function changeServiceDisplay(top)
{
  var i;
  var count;
    count = 6;
  
  for (i = 1; i <= count; i++) {
    if (i == top) {
      document.getElementById("service_div_" + i).style.display='block';
      document.getElementById("service_title_" + i).className='servicetimes_home_selected';
    } else {
      document.getElementById("service_div_" + i).style.display='none';
      document.getElementById("service_title_" + i).className='servicetimes_home';
    }
  }
}