var acces_link='';
var contact_link='';
var soutiens_link='';

var journal_link='';
var medias_link='';

function newImg(arg) {
  rslt = new Image(); rslt.src = arg;
  return rslt;
}

var preloadFlag = false;

function preloadImg() {
  acces_link_on = newImg("/img/head_acces_on.gif");
  acces_link_off = newImg("/img/head_acces_media.gif");
  contact_link_on = newImg("/img/head_contact_on.gif");
  contact_link_off = newImg("/img/head_contact_media.gif");
  soutiens_link_on = newImg("/img/head_soutiens_on.gif");
  soutiens_link_off = newImg("/img/head_soutiens_media.gif");

  journal_link_up = newImg("/img/head_journal_up.gif");
  journal_link_down = newImg("/img/head_journal_down.gif");
  journal_link_on = newImg("/img/head_journal_on.gif");
  medias_link_up = newImg("/img/head_medias_up.gif");
  medias_link_down = newImg("/img/head_medias_down.gif");
  medias_link_on = newImg("/img/head_medias_on.gif");

  if(document.getElementById) preloadFlag = true;
}

function head_link_on(el)  {
  if(preloadFlag == true) {
    elon1 = eval(el+'_on');
    document.getElementById(el).src = elon1.src;
  };
}

function head_link_off(el)  {
   if(preloadFlag == true) {
     eloff1 = eval(el+'_off');
     document.getElementById(el).src = eloff1.src;
   };
}

function head_link_down(el)  {
  if(preloadFlag == true) {
    elon2 = eval(el+'_down');
    eloff2 = eval(el+'_up');
    elyes2 = document.getElementById(el);
    document.getElementById(el).src = elon2.src;
    setTimeout('(elyes2.src)=(eloff2.src);',6000);
  };
}

function head_link_up(el)  {
  if(preloadFlag == true) {
    eloff = eval(el+'_up');
    document.getElementById(el).src = eloff.src;
  };
}