imgArray = new Array('../images/nav-top-lcap.gif',
                     '../images/nav-top-rcap.gif',
                     '../images/spacer.gif');

navImgCnt = imgArray.length;
picArray = new Array(navImgCnt);

for (var i=0 ; i<navImgCnt ; i++)
{
  picArray[i] = new Image;
  picArray[i].src = imgArray[i];
}

function navState(navImgName, nState)
{
  if (document.images)
  {
    if (nState == 1)
    {
      document[navImgName + '_l'].src = picArray[0].src;
      document[navImgName + '_r'].src = picArray[1].src;
      eval(navImgName + ".style.color = '#FFFFFF'");
      eval(navImgName + "_bg.style.backgroundColor = '#920000'");
    }
    else if (nState == 0)
    {
      document[navImgName + '_l'].src = picArray[2].src;
      document[navImgName + '_r'].src = picArray[2].src;
      eval(navImgName + ".style.color = '#000000'");
      eval(navImgName + "_bg.style.backgroundColor = '#FFFFFF'");
    }
  }
}


imgNms = new Array('agent',
                   'find',
                   'sitemap');

ovrImg = new Array('../images/button-agent-area-o.gif',
                   '../images/button-find-an-agent-o.gif',
                   '../images/button-sitemap-o.gif');

outImg = new Array('../images/button-agent-area.gif',
                   '../images/button-find-an-agent.gif',
                   '../images/button-sitemap.gif');

imgCnt = imgNms.length;
ovrPic = new Array(imgCnt);
outPic = new Array(imgCnt);

for (var i=0 ; i<imgCnt ; i++)
{
  ovrPic[i] = new Image;
  ovrPic[i].src = ovrImg[i];
  outPic[i] = new Image;
  outPic[i].src = outImg[i];
}

function swImg(imgNum, imgState)
{
  if (document.images)
  {
    var imgName = imgNms[imgNum];
  
    if (imgState == 1)
    {
      document[imgName].src = ovrPic[imgNum].src;
    }
    else if (imgState == 0)
    {
      document[imgName].src = outPic[imgNum].src;
    }
  }
}