function buttonon ( img ) { // survol de bouton
	var i = img.src.lastIndexOf(".");
	var prefixe = img.src.substr(0, i);
	var suffixe = img.src.substr(i, img.src.length - i);
	var url = prefixe+"_"+suffixe;
	img.src = url;
}

function buttonoff ( img ) { // survoll de bouton
	var i = img.src.lastIndexOf(".");
	var prefixe = img.src.substr(0, i-1);
	var suffixe = img.src.substr(i, img.src.length - i);
	var url = prefixe+suffixe;
	img.src = url;
}

document.onkeyup = function touche(e) {
	if (document.all)
		k=event.keyCode;
	else
		k=e.which;		

	if ( (k > 96)&&(k < 123) )
		k-=32;
	if ( (k > 64)&&(k < 91) )	{
		c=String.fromCharCode(k);
		c=c.toLowerCase();
		//go = '#' + c;
		//open(go,'_self');
		if (document.getElementById(c) != null)
			document.getElementById(c).scrollIntoView(true);
	}
}

function miniFenetre ( url ) {
	document.getElementById("calque").style.visibility = "visible";
	document.getElementById("cadre").src = url;
}

function cacheFenetre () {
	document.getElementById("calque").style.visibility = "hidden";
	document.getElementById("cadre").src = "about:blank";
}

function showvideo1 () {
	document.getElementById("vfond").style.visibility = "visible";
	document.getElementById("v1").style.visibility = "visible";
	jwplayer("jw1").setup({
	file: "/videos/attendezhd.m4v",
	flashplayer: "player.swf",
	image: "/videos/attendezgenacc.jpg",
	height: 540,
	width: 960
	});
}
function showvideo2 () {
	document.getElementById("vfond").style.visibility = "visible";
	document.getElementById("v2").style.visibility = "visible";
	jwplayer("jw2").setup({
	file: "/videos/attendezozebre.mov",
	flashplayer: "player.swf",
	image: "/videos/attendezozebre.jpg",
	height: 360,
	width: 640
	});
}
function hidevideo () {
	document.getElementById("vfond").style.visibility = "hidden";
	document.getElementById("v1").style.visibility = "hidden";
	document.getElementById("v2").style.visibility = "hidden";
	document.getElementById('tg1').style.visibility = "hidden";
	document.getElementById('tg2').style.visibility = "hidden";
	jwplayer("jw1").stop();
	jwplayer("jw2").stop();
}