// IOTBS2.1 :: Invasion of the Body Switchers - Look Who's Switching Too
// >>> "The Director's Cut"
//      Generates the switching controls as definition-lists and links
// ***********************************************
// This copyright statement must remain in place for both personal and commercial use
// GNU General Public License -- http://www.gnu.org/copyleft/gpl.html
// ***********************************************
// Original concept by Andy Clarke -- http://www.stuffandnonsense.co.uk/
// DOM scripting by brothercake -- http://www.brothercake.com/
// Create element and attributes based on a method by beetle -- http://www.peterbailey.net/
//************************************************
function bodySwitcher(divid, label, isnative, selected){
      
    if(switcher.path != null && !switcher.isie && typeof isnative != 'undefined' && isnative == 'yes'){
        switcher.integrate(this, divid );
    }this.classes = [];
    if(document.getElementById(divid) == null) {
        alert("Containor element " + divid + " not found!");
        return false; 
    }
    this.labels = [];
    var attrs = { 'id' : 'select-' + divid };
    this.dl = document.getElementById(divid).appendChild(switcher.create('dl', attrs));
    attrs = { 'text' : label };
    this.dl.appendChild(switcher.create('dt', attrs));
    this.selected = typeof selected != 'undefined' ? selected : '';
    return true;
};

bodySwitcher.prototype.defineClass = function(key, val){
    this.classes[this.classes.length] = key;
    if(typeof this.dl == 'undefined') { 
        return false; 
    }
    var self = this;this.labels[this.labels.length] = val;
    var item = this.dl.appendChild(switcher.create('dd'));
    item.className = 'selected'+key;
    if(key == 'default'){
        var link = item.appendChild(document.createTextNode(val + this.selected));
    }else if(switcher.cookie != null && switcher.cookie.indexOf(' ' + key + ' ')!=-1){
        link = item.appendChild(document.createTextNode(val + this.selected));
        if(key != 'default'){
            var defitem = this.dl.childNodes[1];defitem.className = '';
            this.dl.childNodes[1].removeChild(defitem.firstChild);
            var attrs = { 'href' : 'javascript:void("' + this.classes[0] + '", "' + this.labels[0] + '")', 'text' : this.labels[0] };
            link = defitem.appendChild(switcher.create('a', attrs));
        }
    }else{
        item.className = ''+key;
        attrs = { 'href' : 'javascript:void("' + key + '", "' + val + '")', 'text' : val };
        link = item.appendChild(switcher.create('a', attrs));
    }
    item.onclick = function(){
        if(this.getElementsByTagName('a').length == 0) { 
            return false; 
        }
        var items = self.dl.getElementsByTagName('dd');
        var len = items.length;
        for(var i=0; i<len; i++){
            if(items[i] == this){
                var ind = i;
                break;
            }
        }
        switcher.save(self.dl.id.replace('select-', ''), self.classes[ind], ind, self );
        self.redraw(ind, this);
        return true;
    };
    return true;
};

bodySwitcher.prototype.redraw = function(ind, link){
    var items = this.dl.getElementsByTagName('dd');
    var len = items.length;
    for(var i=0; i<len; i++){
        if(items[i].firstChild.nodeName == '#text'){
            items[i].className = 'ov'+i;
            items[i].removeChild(items[i].firstChild);
            var attrs = { 'href' : 'javascript:void("' + this.classes[i] + '", "' + this.labels[i] + '")', 'text' : this.labels[i] };
            items[i].appendChild(switcher.create('a', attrs));
        }
    }
    items[(ind == len - 1 ? 0 : ind + 1)].firstChild.focus();
    link.removeChild(link.firstChild);
    link.appendChild(document.createTextNode(this.labels[ind] + this.selected));
    items[ind].className = 'selected'+ind;
};

bodySwitcher.prototype.update = function(ind){
    if(typeof this.dl != 'undefined'){
        this.redraw(ind, this.dl.getElementsByTagName('dd')[ind]);
    }
};