var flag = false;
	
	//	mozilla/5.0 (macintosh; u; ppc mac os x; en-us) applewebkit/125.4 (khtml, like gecko, safari) omniweb/v563.34
	var agt = navigator.userAgent.toLowerCase();


	
	var macos = agt.indexOf("mac") != -1 || agt.indexOf("mac_power") != -1 || agt.indexOf("ppc") != -1;
	var opera = agt.indexOf("opera") != -1;
	
	/*

	function initialise() {
		var sommaire = document.getElementById("sommaire");
		var h3s = sommaire.getElementsByTagName("h3");
		
		for ( i = 0 ; i < h3s.length ; i ++ ) {
			h3s[i].onmouseover = hilite ;
			h3s[i].onmouseout = restore ;
		}
	}

		
	function hilite() {
		if (this.className == "on") return false;
		this.className = "over";
	}
		
	function restore() {
		if (this.className == "on") return false;
		this.className = "out";
	}
	
	window.onload = initialise;

	*/


	function showInfos(ObjetParent) {
		if (ObjetParent.className == "ouvert") { ObjetParent.className = "ferme";
		} else {
			var lis = ObjetParent.parentNode.getElementsByTagName("li");
			for (i = 0; i < lis.length; i ++) { lis[i].className = "ferme"; }
			ObjetParent.className = "ouvert";
		}
	}