function showHome(){
  document.getElementById('contact').style.display = 'none';
  document.getElementById('photos').style.display = 'none';
  document.getElementById('home').style.display = 'block';

  document.getElementById('menu_contact').style.fontWeight = 'normal';
  document.getElementById('menu_photos').style.fontWeight = 'normal';
  document.getElementById('menu_home').style.fontWeight = 'bold';

	window.scrollTo(0,0);
}

function showContact(){
  document.getElementById('photos').style.display = 'none';
  document.getElementById('home').style.display = 'none';
  document.getElementById('contact').style.display = 'block';

  document.getElementById('menu_home').style.fontWeight = 'normal';
  document.getElementById('menu_photos').style.fontWeight = 'normal';
  document.getElementById('menu_contact').style.fontWeight = 'bold';

	window.scrollTo(0,0);
}

function showPhotos(){
  document.getElementById('home').style.display = 'none';
  document.getElementById('contact').style.display = 'none';
  document.getElementById('photos').style.display = 'block';

  document.getElementById('menu_home').style.fontWeight = 'normal';
  document.getElementById('menu_contact').style.fontWeight = 'normal';
  document.getElementById('menu_photos').style.fontWeight = 'bold';

	window.scrollTo(0,0);
}