function display_menu(id)
{
	var arbo = document.getElementById("menu_left" + id);
	var child_arbo = document.getElementById("sousmenu_left" + id);
	var navigateur = navigator.appName;
	
	if (child_arbo.style.display == 'block')
	{
		child_arbo.style.display='none';
	}
	else
	{
		child_arbo.style.display='block';
	}
}


function affCom()
{
	var com = document.getElementById('addComents');
	if(com.style.display == "block") com.style.display = "none";
	else com.style.display = "block";
}