//Scrolling du texte dans la barre de status

var scrtxt=txtbase+txtvar;
var lentxt=scrtxt.length;
var width=100;
var pos=width+1-txtbase.length;

scroll();

function scroll() {
  pos--;
  var scroller=">>>";

  if (pos>0) {
    for (var i=0; i<pos; i++) {
        scroller=scroller+" ";}
        scroller=scroller+scrtxt.substring(0,width-pos);
        scroller=scroller+"<<<";
  }else {
        scroller=scroller+scrtxt.substring(-pos,width-pos);
        scroller=scroller+"<<<";
        if(-pos>lentxt)     pos=width-1-txtbase.length;
  }
  window.status = scroller;
  setTimeout("scroll()",150);
}