/*****

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

Please leave this notice intact. 

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(), zInterval = null, current=0, pause=false;

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

	// DON'T FORGET TO GRAB THIS FILE AND PLACE IT ON YOUR SERVER IN THE SAME DIRECTORY AS THE JAVASCRIPT!
	// http://slayeroffice.com/code/imageCrossFade/xfade2.css
	css = d.createElement("link");
	css.setAttribute("href","css/xfade2.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	d.getElementsByTagName("head")[0].appendChild(css);

    if (d.getElementById("imageContainer")) {
	    imgs = d.getElementById("imageContainer").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,2000);
    }
}

function so_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) + ")";
}

function so_xfade() {
    if (d.getElementById("imageContainer")) {
        cOpacity = imgs[current].xOpacity;
        nIndex = imgs[current+1]?current+1:0;

        nOpacity = imgs[nIndex].xOpacity;
        
        cOpacity-=.03; 
        nOpacity+=.03;
        
        imgs[nIndex].style.display = "block";
        imgs[current].xOpacity = cOpacity;
        imgs[nIndex].xOpacity = nOpacity;
        
        so_setOpacity(imgs[current]); 
        so_setOpacity(imgs[nIndex]);
        
        if(cOpacity<=0) {
            imgs[current].style.display = "none";
            current = nIndex;
            setTimeout(so_xfade,5000);
        } else {
            setTimeout(so_xfade,50);
        }
        
	}
}