<!--
/* 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 + "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;   
    }
  }

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;
//-->