function menu_over(recup_element)
{
	var div_cours = document.getElementById(recup_element);
	div_cours.className="td_menu_hover";
}

function menu_out(recup_element)
{
	var div_cours = document.getElementById(recup_element);
	div_cours.className="td_menu";
}

function menu_over_adm(recup_element)
{
	var div_cours = document.getElementById(recup_element);
	div_cours.className="td_menu_adm_hover";
}

function menu_out_adm(recup_element)
{
	var div_cours = document.getElementById(recup_element);
	div_cours.className="td_menu_adm";
}