if (document.images) {
	var onImgArray = new Array()
	onImgArray[1] = new Image
	onImgArray[2] = new Image
	onImgArray[3] = new Image
	onImgArray[4] = new Image
	onImgArray[5] = new Image
	onImgArray[6] = new Image
	onImgArray[1].src = "images/menu/acommercials.gif"
	onImgArray[2].src = "images/menu/amusicvideos.gif"
	onImgArray[3].src = "images/menu/atrailers.gif"
	onImgArray[4].src = "images/aresume.gif"
	onImgArray[5].src = "images/acontact.gif"
	onImgArray[6].src = "images/alogin.gif"

	var offImgArray = new Array()
	offImgArray[1] = new Image
	offImgArray[2] = new Image
	offImgArray[3] = new Image
	offImgArray[4] = new Image
	offImgArray[5] = new Image
	offImgArray[6] = new Image
	offImgArray[1].src = "images/menu/commercials.gif"
	offImgArray[2].src = "images/menu/musicvideos.gif"
	offImgArray[3].src = "images/menu/trailers.gif"
	offImgArray[4].src = "images/resume.gif"
	offImgArray[5].src = "images/contact.gif"
	offImgArray[6].src = "images/login.gif"
}

function imageOn(i) {
	if (document.images) {
		document.images["btn" + i].src = onImgArray[i].src
	}
}
function imageOff(i) {
	if (document.images) {
		document.images["btn" + i].src = offImgArray[i].src
	}
}
function thumbnailOn(i) {
	document.getElementById('thumbnail').innerHTML = '<div class="inner_thumbnail"><IMG SRC="files/videoimages/'+i+'_thumb.jpg" WIDTH="160" HEIGHT="120" STYLE="margin: 2px 2px;"></div>';
}
function thumbnailOff() {
	document.getElementById('thumbnail').innerHTML = '';
}
function thumbnailOn_bu(i) {
	document.getElementById('thumbnail').innerHTML = '<IMG SRC="files/videoimages/'+i+'_thumb.jpg" WIDTH="160" HEIGHT="120">';
	document.getElementById('description').innerHTML = descriptionArray[i];
}