<!--
/* Copyright 2001 : Atout Développement */
/* Auteur : Yvan Vanwynsberghe		    */
var ns4 = (document.layers)? true:false; //NS 4 
var ie4 = (document.all)? true:false; //IE 4 
var dom = (document.getElementById)? true:false; //DOM

function GetNS4Object(MyID,MyDocument) {
	var MyObject= eval('MyDocument.'+MyID);
  	if (!(MyObject))
		for(var i=0;i<MyDocument.layers.length;i++) {
			MyObject = GetNS4Object(MyID,MyDocument.layers[i].document);
			if (MyObject) break;
		}
	return MyObject;
}


function GetObject(MyID) {
	if (dom) return document.getElementById(MyID);
	if (ie4) return document.all[MyID];
	if (ns4) return GetNS4Object(MyID,window.document);
	return 0;
}

function GetCSS(MyObject) {
  if (dom || ie4) return MyObject.style;
  else if (ns4) return MyObject;
  else return 0;
}

function GetHeight(MyObject)
{ 
  if (dom || ie4) return MyObject.offsetHeight;
  else if (ns4) return MyObject.clip.height;
  else return 0;
}
	
function GetWidth(MyObject)
{ 
  if (dom || ie4) return MyObject.offsetWidth;
  else if (ns4) return MyObject.clip.width;
  else return 0;
}

function GetTop(MyObject)
{ 
  if (dom || ie4) 
	return (MyObject.offsetTop);
  if (ns4) return MyObject.y;
	return 0;
}

function GetLeft(MyObject)
{ 
  if (dom || ie4) return MyObject.offsetLeft;
  if (ns4) return MyObject.x;
  return 0;
}

function MoveObject(myX,myY) {
  this.X = myX;
  this.Y = myY;
//  this.CSS.left=this.X;
//  this.CSS.top=this.Y;
  this.CSS.left = this.X+"px";
  this.CSS.top = this.Y+"px";
}

function MoveObjectUp(mystep) {
  this.Y -= mystep;
  this.CSS.top=this.Y+"px";
}

function MoveObjectDown(mystep) {
  this.Y += mystep;
  this.CSS.top=this.Y+"px";
}

function CreateObject(DivId,MyObject) {
	if (MyObject)
		this.Object = MyObject;
	else
		this.Object = GetObject(DivId);
		
	if (this.Object) {
	  this.CSS = GetCSS(this.Object);
	  this.Height = GetHeight(this.Object);
	  this.Width = GetWidth(this.Object);
	  this.X = GetTop(this.Object);
	  this.Y = GetLeft(this.Object);
	  this.Move = MoveObject;
	  this.Up = MoveObjectUp;
	  this.Down = MoveObjectDown;
	}
	return this;
}

function DelTextNode(MyObject) {
	var node = MyObject.firstChild;
	var next;

	while (node) {
		next = node.nextSibling;
		if (node.nodeType == 3)
			MyObject.removeChild(node);
		node = next;
	}
}

function CreateChildren(MyObject,HoriSpacer,VertSpacer) {
	var i=0;
	var MyChildren = new Array();
	if (dom) {
		DelTextNode(MyObject);
		for (i=0;i<MyObject.childNodes.length;i++) {
			MyChildren[i] = new CreateObject(0,MyObject.childNodes[i]);
			MyChildren[i].Move(i*HoriSpacer,i*VertSpacer);
		}
		return MyChildren;
	}
	if (ie4) {
		for (i=0;i<MyObject.children.length;i++) {
			MyChildren[i] = new CreateObject(0,MyObject.children(i));
			MyChildren[i].Move(i*HoriSpacer,i*VertSpacer);
		}
		return MyChildren;
	}
	if (ns4) {
		for (i=0;i<MyObject.document.layers.length;i++) {
			MyChildren[i] = new CreateObject(0,MyObject.layers[i]);
			MyChildren[i].Move(i*HoriSpacer,i*VertSpacer);
		}
		return MyChildren;   
	}
	return false; 
}

function ScrollUp() {
	var MyInterval = this.Interval1;
	this.stop();
	if (this.Children[this.FirstChildren].Y<-this.threshold) {
		MyInterval = this.Interval2;
		this.Children[this.FirstChildren].Down(this.TotalHeight);
		if (this.FirstChildren<this.Children.length-1) {
			this.FirstChildren++;
			this.threshold += this.Children[this.FirstChildren].Height;
		} else {
			this.FirstChildren = 0;
			this.threshold = this.Children[this.FirstChildren].Height+this.Spacer;
		}
	}
	for (var i=0;i<this.Children.length;i++) {
		this.Children[i].Up(this.Step);
	}
	this.ProcessId = setTimeout(this.name + '.start()', MyInterval);
}

  
function ScrollStop() {
	if (this.ProcessId)
		clearTimeout(this.ProcessId);
	this.ProcessId = null;
}

function Box(BoxName, DivId, myStep, myTempo1, myTempo2, mySpacer) {
	this.name     = BoxName;
	this.Step  = myStep ? myStep : 1;
	this.Interval1 = myTempo1 ? myTempo1 : 100;
	this.Interval2 = myTempo2 ? myTempo2 : 100;
	this.Spacer = mySpacer ? mySpacer : 0;
	this.ProcessId	= null;
	this.Container = new CreateObject(DivId);
	this.Children = new CreateChildren(this.Container.Object,0,mySpacer);
	this.FirstChildren = 0;
	this.LastChildren = this.Children.length-1;
	this.threshold = this.Children[0].Height+this.Spacer;
	var myHeight = 0;
	for (var i=0;i<this.Children.length;i++)  {
		myHeight += (this.Children[i].Height + this.Spacer);
	}
	this.TotalHeight = myHeight;
	this.Container.visibility = 'visible';
}

Box.prototype.start = ScrollUp;
Box.prototype.stop = ScrollStop;


var MyBox = null;
	
function Init()
{
	document.getElementById("breves").style.height = "140px";
	document.getElementById("conteneur").style.height = "115px";
	MyBox = new Box('MyBox', 'conteneur', 1, 20, 7000, 62);
	MyBox.start();
}  
//-->