function newImage(arg)
{
  if(document.images)
  {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function changeImages()
{
  if(document.images && (preloadFlag == true))
  {
    for(var i=0; i<changeImages.arguments.length; i+=2)
    {
      document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
    }
  }
}

var preloadFlag = false;
function preloadImages()
{
  if(document.images)
  {
    SOTCLogo = newImage("/img/SOTCLogo.gif");
    ContactImage_over = newImage("/img/navs/ContactImage-over.gif");
    ContactText_over = newImage("/img/navs/ContactText-over.gif");
    AboutImage_over = newImage("/img/navs/AboutImage-over.gif");
    AboutText_over = newImage("/img/navs/AboutText-over.gif");
    AllenImage_over = newImage("/img/navs/AllenImage-over.gif");
    AllenText__over = newImage("/img/navs/AllenText-over.gif");
    EventImage_over = newImage("/img/navs/EventImage-over.gif");
    EventText_over = newImage("/img/navs/EventText-over.gif");
    preloadFlag = true;
  }
}