// au chargement de la page, si c'est un navigateur compatible
window.onload = function ()
{
	if (document.getElementById) { initRowBehavior(); }
}

// attribut les comportements aux éléments du menu
function initRowBehavior()
{
	if (!document.getElementById('menupop')) return;
	if (!document.getElementById('metiers')) return;

	var MNU = document.getElementById('mainmenu');
	document.getElementById('corpus').onmouseover = HideMenu;
	var LNK = MNU.getElementsByTagName('a');
	for (var i=0; i < LNK.length; i++) {
		if (LNK[i].id == "metiers"){
			LNK[i].onmouseover = ShowMenu;
		}
		else
		{
			LNK[i].onmouseover = HideMenu;
		}
	}
}

function HideMenu()
{
	var TheMenu = document.getElementById('menupop');
	var TheCall = document.getElementById('metiers');
	TheMenu.style.display = 'none';
	TheCall.className = '';
}

function ShowMenu()
{
	var TheMenu = document.getElementById('menupop');
	var TheCall = document.getElementById('metiers');
	TheMenu.style.display = 'block';
	TheCall.className = 'expanded';
}