function fileName(N)
{
  name=""
  
  switch (N)
  {
  case 1:
    name="home"  
  break;
  case 2:
    name="dcb-trend"  
  break;
  case 3:
    name="dcb-swing"  
  break;
  case 4:
    name="dcb-day"  
  break;
  case 5:
    name="billing"  
  break;
  case 6:
    name="contact"  
  break;
  case 7:
    name="faq"  
  break;
  case 8:
    name="members-area"  
  break;
  };
  return name;
}

function iUp(N)
{
  path='img/menu/';
  
  e=document.getElementById('e'+N);
  e.src=path+fileName(N)+'-a.gif';
}

function iOut(N)
{
  path='img/menu/';
       
  e=document.getElementById('e'+N);
  e.src=path+fileName(N)+'.gif';
}