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<!--
/* 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 Init()
{
MyBox = new Box('MyBox', 'conteneur', 1, 100, 4000, 30);
MyBox.start();
}
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;
//--> |
