/*****

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);

//  imgs = Série Content 1
// imgs2 = Série Content 2
// imgs3 = Série Content 3
var d=document, imgs = new Array(), imgs2 = new Array(), imgs3 = new Array(), zInterval = null, current=0, current2=0, current3=0, pause=false;

function getRandomInt(min,max) {
	return(min>=max)?max:Math.floor(((max+1-min)*Math.random())+min);
}

// Durée de la pause avant lancement
var startTimer1 = getRandomInt(3000,10000);
var startTimer2 = getRandomInt(3000,10000);
var startTimer3 = getRandomInt(3000,10000);

// Durée de la pause entre chaque image
var pauseTimer1 = getRandomInt(1000,10000);
var pauseTimer2 = getRandomInt(1000,10000);
var pauseTimer3 = getRandomInt(1000,10000);


function so_init() {
	if(!d.getElementById || !d.createElement)return;
	
	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);
	
	
	//****Box4****
	imgs = d.getElementById("box4").getElementsByTagName("img");
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = "block";
	imgs[0].xOpacity = 1; //.99;
	
	setTimeout(so_xfade,startTimer1);
	//setTimeout(so_xfade,7000);
	
	
	//****Box6****
	imgs2 = d.getElementById("box6").getElementsByTagName("img");
	for(i=1;i<imgs2.length;i++) imgs2[i].xOpacity = 0;
	imgs2[0].style.display = "block";
	imgs2[0].xOpacity = .99;
	
	setTimeout(so_xfade2,startTimer2);
	//setTimeout(so_xfade2,7000);
	
	
	//****Box7****
	imgs3 = d.getElementById("box7").getElementsByTagName("img");
	for(i=1;i<imgs3.length;i++) imgs3[i].xOpacity = 0;
	imgs3[0].style.display = "block";
	imgs3[0].xOpacity = .99;
	
	setTimeout(so_xfade3,startTimer3);
	//setTimeout(so_xfade3,7000);
}

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,pauseTimer1);
		//setTimeout(so_xfade,1000);
	} 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) + ")";
	}
	
}


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,pauseTimer2);
		//setTimeout(so_xfade2,1000);
	} else {
		setTimeout(so_xfade2,50);
	}
	
	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 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,pauseTimer3);
		//setTimeout(so_xfade3,1000);
	} else {
		setTimeout(so_xfade3,50);
	}
	
	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) + ")";
	}
	
}