if (document.images) {
	calOff = new Image
	calOn = new Image
	mhnewsOff = new Image
	mhnewsOn = new Image
	awardsOff = new Image
	awardsOn = new Image

	calOff.src = "../images/left-ct-calendar-off.png"
	calOn.src = "../images/left-ct-calendar-on.png"
	mhnewsOff.src = "../images/left-ct-news-off.png"
	mhnewsOn.src = "../images/left-ct-news-on.png"
	awardsOff.src = "../images/left-ct-awards-off.png"
	awardsOn.src = "../images/left-ct-awards-on.png"
}

function chgImg(imgField,newImg) {
	if (document.images) {
		document[imgField].src= eval(newImg + ".src")
	}
}