBSERVER.COM                                                     |
 * +---------------------------------------------------------------------+
 * | kino.js                                                             |
 * | Javascript functions                                                |
 * |                                                                     |
 * | Dtek Digital Media, dtek.net                                        |
 * | 2010.02.27                                                          |
 * |                                                                     |
 * +---------------------------------------------------------------------+
 */

//
// Accessible Pop-up Links by Caio Chassot
// http://www.alistapart.com/articles/popuplinks
//

var _POPUP_FEATURES = 'location=0,statusbar=0,menubar=0';

function raw_popup(url, target, features) {
    // pops up a window containing url optionally named target, optionally having features
    if (isUndefined(features)) features = _POPUP_FEATURES;
    if (isUndefined(target  )) target   = '_blank';
    var theWindow = window.open(url, target, features);
    theWindow.focus();
    return theWindow;
}

function link_popup(src, features) {
    // to be used in an html event handler as in: <a href="..." onclick="link_popup(this,...)" ...
    // pops up a window grabbing the url from the event source's href
    return raw_popup(src.getAttribute('href'), src.getAttribute('target') || '_blank', features);
}

function event_popup(e) {
    // to be passed as an event listener
    // pops up a window grabbing the url from the event source's href
    link_popup(e.currentTarget);
    e.preventDefault();
}

function event_popup_features(features) {
    // generates an event listener similar to event_popup, but allowing window features
    return function(e) { link_popup(e.currentTarget, features); e.preventDefault() }
}

function isUndefined(v) {
    var undef;
    return v===undef;
}