imageNames = new Array('home',
                       'company_profile',
                       'strategic_solutions',
                       'show_case',
                       'working_with_us',
                       'contact_us',
                       'feedback');

overImages = new Array('../images/nav_home-o.gif',
                       '../images/nav_company_profile-o.gif',
                       '../images/nav_strategic_solutions-o.gif',
                       '../images/nav_show_case-o.gif',
                       '../images/nav_working_with_us-o.gif',
                       '../images/nav_contact_us-o.gif',
                       '../images/nav_feedback-o.gif');

outImages = new Array('../images/nav_home.gif',
                      '../images/nav_company_profile.gif',
                      '../images/nav_strategic_solutions.gif',
                      '../images/nav_show_case.gif',
                      '../images/nav_working_with_us.gif',
                      '../images/nav_contact_us.gif',
                      '../images/nav_feedback.gif');

overPics = new Array(imageNames.length);
outPics = new Array(imageNames.length);

for (var i=0 ; i<=imageNames.length ; i++)
{
  overPics[i] = new Image;
  overPics[i].src = overImages[i];
  outPics[i] = new Image;
  outPics[i].src = outImages[i];
}

function swImg(num, up)
{
  if (document.images)
  {
    if (up == 'b')
    {
      document[imageNames[num]].src = overPics[num].src;
    }
    else if (up == 'a')
    {
      document[imageNames[num]].src = outPics[num].src;
    }
  }
}

if (document.layers)
{
  visible = 'show';
  hidden = 'hide';
}
else if (document.all)
{
  visible = 'visible';
  hidden = 'hidden';
}

menuNames = new Array('strategicSoltuionsMenu',
                      'showCaseMenu');

function menuDisp(num)
{
  for (var j=0 ; j<menuNames.length ; j++)
  {
    menu = menuNames[j];
    
    if (document.layers)
    {
      myMenu = document.layers[menu];
    }
    else if (document.all)
    {
      myMenu = document.all(menu).style;
    }

    if (!isNaN(num))
    {
      if (menuNames[num] != menuNames[j])
      {
        myMenu.visibility = hidden;
      }
      else
      {
        myMenu.visibility = visible;
      }
    }
    else
    {
      myMenu.visibility = hidden;
    }
  }
}