function changeOnglet(_this)
{
	var getOnglets 	= document.getElementById('onglets').getElementsByTagName('li');
	for(var i = 0; i < getOnglets.length; i++)
	{
		if(getOnglets[i].id)
		{
			if(getOnglets[i].id == _this)
			{
				getOnglets[i].className = 'selected';
				document.getElementById('c' + _this).style.display = 'block';
			}
			else
			{
				getOnglets[i].className = 'onglet';
				document.getElementById('c' + getOnglets[i].id).style.display = 'none';
			}
		}
	}			
}