
function getXmlHttpRequestObject()
{
	if (window.XMLHttpRequest) 
	{
		return new XMLHttpRequest();
	} else if(window.ActiveXObject)
	{
		return new ActiveXObject("Microsoft.XMLHTTP");
	} else 
	{
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest... utiliser FireFox ou IE"); 
		return null;
	}
	
}

function pausescroller(content, divId, divClass, delay){
this.content=content 
this.tickerid=divId 
this.delay=delay 
this.mouseoverBol=0 
this.hiddendivpointer=1 

document.write('<div id="'+divId+'" class="'+divClass+'" style="position: relative; overflow: hidden"><div class="innerDiv" style="position: absolute; top : 1px ;  left : 0px;  width: 150px; height: 130px;" id="'+divId+'1">'+content[0]+'</div><div class="innerDiv" style="position: absolute; top : 1px ; left : 0px; width: 150px; height: 130px; visibility: hidden" id="'+divId+'2">'+content[1]+'</div></div>')
var scrollerinstance=this
if (window.addEventListener) 
window.addEventListener("load", function(){scrollerinstance.initialize()}, false)
else if (window.attachEvent) 
window.attachEvent("onload", function(){scrollerinstance.initialize()})
else if (document.getElementById) 
setTimeout(function(){scrollerinstance.initialize()}, 500)
}
pausescroller.prototype.initialize=function(){
this.tickerdiv=document.getElementById(this.tickerid)
this.visiblediv=document.getElementById(this.tickerid+"1")
this.hiddendiv=document.getElementById(this.tickerid+"2")
this.visibledivtop=parseInt(pausescroller.getCSSpadding(this.tickerdiv))
this.visiblediv.style.width=this.hiddendiv.style.width=this.tickerdiv.offsetWidth-(this.visibledivtop*2)+"px"
this.getinline(this.visiblediv, this.hiddendiv)
this.hiddendiv.style.visibility="visible"
var scrollerinstance=this
document.getElementById(this.tickerid).onmouseover=function(){scrollerinstance.mouseoverBol=1}
document.getElementById(this.tickerid).onmouseout=function(){scrollerinstance.mouseoverBol=0}
if (window.attachEvent) 
window.attachEvent("onunload", function(){scrollerinstance.tickerdiv.onmouseover=scrollerinstance.tickerdiv.onmouseout=null})
setTimeout(function(){scrollerinstance.animateup()}, this.delay)
}

pausescroller.prototype.animateup=function(){
var scrollerinstance=this
if (parseInt(this.hiddendiv.style.top)>(this.visibledivtop+5)){
this.visiblediv.style.top=parseInt(this.visiblediv.style.top)-5+"px"
this.hiddendiv.style.top=parseInt(this.hiddendiv.style.top)-5+"px"
setTimeout(function(){scrollerinstance.animateup()}, 50)
}
else{
this.getinline(this.hiddendiv, this.visiblediv)
this.swapdivs()
setTimeout(function(){scrollerinstance.setmessage()}, this.delay)
}
}
pausescroller.prototype.swapdivs=function(){
var tempcontainer=this.visiblediv
this.visiblediv=this.hiddendiv
this.hiddendiv=tempcontainer
}

pausescroller.prototype.getinline=function(div1, div2){
div1.style.top=this.visibledivtop+"px"
div2.style.top=Math.max(div1.parentNode.offsetHeight, div1.offsetHeight)+"px"
}

pausescroller.prototype.setmessage=function(){
var scrollerinstance=this
if (this.mouseoverBol==1) 
setTimeout(function(){scrollerinstance.setmessage()}, 100)
else{
var i=this.hiddendivpointer
var ceiling=this.content.length
this.hiddendivpointer=(i+1>ceiling-1)? 0 : i+1
this.hiddendiv.innerHTML=this.content[this.hiddendivpointer]
this.animateup()
}
}

pausescroller.getCSSpadding=function(tickerobj){ 
if (tickerobj.currentStyle)
return tickerobj.currentStyle["paddingTop"]
else if (window.getComputedStyle)
return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-top")
else
return 0
}

var loop = true;
var n = 0;  
var limit_sql = 0;
var limit_deplacement=908; 
var taille_div_defilement=172;
function verScroll(dir, spd) 
{
	if (loop == true) 
	{
		var scrolltimer = null;
		
		var page ;
		var page2;
		if (document.layers) 
		{
			page = eval(document.elementPhoto);
			page2 = eval(document.elementPhoto2);
		}
		else 
		{
			if (document.getElementById) 
			{
				page= eval("document.getElementById('elementPhoto').style");
				page2= eval("document.getElementById('elementPhoto2').style");
			}
			else 
			{
				if (document.all) 
				{
					page = eval(document.all.elementPhoto.style);
					page2 =  eval(document.all.elementPhoto2.style);
				}
			}
		}
		
	
		var direction = dir;
		var speed = parseInt(spd);
		var y_pos = parseInt(page.left);
		var y_pos2 = parseInt(page2.left);
		
		
		if (direction == "dn") 
		{
			if(y_pos<-limit_deplacement || y_pos2<-limit_deplacement  )
			{
				page.left = (y_pos - (speed));	
				page2.left = (y_pos2 - (speed));	
			}
			if(y_pos>= -limit_deplacement )
			{
				page.left = (y_pos - (speed));	
			}
			else
			if(y_pos2>= -limit_deplacement )
			{
				page2.left = (y_pos2 - (speed));	
			}
		} 
	 	
		if(y_pos== -limit_deplacement)
		{
			page2.left=taille_div_defilement;
			limit_sql+=1;
			var idDiv = 'elementPhoto2'; 
			var fichierACharger = 'defilement_accueil.php?limit='+limit_sql;
			var xhr=getXmlHttpRequestObject();
			var news = document.getElementById(idDiv);
			xhr.open("GET", fichierACharger,true);
			xhr.onreadystatechange = function() 
			{
				if (xhr.readyState == 4 && xhr.status == 200) 
				{
					if(xhr.responseText==0) 
					{
						limit_sql=0;
						page2.left=-limit_deplacement;
					}
					else
					{
					news.innerHTML = xhr.responseText;
					}
					
				}
				loop = true;
			}
			xhr.send(null);
		}
		if(y_pos2== -limit_deplacement)
		{
			page.left=taille_div_defilement;
			limit_sql+=1;
			var idDiv = 'elementPhoto'; 
			var fichierACharger = 'defilement_accueil.php?limit='+limit_sql;
			var xhr=getXmlHttpRequestObject();
			var news = document.getElementById(idDiv);
			xhr.open("GET", fichierACharger,true);
			xhr.onreadystatechange = function() 
			{
				if (xhr.readyState == 4 && xhr.status == 200) 
				{
					if(xhr.responseText==0) 
					{
						limit_sql=0;
						page.left=-limit_deplacement;
					}
					else
					{
					news.innerHTML = xhr.responseText;
					}
					
				}
				loop = true;
			}
			xhr.send(null);
		}
		scrolltimer = setTimeout("verScroll('"+direction+"','"+speed+"')", 10);
	}
}
function stopScroll() 
{
	loop = false;
	clearTimeout(scrolltimer);
}

