/*

Yetii - Yet (E)Another Tab Interface Implementation

http://www.kminek.pl/lab/yetii/

Copyright (c) 2007 Grzegorz Wojcik

Code licensed under the BSD License:

http://www.kminek.pl/bsdlicense.txt

*/

function Yetii() {

this.defaults = {

id: null,

active: 1,

timeout: null,

interval: null,

tabclass: 'tab',

activeclass: 'active'

};

for (var n in arguments[0]) { this.defaults[n]=arguments[0][n]; };

this.getTabs = function() {

var retnode = [];

var elem = document.getElementById(this.defaults.id).getElementsByTagName('*');

var regexp = new RegExp("(^|\\s)" + this.defaults.tabclass.replace(/\-/g, "\\-") + "(\\s|$)");

for (var i = 0; i < elem.length; i++) {

if (regexp.test(elem[i].className)) retnode.push(elem[i]);

}

return retnode;

};

this.links = document.getElementById(this.defaults.id + '-nav').getElementsByTagName('a');

this.show = function(number){

for (var i = 0; i < this.tabs.length; i++) {

this.tabs[i].style.display = ((i+1)==number) ? 'block' : 'none';

this.links[i].className = ((i+1)==number) ? this.defaults.activeclass : '';

}

};

this.rotate = function(interval){

this.show(this.defaults.active);

this.defaults.active++;

if(this.defaults.active > this.tabs.length) this.defaults.active = 1;

var self = this;

this.defaults.timeout = setTimeout(function(){self.rotate(interval);}, interval*1000);

};

this.tabs = this.getTabs();

this.show(this.defaults.active);

var self = this;

for (var i = 0; i < this.links.length; i++) {

this.links[i].customindex = i+1;

this.links[i].onclick = function(){

if (self.defaults.timeout)

clearTimeout(self.defaults.timeout);

self.show(this.customindex);

return false;

};

}

if (this.defaults.interval) this.rotate(this.defaults.interval);

};