function menu_active(left, right) {
	document.getElementById('separator_'+left).style.backgroundPosition = '0px -34px';
	document.getElementById('separator_'+right).style.backgroundPosition = '0px -68px';
}
function menu_inactive(left, right) {
	document.getElementById('separator_'+left).style.backgroundPosition = '0px 0px';
	document.getElementById('separator_'+right).style.backgroundPosition = '0px 0px';
}
function rechercherFocus() {
	var q = document.getElementById('q');
	if (q.value == 'Rechercher...') {
		q.value = '';
	}
}
function rechercherBlur() {
	var q = document.getElementById('q');
	if (q.value == '') {
		q.value = 'Rechercher...';
	}
}