// JavaScript Document
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(); 

var speed=50 ;
var loop, timer, timer1 ;
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.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight ;
    this.up=MoveAreaUp;this.down=MoveAreaDown; 
		this.scr=AutoScroll;
    this.MoveArea=MoveArea; this.x; this.y; 
    this.obj = obj + "Object" ;
    eval(this.obj + "=this") ;
    return this ;
} 
function MoveArea(x,y){ 
    this.x=x;this.y=y ;
    this.css.left=this.x ;
    this.css.top=this.y ;
} 
function AutoScroll(move){ 
  switch (loop) {
		case 1:
	  		this.css.visibility='hidden';
	  		this.MoveArea(0,0);
            loop = 2;		
    		timer1 = setTimeout(this.obj+".scr("+move+")",3000) ;
			break;
		case 2:
	    this.css.visibility='visible';
			loop = 3;
    		timer1 = setTimeout(this.obj+".scr("+move+")",3000) ;
			break;
		case 3:
			if(this.y>-this.scrollHeight){ 
		  	this.MoveArea(0,this.y-move) ;
    		timer1 = setTimeout(this.obj+".scr("+move+")",speed) ;
			} else {
				loop = 1;
    		timer1 = setTimeout(this.obj+".scr("+move+")",3000) ;
			} 
			break;
		default:
			break;
	}	
} 

function MoveAreaDown(move){ 
	if(this.y>-this.scrollHeight){ 
    this.MoveArea(0,this.y-move) ;
    if(loop) timer = setTimeout(this.obj+".down("+move+")",speed); 
	}
} 

function MoveAreaUp(move){ 
	if(this.y<0){ 
    this.MoveArea(0,this.y-move) ;
    if(loop) timer = setTimeout(this.obj+".up("+move+")",speed); 
	} 
} 
 
function PerformScroll(speed){ 
	if(initialised){ 
		loop=2; 
		if(timer) clearTimeout(timer) ;
		if(timer1) clearTimeout(timer1) ;
		if(speed>0) objScroller.down(speed) ;
		else objScroller.up(speed) ;
	} 
} 
function CeaseScroll(){ 
	loop=false ;
	if(timer) clearTimeout(timer); 
} 
var initialised; 
function InitialiseScrollableArea(){ 
    objContainer=new ConstructObject('scrollBox') ;
    objScroller=new ConstructObject('divContent','scrollBox') ;
    objScroller.MoveArea(0,0) ;
    objContainer.css.visibility='visible' ;
    initialised=true; 
	loop=1;
	objScroller.scr(1);
} 
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function preloadImages() {
	if (document.images) {
		id7 = newImage("../fonds/BoutonG_anim.gif");
		id2 = newImage("../fonds/BckGND22_anim.gif");
		id3 = newImage("../fonds/BckGND23_anim.gif");
		id4 = newImage("../fonds/BckGND24_anim.gif");
		id5 = newImage("../fonds/BckGND25_anim.gif");
		id6 = newImage("../fonds/BckGND26_anim.gif");
		id1 = newImage("../fonds/BckGND21_anim.gif");
	}
}