function show_hide(a) {	
  document.getElementById('dkushan').style.display = "none";
	document.getElementById('dparthes').style.display = "none";
  document.getElementById('dsaka').style.display = "none";
	document.getElementById('dscythes').style.display = "none";
	document.getElementById('dxianbei').style.display = "none";
	document.getElementById('dyuezhi').style.display = "none";			
	document.getElementById('dhuns').style.display = "none";
	document.getElementById(a).style.display = "block";	
}


function galerie(a) {	
  document.getElementById('parures').style.display = "none";
	document.getElementById('tombes').style.display = "none";
  document.getElementById('harnachement').style.display = "none";
	document.getElementById('char').style.display = "none";
	document.getElementById(a).style.display = "block";	
}