lOgo = new Image();
    lOgo.src = "images/logo.gif";
	bG = new Image();
    bG.src = "images/bg.jpg";
	tBbG = new Image();
    tBbG.src = "images/tb_bg2.gif";
	
	nMaxItem = 4;
	NameIndex = 0;
	DefaultState = 1;
	
	MouseOverState = 2;
	MouseDownState = 3;
	imgCounter = 0;
	
	ImageList = new Array();
	
	bIsSupportOK = (
		((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) ||
		((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )) ||
		((navigator.appName == "Opera") && (parseInt(navigator.appVersion) >= 6 ))
	);
	
	function AddImageToImageList(name, Default, MouseOver, MouseDown)
	{
		ImageList[imgCounter] = new Array(nMaxItem);
		ImageList[imgCounter][NameIndex] = name;
		ImageList[imgCounter][DefaultState] = new Image();
		ImageList[imgCounter][DefaultState].src = Default;
		if (MouseOver != "") {
			ImageList[imgCounter][MouseOverState] = new Image();
			ImageList[imgCounter][MouseOverState].src = MouseOver;
		}
		if (MouseDown != "") {
			ImageList[imgCounter][MouseDownState] = new Image();
			ImageList[imgCounter][MouseDownState].src = MouseDown;
		}
	
		imgCounter++;
	}
	
	function ReplaceImage(name, state)
	{
		for (i = 0; i < imgCounter; i++) {
			if (document.images[ImageList[i][NameIndex]] != null) {
				if ((name == ImageList[i][NameIndex]) && (ImageList[i][state] != null))
					document.images[name].src = ImageList[i][state].src;
			}
		}
	}
	
	AddImageToImageList("home", "images/home_normal.gif", "images/home_over.gif", "images/home_down.gif");
	AddImageToImageList("hidef", "images/hidef_normal.gif", "images/hidef_over.gif", "images/hidef_down.gif");
	AddImageToImageList("steadicam", "images/steadicam_normal.gif", "images/steadicam_over.gif", "images/steadicam_down.gif");
	AddImageToImageList("stock", "images/stock_normal.gif", "images/stock_over.gif", "images/stock_down.gif");
	AddImageToImageList("titles", "images/titles_normal.gif", "images/titles_over.gif", "images/titles_down.gif");
	AddImageToImageList("contact", "images/contact_normal.gif", "images/contact_over.gif", "images/contact_down.gif");