function clrBar(face)
{
  with(document.body.style)
  {
    scrollbarDarkShadowColor="#D0B000";
    scrollbar3dLightColor="#FFDC00";
    scrollbarArrowColor="#FFDC00";
    scrollbarBaseColor="#FFD700";
    scrollbarFaceColor=face;
    scrollbarHighlightColor="#FFD010";
    scrollbarShadowColor="#D0B000";
    scrollbarTrackColor="#a2a2a2";
  }
}

function setcolor()
{
  var w = document.body.clientWidth;
  var h = document.body.clientHeight;
  var x = event.clientX;
  var y = event.clientY;
  if(x>w || y>h) clrBar("#000000"); // Colors of active state
  else clrBar("#a2a2a2"); // Colors of normal state
}