/***********************************************
* Fading Scroller- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var delay = 4000; //set delay between message change (in miliseconds)
var maxsteps=30; // number of steps to take to change from start color to endcolor
var stepdelay=40; // time in miliseconds of a single step
//**Note: maxsteps*stepdelay will be total time in miliseconds of fading effect
var startcolor= new Array(255,255,255); // start color (red, green, blue)
var endcolor=new Array(4,85,138); // end color (red, green, blue)

var fadelinks=1;  //should links inside scroller content also fade like text? 0 for no, 1 for yes.

///No need to edit below this line/////////////////

var DOM2=document.getElementById;
var faderdelay=0;
var index=1;


/*Rafael Raposo edited function*/
//function to change content
function changecontent(id_bloc, compteur){
  if (index>compteur)
    index=1;
  id_suivant = index+1;
  if(id_suivant > compteur)
    id_suivant = 1;
  id_precedent = index-1;
  if(id_precedent == 0)
     id_precedent = compteur;

//alert("id_precedent ==> "+id_bloc+id_precedent+" id_actuelle ==> "+id_bloc+index+" id_suivant ==> "+id_bloc+id_suivant);

  if (DOM2){
    document.getElementById(id_bloc+id_precedent).className = document.getElementById(id_bloc+id_precedent).className.replace(/ visible/, "");
    document.getElementById(id_bloc+index).className =  document.getElementById(id_bloc+index).className + " visible";
    document.getElementById(id_bloc+index).style.color="rgb("+startcolor[0]+", "+startcolor[1]+", "+startcolor[2]+")"
    if (fadelinks)
      linkcolorchange(1, id_bloc+index);
    colorfade(1, id_bloc, compteur, index);
  }
  index++
}

// colorfade() partially by Marcio Galli for Netscape Communications.  ////////////
// Modified by Dynamicdrive.com

function linkcolorchange(step, id){
  var obj=document.getElementById(id).getElementsByTagName("A");
  if (obj.length>0){
    for (i=0;i<obj.length;i++)
      obj[i].style.color=getstepcolor(step);
  }
}

/*Rafael Raposo edited function*/
var fadecounter;
function colorfade(step,id_bloc, compteur, index) {
  if(step<=maxsteps) {	
    document.getElementById(id_bloc+index).style.color=getstepcolor(step);
    if (fadelinks)
      linkcolorchange(step, id_bloc+index);
    step++;
    fadecounter=setTimeout("colorfade("+step+", '"+id_bloc+"', '"+compteur+"', '"+index+"')",stepdelay);
  }else{
    clearTimeout(fadecounter);
    document.getElementById(id_bloc+index).style.color="rgb("+endcolor[0]+", "+endcolor[1]+", "+endcolor[2]+")";
    setTimeout("changecontent('"+id_bloc+"', '"+compteur+"')", delay);
	
  }   
}

/*Rafael Raposo's new function*/
function getstepcolor(step) {
  var diff
  var newcolor=new Array(3);
  for(var i=0;i<3;i++) {
    diff = (startcolor[i]-endcolor[i]);
    if(diff > 0) {
      newcolor[i] = startcolor[i]-(Math.round((diff/maxsteps))*step);
    } else {
      newcolor[i] = startcolor[i]+(Math.round((Math.abs(diff)/maxsteps))*step);
    }
  }
  return ("rgb(" + newcolor[0] + ", " + newcolor[1] + ", " + newcolor[2] + ")");
}

function defilementNews(id_bloc, id_box_heb) {
	var pointeurElement_heb = document.getElementById(id_box_heb);
	var largeurConteneur_heb = pointeurElement_heb.offsetHeight;

	var elts = document.getElementsByTagName('p');
  var elts_cnt   = (typeof(elts.length) != 'undefined') ? elts.length : 0;
  //on ajoute l'attribut id pour les éléments
  var compteur =0;
  for (var i = 0; i < elts_cnt; i++) {
    if(elts[i].getAttribute("name") == id_bloc){
      compteur++;
      elts[i].id = id_bloc + compteur;
    }
  } // end for

	if(compteur > 1){
    for(var i=0; i<compteur; i++){
      var identifiant_heb = id_bloc + (i + 1);
      pointeurElement_heb = document.getElementById(identifiant_heb);
      pointeurElement_heb.largeurConteneur_heb = largeurConteneur_heb - 60;
    }
    changecontent(id_bloc, compteur);
  }else if(compteur == 1){
    document.getElementById(id_bloc+'1').className =  document.getElementById(id_bloc+'1').className + " visible";
  }
}