function isDefined(chaine) { return (eval(chaine))?true:false; }
timout=500;
timer=0;
function shiv(num) {
	clearTimeout(timer);
	close_all(num);
	document.getElementById("dhtml"+num).style.visibility="visible";
	document.getElementById("imgssmenu"+num).src="http://www.laciteverte.com/pix/fr/nav/selmenu"+num+".png";
}
function shivno(num) {
	clearTimeout(timer);
	close_all(num);
	document.getElementById("imgssmenu"+num).src="http://www.laciteverte.com/pix/fr/nav/selmenu"+num+".png";
}
function hidi() {
	timer=setTimeout("close_all()",timout);
}
function close_all(except) {
	for (i=1; i<=12; i++) {
		if (i!=except) {
			if (isDefined('document.getElementById("dhtml'+i+'")')) {
				obj=eval('document.getElementById("dhtml'+i+'")');
				obj.style.visibility="hidden";
				document.getElementById("imgssmenu"+i).src="http://www.laciteverte.com/pix/fr/nav/menu"+i+".png";
			}
		}
	}
}