Acouleurtrack = "#F3F3F3";
Acouleurligne = "#F3F3F3";
couleurtrack = "white";
couleurligne = "white";
couleurbase = "#D50000";
couleurover = "#0D0395";

function scrollBar(face)
{
 with(document.body.style)
 {
  scrollbarDarkShadowColor=couleurligne;
  scrollbar3dLightColor=couleurligne;
  scrollbarArrowColor=couleurligne;
  scrollbarBaseColor=face;
  scrollbarFaceColor=face;
  scrollbarHighlightColor=face;
  scrollbarShadowColor=face;
  scrollbarTrackColor=couleurtrack;
 }
}

function colorBar()
{
 var w = document.body.clientWidth;
 var h = document.body.clientHeight;
 var x = event.clientX;
 var y = event.clientY;

 if (x>w)
    scrollBar(couleurover);
 else
    scrollBar(couleurbase);

}

if (document.all)
{
 scrollBar(couleurbase);
 document.onmousemove=colorBar;
}