if(document.images){

var offImgArray = new Array()
offImgArray["headcover"] = new Image
offImgArray["headcover"].src = "image_web/index_headcover_off.jpg"
offImgArray["electric"] = new Image
offImgArray["electric"].src = "image_web/index_electric_off.jpg"
offImgArray["buggy"] = new Image
offImgArray["buggy"].src = "image_web/index_buggy_off.jpg"
offImgArray["bag"] = new Image
offImgArray["bag"].src = "image_web/index_bag_off.jpg"
offImgArray["spike"] = new Image
offImgArray["spike"].src = "image_web/index_spike_off.jpg"

var onImgArray = new Array()
onImgArray["headcover"] = new Image
onImgArray["headcover"].src = "image_web/index_headcover.jpg"
onImgArray["electric"] = new Image
onImgArray["electric"].src = "image_web/index_electric.jpg"
onImgArray["buggy"] = new Image
onImgArray["buggy"].src = "image_web/index_buggy.jpg"
onImgArray["bag"] = new Image
onImgArray["bag"].src = "image_web/index_bag.jpg"
onImgArray["spike"] = new Image
onImgArray["spike"].src = "image_web/index_spike.jpg"
}

function imageOn(imgName) {
	if(document.images) {
		document.images[imgName].src = onImgArray[imgName].src
	}
}
function imageOff(imgName) {
	if(document.images) {
		document.images[imgName].src = offImgArray[imgName].src
	}
}
		
function setMsg(msg) {
	window.status = msg
	return true
}