var cloud_pos = 800;
var cloud_speed = 8;
var cloud_timer = null;

function init() {
    var links = document.getElementById('links');
    var imgs = links.getElementsByTagName('IMG');
    for (var i = 0; i < imgs.length; i++) {
        addEvent(imgs[i], 'mouseover', function(e) {return iconSize(this, true);});
        addEvent(imgs[i], 'mouseout', function(e) {return iconSize(this, false);});
    }

    var items = getElementsByClassName('usekey', 'A', document);
    for (i = 0; i < items.length; i++) {
        addEvent(items[i], 'click', function() {return tryToUseKey(this);});
    }

    var home = document.getElementById('homepage');
    addEvent(home, 'click', function(e) {return setHomepage();});

    var query = document.getElementById('q');
    query.focus();

    setTimeout(loadBookmarks, 500);

    var cloud = document.getElementById('cloud');
    if (cloud) {
        cloud_timer = setInterval(moveCloud, 50);
    }
}

function moveCloud() {
    var cloud = document.getElementById('cloud');
    cloud.style.top = cloud_pos + 'px';
    cloud_pos -= cloud_speed;
    if (cloud_pos <= 0) {
        clearInterval(cloud_timer);
    }
}

function loadBookmarks() {
    xmlhttpPost('/action/a_gen_bookmarks/', '', showBookmarks);
}

function showBookmarks(resp) {
    var ph = document.getElementById('bkm-placeholder');
    ph.innerHTML = resp;
    ajaxize(ph);
    var menu = document.getElementById('dhtmlgoodies_menu');
    resetDhtmlGoodiesMenu(menu);
}

function iconSize(item, big) {
    var div = findParent(item, 'DIV');
    if (big) {
        item.className = addClass(item.className, 'bigger');
        div.className = addClass(div.className, 'div-bigger');
    } else {
        item.className = removeClass(item.className, 'bigger');
        div.className = removeClass(div.className, 'div-bigger');
    }
}

function setHomepage()
{
    if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage('http://siguebuscando.es/');
        return false;
    }
    else if (window.sidebar)
    {
        if (window.netscape)
        {
            try
            {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            }
            catch(e)
            {
                return true;
            }
        } else {
            var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
            prefs.setCharPref('browser.startup.homepage','http://siguebuscando.es/');
            return false;
        }
    }

    return true;
}

function tryToUseKey(item) {
    var div = findParent(item, 'DIV');
    var childs = getElementsByClassName('container', 'FORM', div);
    var form = childs[0];

    var user = form.elements["web-user"].value;

    if (user == '') {
        return openLink(item);
    } else {
        return openExternalWeb(item, form);
    }
}

function openExternalWeb(item, form) {
    var user = form.elements["web-user"].value;
    var pwd = form.elements["web-pwd"].value;
    var url = form.elements["login-url"].value;
    var params = form.elements["login-params"].value;

    params = params.replace('%user%', encodeURIComponent(user));
    params = params.replace('%pwd%', encodeURIComponent(pwd));

    params = encode64(params);
    var my_params = "?url=" + encodeURIComponent(url) + "&params=" + encodeURIComponent(params);
    var link = item.href;
    var pos = link.indexOf('x.js');
    item.href = link.substring(0, pos+4) + my_params + link.substring(pos+4, link.length);

    return openLink(item);
}

addLoadEvent(init);