/*****

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","xfade2.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	d.getElementsByTagName("head")[0].appendChild(css);

	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;
	imgstr=imgs[0].id;
	imgstr=imgstr.replace('img','');
    document.getElementById("greyscreencaption").innerHTML=document.getElementById("title_"+imgstr).value;
    document.getElementById("bottomcaption").innerHTML=document.getElementById("titlesub_"+imgstr).value;
if (pause==false) {
	setTimeout(so_xfade,4000);
	}
}

function so_xfade() {

  
	cOpacity = imgs[current].xOpacity;
	

	nIndex = imgs[current+1]?current+1:0;


	if (cOpacity=='0.99') {
	    
	   
	    	
		  imgstr=imgs[nIndex].id;
		 
        imgstr=imgstr.replace('img','');
        document.getElementById("greyscreencaption").innerHTML=document.getElementById("title_"+imgstr).value;
        document.getElementById("bottomcaption").innerHTML=document.getElementById("titlesub_"+imgstr).value;
	
	}
	

	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;
	
	
		if (pause==false) {
		setTimeout(so_xfade,4000);
		}
	} else {
	    if (pause==false) {
		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) + ")";
	}
	


function setnextpic() {
   
   scurrent=current
   
   if (current==imgs.length-1) {
    
        current=0
    
   } else {
        
        current=current+1
        
   }
   
   
    imgs[current].style.display = "block";
    imgs[current].xOpacity =.99;
    imgs[scurrent].style.display = "none";
    imgs[scurrent].xOpacity =0;

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


    imgstr=imgs[current].id;
    imgstr=imgstr.replace('img','');
    document.getElementById("greyscreencaption").innerHTML=document.getElementById("title_"+imgstr).value;
    document.getElementById("bottomcaption").innerHTML=document.getElementById("titlesub_"+imgstr).value;


}