// Fonctions javascript utiliser pour l'affichage du fadeshow des images du bandeau

var fadebgcolor="white";
////NO need to edit beyond here/////////////
var fadearray=new Array();//array to cache fadeshow instances
var fadeclear=new Array();//array to cache corresponding clearinterval pointers
var dom=(document.getElementById);//modern dom browsers
var iebrowser=document.all;
 
function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){
	this.pausecheck=pause;
  this.mouseovercheck=0;
  this.delay=delay;
	this.degree=10;//initial opacity degree (10%)
	this.curimageindex=0;
  this.nextimageindex=1;
  fadearray[fadearray.length]=this;
  this.slideshowid=fadearray.length-1;
  this.canvasbase="canvas"+this.slideshowid;
  this.curcanvas=this.canvasbase+"_0";
	if (typeof displayorder!="undefined")
	theimages.sort(function(){return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
	this.theimages=theimages
	this.imageborder=parseInt(borderwidth)
	this.postimages=new Array() //preload images
	for (p=0;p<theimages.length;p++){
    this.postimages[p]=new Image();
    this.postimages[p].src=theimages[p][0];
  }
  
	var fadewidth=fadewidth+this.imageborder*2;
  var fadeheight=fadeheight+this.imageborder*2;
  
	if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox)
	document.write('<div id="master'+this.slideshowid+'" style="width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div></div>')
	else
	document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')
	
	if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox
	this.startit();
	else{
  this.curimageindex++;
  setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay);}
}

function fadepic(obj){
	if(obj.degree<100){
		obj.degree+=10
		if(obj.tempobj.filters&&obj.tempobj.filters[0]){
			if(typeof obj.tempobj.filters[0].opacity=="number") //if IE6+
				obj.tempobj.filters[0].opacity=obj.degree
			else //else if IE5.5-
				obj.tempobj.style.filter="alpha(opacity="+obj.degree+")"
			}
		else if(obj.tempobj.style.MozOpacity)
			obj.tempobj.style.MozOpacity=obj.degree/101
		else if(obj.tempobj.style.KhtmlOpacity)
			obj.tempobj.style.KhtmlOpacity=obj.degree/100
		else if(obj.tempobj.style.opacity&&!obj.tempobj.filters)
			obj.tempobj.style.opacity=obj.degree/101
	}
	else{
		clearInterval(fadeclear[obj.slideshowid])
		obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0":obj.canvasbase+"_1"
		obj.tempobj=iebrowser? iebrowser[obj.nextcanvas]:document.getElementById(obj.nextcanvas)
		obj.populateslide(obj.tempobj, obj.nextimageindex)
		obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1:0
		setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay)
	}
}

fadeshow.prototype.populateslide=function(picobj, picindex){
	var slideHTML=""
	if(this.theimages[picindex][1]!="") //if associated link exists for image
	slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'
	slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'
	if(this.theimages[picindex][1]!="") //if associated link exists for image
	slideHTML+='</a>'
	picobj.innerHTML=slideHTML
}

fadeshow.prototype.rotateimage=function(){
if(this.pausecheck==1) //if pause onMouseover enabled, cache object
var cacheobj=this
if(this.mouseovercheck==1)
setTimeout(function(){cacheobj.rotateimage()}, 100)
else if(iebrowser&&dom||dom){
this.resetit()
var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas]:document.getElementById(this.curcanvas)
crossobj.style.zIndex++
fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50)
this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1":this.canvasbase+"_0"
}
else{
var ns4imgobj=document.images['defaultslide'+this.slideshowid]
ns4imgobj.src=this.postimages[this.curimageindex].src
}
this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1:0
}
fadeshow.prototype.resetit=function(){
this.degree=10
var crossobj=iebrowser? iebrowser[this.curcanvas]:document.getElementById(this.curcanvas)
if(crossobj.filters&&crossobj.filters[0]){
if(typeof crossobj.filters[0].opacity=="number") //if IE6+
crossobj.filters(0).opacity=this.degree
else //else if IE5.5-
crossobj.style.filter="alpha(opacity="+this.degree+")"
}
else if(crossobj.style.MozOpacity)
crossobj.style.MozOpacity=this.degree/101
else if(crossobj.style.KhtmlOpacity)
crossobj.style.KhtmlOpacity=this.degree/100
else if(crossobj.style.opacity&&!crossobj.filters)
crossobj.style.opacity=this.degree/101
}

fadeshow.prototype.startit=function(){
	var crossobj=iebrowser? iebrowser[this.curcanvas]:document.getElementById(this.curcanvas)
	this.populateslide(crossobj, this.curimageindex)
	if(this.pausecheck==1){ //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
		var cacheobj=this
		var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid]:document.getElementById("master"+this.slideshowid)
		crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}
		crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}
	}
	this.rotateimage();
}
