ver=navigator.appVersion;
dom=document.getElementById?1:0;
ie5=(ver.indexOf("MSIE 5")>-1 && dom)?1:0;
ie6=(ver.indexOf("MSIE 6")>-1 && dom)?1:0;
ie4=(document.all && !dom)?1:0;
ie=ie4||ie5||ie6;
ns4=(document.layers && !dom)?1:0;
bw=(ie || ns4);

if (bw)
{
	if (ns4) layerRef="document.layers.subMnCon.document.layers";
	if (ie) layerRef="document.all";
	styleSwitch=(ie)?".style":"";
}

var lastMn = "";

function showMenu (menu) {
	if (!bw) { return }
	if (lastMn.length>0) {eval(layerRef+'["'+lastMn+'"]'+styleSwitch+'.visibility="hidden"')}
	eval(layerRef+'["'+menu+'"]'+styleSwitch+'.visibility="visible"');
	lastMn = menu;
}

function image_on(imgName) {
	if (document.images) {
        document[imgName].src = eval(imgName + "o.src");
	}
}

function image_off(imgName) {
	if (document.images) {
        document[imgName].src = eval(imgName + ".src");
	}
}

// preload
if (document.images) {
	menu1 = new Image;
	menu1.src = "img/menu/back.gif";
	menu2 = new Image;
	menu2.src = "img/menu/discography.gif";
	menu3 = new Image;
	menu3.src = "img/menu/lyrics.gif";
	menu4 = new Image;
	menu4.src = "img/menu/audio.gif";
	menu5 = new Image;
	menu5.src = "img/menu/video.gif";
	menu6 = new Image;
	menu6.src = "img/menu/press.gif";
	menu7 = new Image;
	menu7.src = "img/menu/gallery.gif";
	menu8 = new Image;
	menu8.src = "img/menu/tour.gif";
	menu9 = new Image;
	menu9.src = "img/menu/forum.gif";
	menu10 = new Image;
	menu10.src = "img/menu/shop.gif";

	menu1o = new Image;
	menu1o.src = "img/menu/back_on.gif";
	menu2o = new Image;
	menu2o.src = "img/menu/discography_on.gif";
	menu3o = new Image;
	menu3o.src = "img/menu/lyrics_on.gif";
	menu4o = new Image;
	menu4o.src = "img/menu/audio_on.gif";
	menu5o = new Image;
	menu5o.src = "img/menu/video_on.gif";
	menu6o = new Image;
	menu6o.src = "img/menu/press_on.gif";
	menu7o = new Image;
	menu7o.src = "img/menu/gallery_on.gif";
	menu8o = new Image;
	menu8o.src = "img/menu/tour_on.gif";
	menu9o = new Image;
	menu9o.src = "img/menu/forum_on.gif";
	menu10o = new Image;
	menu10o.src = "img/menu/shop_on.gif";
}