/*************************/
/* Scripts personnalisés */
/*************************/

function VerifyBrowser(){ 
  this.ver = navigator.appVersion;
  this.dom = document.getElementById?1:0;
  this.ie6 = (this.ver.indexOf("MSIE 6")>-1 && this.dom)?1:0;
  this.ie5 = (this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
  this.ie4 = (document.all && !this.dom)?1:0;
  this.ns5 = (this.dom && (parseInt(this.ver)>= 5))?1:0;
  this.ns4 = (document.layers && !this.dom)?1:0;
  this.bw  = (this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns5);
  return this;
}

bw = new VerifyBrowser();
var speed = 50;
var loop, timer;

function ConstructObject(obj,nest){
  nest=(!nest)? '':'document.'+nest+'.';
  this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;
  this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0;
  this.scrollWidth=bw.ns4?this.css.document.width:this.el.offsetWidth;
  this.clipWidth=bw.ns4?this.css.clip.width:this.el.offsetWidth;
  this.left=MoveAreaLeft;
  this.right=MoveAreaRight;
  this.MoveArea=MoveArea;
  this.x;
  this.y;
  this.obj=obj+"Object";
  eval(this.obj+"=this");
  return this;
}

function MoveArea(x,y){
  this.x=x;
  this.y=y;
  this.css.left=this.x;
  this.css.top=this.y;
}
 
function MoveAreaRight(move){
  if(this.x>-this.scrollWidth+objContainer.clipWidth){
    this.MoveArea(this.x+move,0);
    if(loop) setTimeout(this.obj+".right("+move+")",speed);
  }
}

function MoveAreaLeft(move){
  if(this.x<0){
    this.MoveArea(this.x+move,0);
    if(loop) setTimeout(this.obj+".left("+move+")",speed);
  }
}


function StartScroll(speed){
  if(initialised){
    loop=true;
    if(speed>0) objScroller.left(speed);
    else objScroller.right(speed);
  }

}

function StopScroll(){
  loop=false;
  if(timer) clearTimeout(timer);
}

var initialised;

function InitScrollableArea(){
  objContainer = new ConstructObject('divContainer');
  objScroller  = new ConstructObject('divContent','divContainer');
  objScroller.MoveArea(0,0);
  objContainer.css.visibility = 'visible';
  initialised = true;
}