/*
	Image Cross Fade Redux
	Version 1.0
	Last revision: 02.15.2006
	steve@slayeroffice.com

	Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html
*/
//window.addEventListener ? window.addEventListener('load', main_banner_init, false) : window.attachEvent('onload', main_banner_init);

var d = document, main_banner_imgs = new Array(), zInterval = null, main_banner_current = 0, pause = false;
function main_banner_init() {
	try {
		if (!d.getElementById || !d.createElement) return;
		css = d.createElement('link');
		css.setAttribute('href', './js_lib/main_banner_slideshow2.css');
		css.setAttribute('rel', 'stylesheet');
		css.setAttribute('type', 'text/css');
		d.getElementsByTagName('head')[0].appendChild(css);
		main_banner_imgs = d.getElementById('main_banner_slideshow').getElementsByTagName('img');
		for (i = 1; i < main_banner_imgs.length; i++) main_banner_imgs[i].xOpacity = 0;
		main_banner_imgs[0].style.display = 'block';
		main_banner_imgs[0].xOpacity = .99;
		setTimeout(main_banner_xfade, 3000);
	}
	catch (ex) {
		// skip
	}
}
function main_banner_xfade() {
	cOpacity = main_banner_imgs[main_banner_current].xOpacity;
	nIndex = main_banner_imgs[main_banner_current + 1] ? main_banner_current + 1 : 0;
	nOpacity = main_banner_imgs[nIndex].xOpacity;
	cOpacity -= .05;
	nOpacity += .05;
	main_banner_imgs[nIndex].style.display = 'block';
	main_banner_imgs[main_banner_current].xOpacity = cOpacity;
	main_banner_imgs[nIndex].xOpacity = nOpacity;
	setOpacity(main_banner_imgs[main_banner_current]);
	setOpacity(main_banner_imgs[nIndex]);
	if (cOpacity <= 0) {
		main_banner_imgs[main_banner_current].style.display = 'none';
		main_banner_current = nIndex;
		setTimeout(main_banner_xfade, 3000);
	}
	else {
		setTimeout(main_banner_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) + ')';
	}
}

main_banner_init();