// JavaScript Document

var getPos = function (elem) {
    var pos={'r':0,'l':0,'t':0,'b':0};
    var tmp=elem;
    
    // on procède de parent en parent car IE fonctionne comme ça
    // (les autres donnent directement la position par rapport à la page)
    
    do {
        pos.l += tmp.offsetLeft;
        tmp = tmp.offsetParent;
    } while( tmp !== null );
    pos.r = pos.l + elem.offsetWidth;
    
    tmp=elem;
    do {
        pos.t += tmp.offsetTop;
        tmp = tmp.offsetParent;
    } while( tmp !== null );
    pos.b = pos.t + elem.offsetHeight;
    
    return pos;
};

function GetScrollPage(){
  var Left;
  var Top;
  var DocRef;

  if( window.innerWidth){
    with( window){
      Left   = pageXOffset;
      Top    = pageYOffset;
    }
  }
  else{ // Cas Explorer a part
    if( document.documentElement && document.documentElement.clientWidth)
      DocRef = document.documentElement;
    else
      DocRef = document.body;

    with( DocRef){
      Left   = scrollLeft;
      Top    = scrollTop;
    }
  }
  return({top:Top, left:Left});
}
//-----------------------
function DIV_Scroll( id_){
  var Obj = document.getElementById( id_);
  this.Obj = Obj;
  if( Obj){
    Obj.style.position = "absolute"; // IMPERATIF
    //-- Recup position de depart
    var Pos   = ObjGetPosition( id_);
    this.PosX = Pos.left;
    this.PosY = Pos.top;
    this.DebX = this.PosX;
    this.DebY = this.PosY;
    this.NewX = 0;
    this.NewY = 0;
    this.Move = DIV_Deplace;
  }
}
//-----------------------
function DIV_InitScroll(){
  //-- Recup position Objet
  O_DivScroll  = new DIV_Scroll('DIV_MOVE');
  //-- Lance inspection si existe
  if( O_DivScroll.Obj)
    IdTimer_2 = setInterval('DIV_CheckScroll()',100);
}
//-----------------------
function Add_Event( obj_, event_, func_, mode_){
  if( obj_.addEventListener)
    obj_.addEventListener( event_, func_, mode_? mode_:false);
  else
    obj_.attachEvent( 'on'+event_, func_);
}
//========================================
Add_Event( window, 'load', DIV_InitScroll);