// pas de défilement :
var pas=1;
// hauteur de la partie visible
var h_fen="258px";

function scrollmrq(){
  if ( parseInt(mrq.style.top) > -h_mrq ){
    mrq.style.top = parseInt(mrq.style.top)-pas+"px";
  }
  else{
    mrq.style.top=parseInt(h_fen)+"px";
  }
}

function init_mrq(){
  mrq=document.getElementById("marquee");
  fen=document.getElementById("defil_actu");
  fen.onmouseover=function(){stoc=pas;pas=0};
  fen.onmouseout=function(){pas=stoc};fen.style.height=h_fen;
  h_mrq=mrq.offsetHeight;
  with(mrq.style){position="absolute";top="5";}
  setInterval("scrollmrq()",40);
}
window.onload=init_mrq