function menuOver(tdMenu,idTextMenu){
	var idTdMenu = document.getElementById(tdMenu);	
	idTdMenu.className="titreMenuOver";
	document.getElementById(idTextMenu).className="menuTextOver";
}
function menuOut(tdMenu,idTextMenu){
	var idTdMenu = document.getElementById(tdMenu);
	if(menuActif!=idTextMenu){
		idTdMenu.className="titreMenu";
		document.getElementById(idTextMenu).className="menuText";
	}		
}