// Opacity and Fade in script.
    // Script copyright (C) 2008 http://www.cryer.co.uk/.
    // Script is free to use provided this copyright header is included.
    function SetOpacity(object,opacityPct)
    {
      // IE.
      object.style.filter = 'alpha(opacity=' + opacityPct + ')';
      // Old mozilla and firefox
      object.style.MozOpacity = opacityPct/100;
      // Everything else.
      object.style.opacity = opacityPct/100;
    }
    function ChangeOpacity(id,msDuration,msStart,fromO,toO)
    {
      var element=document.getElementById(id);
      var opacity = element.style.opacity * 100;
      var msNow = (new Date()).getTime();
      opacity = fromO + (toO - fromO) * (msNow - msStart) / msDuration;
      if (opacity<0) 
        SetOpacity(element,0)
      else if (opacity>100)
        SetOpacity(element,100)
      else
      {
        SetOpacity(element,opacity);
        element.timer = window.setTimeout("ChangeOpacity('" + id + "'," + msDuration + "," + msStart + "," + fromO + "," + toO + ")",1);
      }
    }
    function FadeIn(id)
    {
      var element=document.getElementById(id);
      if (element.timer) window.clearTimeout(element.timer); 
      var startMS = (new Date()).getTime();
      element.timer = window.setTimeout("ChangeOpacity('" + id + "',1000," + startMS + ",0,100)",1);
    }
    function FadeOut(id)
    {
      var element=document.getElementById(id);
      if (element.timer) window.clearTimeout(element.timer); 
      var startMS = (new Date()).getTime();
      element.timer = window.setTimeout("ChangeOpacity('" + id + "',1000," + startMS + ",100,0)",1);
    }
    function FadeInImage(foregroundID,newImage,backgroundID)
    {
      var foreground=document.getElementById(foregroundID);
      if (backgroundID)
      {
        var background=document.getElementById(backgroundID);
        if (background)
        {
          background.style.backgroundImage = 'url(' + foreground.src + ')';
          background.style.backgroundRepeat = 'no-repeat';
        }
      }
      SetOpacity(foreground,0);
      foreground.src = newImage;
      if (foreground.timer) window.clearTimeout(foreground.timer); 
      var startMS = (new Date()).getTime();
      foreground.timer = window.setTimeout("ChangeOpacity('" + foregroundID + "',1000," + startMS + ",0,100)",10);
    }