if (pathImgDir)
{
}
else
{
	var pathImgDir = "error/";
}

var onImg = new Array();

var offImg = new Array();

var navImgDir = "images/" + pathImgDir;

var topNavNames = new Array("home","products","services","support","download","buy","contacts","about","blog");
//var topNavNames = new Array();

var imgName, imgHLName, refName;

if (document.images)
{
	for (var i = 0; i < topNavNames.length; i++)
	{
		refName = topNavNames[i];
		imgName = navImgDir + refName + "-off.gif";
		imgHLName = navImgDir + refName + "-on.gif";
		onImg[refName] = new Image();
		offImg[refName] = new Image();
		onImg[refName].src = imgHLName;
		offImg[refName].src = imgName;
	}
}

function imageOn(name)
{
	if (document.images && onImg[name])
	{
		document.images[name].src = onImg[name].src
	}
}

function imageOff(name)
{
	if (document.images && offImg[name])
	{
		document.images[name].src = offImg[name].src
	}
}