// Change image function
function changeImage(imgNam, status) {
	if(document.images)
		document[imgNam].src = eval(imgNam + '_' + status + '.src');
}

// Preload images for mouseover image change function
function preloadImages(from, to) {
	if(from == null)
		from = 1;
	if(to == null)
		to = 9;
	if(document.images) {
		for(var i = from; i <= to; i++) {
			var id = (i < 10 ? "m0" : "m") + i;
			eval(id + "_over = new Image()");
			eval(id + "_over").src = 'img/' + id + 'a.gif';
			eval(id + "_off = new Image()");
			eval(id + "_off").src = 'img/' + id + '.gif';
		}
	}
}

// Call image preload function
preloadImages();

HM_isOnMenu = false;

function mainMenu_DoFSCommand(command, args) {
	e = new HM_f_dummyEvent();
	if(command == "over") {
		e.type = "over";
		popUp(args, e);
		HM_isOnMenu = true;
	} else {
		HM_isOnMenu = false;
		e.type = "out";
		popDown(args, e);
	}
}

function hideLayer(whichLayer) {
	if (document.getElementById) {
		document.getElementById(whichLayer).style.visibility = "hidden";
	}
	else if (document.all) {
		document.all[whichlayer].style.visibility = "hidden";
	}
	else if (document.layers) {
		document.layers[whichLayer].visibility = "hidden";
	}
}

function showLayer(whichLayer) {
	if (document.getElementById) {
		document.getElementById(whichLayer).style.visibility = "visible";
	}
	else if (document.all) {
		document.all[whichlayer].style.visibility = "visible";
	}
	else if (document.layers) {
		document.layers[whichLayer].visibility = "visible";
	}
}