function initCouleurs()
{
	var page = (document.URL).split("#");
	page = page[1];
	
	var idLien;
	
	switch (page)
	{
		case "Home": idLien="btnHome"; break;
		case "News": idLien="btnNews"; break;
		case "Gallery": idLien="btnGallery"; break;
		case "Expositions": idLien="btnExpos"; break;
		case "Archives": idLien="btnArchives"; break;
		case "Reproductions": idLien="btnReproductions"; break;
		case "Presse": idLien="btnPresse"; break;
		case "Contact": idLien="btnContact"; break;
		default: idLien="btnHome"; break;
	}

	var lien = document.getElementById(idLien); 
	lien.className = "menuEnCours";
}

function changeCouleurs(id)
{
	document.getElementById("btnHome").className = "";
	document.getElementById("btnNews").className = "";
	document.getElementById("btnGallery").className = "";
	document.getElementById("btnExpos").className = "";
	document.getElementById("btnArchives").className = "";
	document.getElementById("btnReproductions").className = "";
	document.getElementById("btnPresse").className = "";
	document.getElementById("btnContact").className = "";
	
	var lien = document.getElementById(id);
	lien.className = "menuEnCours";
}