<!--
/* 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;
  }
 
function MoveObjectUp(mystep)
 {
  this.Y -= mystep;
  this.CSS.top=this.Y;
  }
 
function MoveObjectDown(mystep)
 {
  this.Y += mystep;
  this.CSS.top=this.Y;
  }
 
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;
//-->