function chgcouleurbarre()
{
if (document.body.clientwidth<event.clientX)
with(document.body.style)
{
scrollbarDarkShadowColor="#996633";
scrollbar3dLightColor="#ffffff";
scrollbarArrowColor="#769681";
scrollbarBaseColor="#f1b07e";
scrollbarFaceColor="#f1b07e";
scrollbarHighlightColor="#ffffff";
scrollbarShadowColor="#996633";
scrollbarTrackColor="#f1b07e";
}
else 
with(document.body.style)
{
scrollbarDarkShadowColor="#996633";
scrollbar3dLightColor="#996633";
scrollbarArrowColor="#ffffff";
scrollbarBaseColor="#ffffff";
scrollbarFaceColor="#f1b07e";
scrollbarHighlightColor="#ffffff";
scrollbarShadowColor="#ffffff";
scrollbarTrackColor="#769681";
}
}
if (document.all)
{
document.onmousemove=chgcouleurbarre;
}