/*------------------------------------------------------------------------
# JA Wistery for Joomla 1.5 - Version 1.4 - Licence Owner JA144466
# ------------------------------------------------------------------------
# Copyright (C) 2004-2008 J.O.O.M Solutions Co., Ltd. All Rights Reserved.
# @license - Copyrighted Commercial Software
# Author: J.O.O.M Solutions Co., Ltd
# Websites:  http://www.joomlart.com -  http://www.joomlancers.com
# This file may not be redistributed in whole or significant part.
-------------------------------------------------------------------------*/

window.addEventListener?window.addEventListener('load',so_init,false):window.attachEvent('onload',so_init);

var d=document, imgs = new Array(), zInterval = null, current=0, pause=false;
var fadetime = 3000;
function so_init()
{
	if(!d.getElementById || !d.createElement)return;

	imgs = d.getElementById('ja_header_jsfade').getElementsByTagName('img');
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = 'block';
	imgs[0].xOpacity = .99;

	setTimeout(so_xfade,fadetime);
}

function so_xfade()
{
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;

	cOpacity-=.05;
	nOpacity+=.05;

	imgs[nIndex].style.display = 'block';
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;

	setOpacity(imgs[current]);
	setOpacity(imgs[nIndex]);

	if(cOpacity<=0)
	{
		imgs[current].style.display = 'none';
		current = nIndex;
		setTimeout(so_xfade,fadetime);
	}
	else
	{
		setTimeout(so_xfade,50);
	}

	function setOpacity(obj)
	{
		if(obj.xOpacity>.99)
		{
			obj.xOpacity = .99;
			return;
		}

		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = 'alpha(opacity=' + (obj.xOpacity*100) + ')';
	}
}