if (navigator.appName == "Netscape") {
layerRef="document.layers";
styleSwitch="";
} else {
layerRef="document.all";
styleSwitch=".style";
}

var menusLoaded = false;

var canImg = (document.images) ? true : false;
var ie3atMac = ((navigator.userAgent.indexOf("Mac") != -1) && (navigator.userAgent.indexOf("MSIE") != -1) && (navigator.userAgent.indexOf("3") != -1)) ? true : false;
var canRoll = ((canImg) && (!ie3atMac)); // может делать ролловеры

// Изображения для ролловеров 
function prepareRollOver(imageID) {
	this.inact = new Image();
	this.inact.src = "images/menus/"+ imageID+"-i.gif";
	this.act = new Image();
	this.act.src = "images/menus/"+ imageID+"-a.gif";
	return this
}

function hiImg(imageName,imageState)
{
if (canRoll)
	{
		if (imageState) 
		{ if (rollovers[imageName]) document.images["img"+imageName].src = rollovers[imageName].act.src; }
		else			
		{ if (rollovers[imageName]) document.images["img"+imageName].src = rollovers[imageName].inact.src; }
	}
}


function showLayer(layerName) {
if (menusLoaded) {
	eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
}
}


function hideLayer(layerName) {
if (menusLoaded) {
	eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
}
}


function showThisLayer(layerName) {
if (menusLoaded) {
	hideLayer('company');
	//hideLayer('skoda');
	//hideLayer('yamaha');
	hideLayer('hyundai');
	hideLayer('tradein');
	hideLayer('leasing');
	//hideLayer('ssangyong');
	showLayer(layerName);
}
//	hiImg(layerName,true);
}


function hideThisLayer(layerName) {
if (menusLoaded) {
	hideLayer(layerName);
}
//	hiImg(layerName,false);
}