/*
	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',so_init,false):window.attachEvent('onload',so_init);

var d = document, imgs = new Array(), imgs2 = new Array(), imgs3 = new Array(), imgs4 = new Array(), imgs5 = new Array();
var zInterval = null, current = 0, current2 = 0, current3 = 0, current4 = 0, current5 = 0, pause = false;

function so_init()
{
	if(!d.getElementById || !d.createElement)return;

	css = d.createElement('link');
	css.setAttribute('href','slideshow2.css');
	css.setAttribute('rel','stylesheet');
	css.setAttribute('type','text/css');
	d.getElementsByTagName('head')[0].appendChild(css);

	if (d.getElementById('rotator') != null) {
	    imgs = d.getElementById('rotator').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, 3000);
	}
	if (d.getElementById('rotator2') != null) {
        imgs2 = d.getElementById('rotator2').getElementsByTagName('img');
        if (imgs2.length > 1) {
            for (i = 1; i < imgs2.length; i++) imgs2[i].xOpacity = 0;
	        imgs2[0].style.display = 'block';
	        imgs2[0].xOpacity = .99;
	        setTimeout(so_xfade2, 3000)
	    }
	}
	if (d.getElementById('rotator3') != null) {
        imgs3 = d.getElementById('rotator3').getElementsByTagName('img');
        if (imgs3.length > 2) {
            for (i = 1; i < imgs3.length; i++) imgs3[i].xOpacity = 0;
	        imgs3[0].style.display = 'block';
	        imgs3[0].xOpacity = .99;
	        setTimeout(so_xfade3, 3000);
	    }
	}
	if (d.getElementById('rotator4') != null) {
	    imgs4 = d.getElementById('rotator4').getElementsByTagName('img');
	    if (imgs4.length > 0) {
	        for (i = 1; i < imgs4.length; i++) imgs4[i].xOpacity = 0;
	        imgs4[0].style.display = 'block';
	        imgs4[0].xOpacity = .99;
	        setTimeout(so_xfade4, 3000);
	    }
	}
	if (d.getElementById('rotator5') != null) {
	    imgs5 = d.getElementById('rotator5').getElementsByTagName('img');
	    if (imgs5.length > 1) {
	        for (i = 1; i < imgs5.length; i++) imgs5[i].xOpacity = 0;
	        imgs5[0].style.display = 'block';
	        imgs5[0].xOpacity = .99;
	        setTimeout(so_xfade5, 3000);
	    }
	}
}

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,10000);
	}
	else
	{
		setTimeout(so_xfade,50);
	}
}

function so_xfade2() {
    cOpacity = imgs2[current2].xOpacity;
    nIndex = imgs2[current2 + 1] ? current2 + 1 : 0;
    nOpacity = imgs2[nIndex].xOpacity;

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

    imgs2[nIndex].style.display = 'block';
    imgs2[current2].xOpacity = cOpacity;
    imgs2[nIndex].xOpacity = nOpacity;

    setOpacity(imgs2[current2]);
    setOpacity(imgs2[nIndex]);

    if (cOpacity <= 0) {
        imgs2[current2].style.display = 'none';
        current2 = nIndex;
        setTimeout(so_xfade2, 10000);
    }
    else {
        setTimeout(so_xfade2, 50);
    }
}

function so_xfade3() {
    cOpacity = imgs3[current3].xOpacity;
    nIndex = imgs3[current3 + 1] ? current3 + 1 : 0;
    nOpacity = imgs3[nIndex].xOpacity;

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

    imgs3[nIndex].style.display = 'block';
    imgs3[current3].xOpacity = cOpacity;
    imgs3[nIndex].xOpacity = nOpacity;

    setOpacity(imgs3[current3]);
    setOpacity(imgs3[nIndex]);

    if (cOpacity <= 0) {
        imgs3[current3].style.display = 'none';
        current3 = nIndex;
        setTimeout(so_xfade3, 10000);
    }
    else {
        setTimeout(so_xfade3, 50);
    }
}

function so_xfade4() {
    cOpacity = imgs4[current4].xOpacity;
    nIndex = imgs4[current4 + 1] ? current4 + 1 : 0;
    nOpacity = imgs4[nIndex].xOpacity;

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

    imgs4[nIndex].style.display = 'block';
    imgs4[current4].xOpacity = cOpacity;
    imgs4[nIndex].xOpacity = nOpacity;

    setOpacity(imgs4[current4]);
    setOpacity(imgs4[nIndex]);

    if (cOpacity <= 0) {
        imgs4[current4].style.display = 'none';
        current4 = nIndex;
        setTimeout(so_xfade4, 10000);
    }
    else {
        setTimeout(so_xfade4, 50);
    }
}

function so_xfade5() {
    cOpacity = imgs5[current5].xOpacity;
    nIndex = imgs5[current5 + 1] ? current5 + 1 : 0;
    nOpacity = imgs5[nIndex].xOpacity;

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

    imgs5[nIndex].style.display = 'block';
    imgs5[current5].xOpacity = cOpacity;
    imgs5[nIndex].xOpacity = nOpacity;

    setOpacity(imgs5[current5]);
    setOpacity(imgs5[nIndex]);

    if (cOpacity <= 0) {
        imgs5[current5].style.display = 'none';
        current5 = nIndex;
        setTimeout(so_xfade5, 10000);
    }
    else {
        setTimeout(so_xfade5, 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) + ')';
}