// script déroulant home
function verifyCompatibleBrowser(){ 
	this.ver=navigator.appVersion 
	this.dom=document.getElementById?1:0 
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
	this.ie4=(document.all && !this.dom)?1:0; 
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0; 
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
	return this 
} 
bw=new verifyCompatibleBrowser()
correction=303;
lstart=20 
loop=true  
speed=50
pr_step=1
first_start=true
last_start=true

function ConstructObject(obj,nest){ 
    nest=(!nest) ? '':'document.'+nest+'.' 
	this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; 
  	this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
	this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight 
	this.newsScroll=newsScroll; 
	this.moveIt=b_moveIt; this.x; this.y; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 
function b_moveIt(x,y){ 
	this.x=x;this.y=y 
	this.css.left=this.x 
	this.css.top=this.y 
} 
//Makes the object scroll up 
function newsScroll(speed){ 
	if( this.y > -this.scrollHeight+correction){ 
		this.moveIt(0,this.y-pr_step) 
		setTimeout(this.obj+".newsScroll("+speed+")",speed) 
	}else if(loop) {
		this.moveIt(0,0)
		if (last_start){
			last_start=false
			correction=correction+lstart-9
		}
		setTimeout(this.obj+".newsScroll("+speed+")",speed) 
	  } 
}
function InitialiseAutoScrollArea(){ 
	objContent=new ConstructObject('defile') 
	objContent.moveIt(0,lstart) 
	objContent.newsScroll(speed) 
}
