// JavaScript Document

function change_article(id){
	document.getElementById('article1').style.display = "none";
	document.getElementById('article2').style.display = "none";
	document.getElementById('article3').style.display = "none";
	document.getElementById('article4').style.display = "none";
	document.getElementById('article5').style.display = "none";
	document.getElementById('article6').style.display = "none";
	document.getElementById('article7').style.display = "none";
	document.getElementById('article8').style.display = "none";
	document.getElementById('article9').style.display = "none";
	document.getElementById('article10').style.display = "none";
	document.getElementById('article11').style.display = "none";
	document.getElementById('article12').style.display = "none";
	document.getElementById('article13').style.display = "none";
	document.getElementById('article14').style.display = "none";
	document.getElementById('article15').style.display = "none";
	document.getElementById('article16').style.display = "none";
	
	document.getElementById(id).style.display = '';
}