function goto(page_name) {
  document.location = 'http://goairportshuttle.com/' + page_name;
}

function hideCartIcon() {
  document.getElementById('cart_link').style.display = 'none';
}

function showCartIcon() {
  document.getElementById('cart_link').style.display = 'block';
}

function showSidebar() {
  document.getElementById('upper_right_corner').style.display = 'none';
  if (document.getElementById('sidebar'))
    document.getElementById('sidebar').style.display = 'block';
}

function hideSidebar() {
  document.getElementById('upper_right_corner').style.display = 'block';
  if (document.getElementById('sidebar'))
    document.getElementById('sidebar').style.display = 'none';
}

function setWidthToFull() {
	document.getElementById('res_frame').style.width = '828px';
}

function setWidthToNarrow() {
	document.getElementById('res_frame').style.width = '625px';
}