function showLayer(layerId,show) {
	if (document.getElementById && document.getElementById(layerId)) { objLayer = document.getElementById(layerId); } else if (document.all && document.all[layerId]) { objLayer = document.all[layerId]; } else if (document.layers && document.layers[layerId]) { objLayer = document.layers[layerId]; } else { objLayer = null; }
	if (objLayer !== null) { objLayer.style.display = (show == 1) ? 'block' : 'none'; }
}

function enlarge(id) {
	var winl = (screen.width - 400) / 2;
	var wint = (screen.height - 400) / 2;
	window.open('../images/products.php?id='+id, 'preview','width=400,height=400,top='+wint+',left='+winl+',scrollbars=no,resizable')
}

function sample(id) {
	var winl = (screen.width - 408) / 2;
	var wint = (screen.height - 168) / 2;
	window.open('../mp3/player.php?id='+id, 'sample','width=408,height=168,top='+wint+',left='+winl+',scrollbars=no,resizable')
}

function addtrackstocart(strLang) {
	boolChecked = false;
	for (var i = 0; i < document.downloadtracks.elements.length; i++) {
		if (document.downloadtracks.elements[i].name == "arrTracks[]") {
			if (document.downloadtracks.elements[i].checked == true) {
				boolChecked = true;
			}
		}
	}
	if (boolChecked) {
		document.downloadtracks.submit();
	} else {
		switch(strLang) {
			case 'FR':
				alert('Aucune pièce n\'a été sélectionnée!');
				break;
			case 'EN':
				alert('No tracks selected!');
				break;
		}
	}
}