if (document.images) {	
	quoteOff = new Image
	quoteOn = new Image
	bookOff = new Image
	bookOn = new Image
	contactOff = new Image
	contactOn = new Image
	accountOff = new Image
	accountOn = new Image
	
	chequeOff = new Image
	chequeOn = new Image
	brochureOff = new Image
	brochureOn = new Image
	termsOff = new Image
	termsOn = new Image
	
	quoteOff.src = "../images/quote-off.gif"
	quoteOn.src = "../images/quote-on.gif"
	bookOff.src = "../images/book-off.gif"
	bookOn.src = "../images/book-on.gif"
	contactOff.src = "../images/contact-off.gif"
	contactOn.src = "../images/contact-on.gif"
	accountOff.src = "../images/account-off.gif"
	accountOn.src = "../images/account-on.gif"
	
	chequeOff.src = "images/cheque-off.gif"
	chequeOn.src = "images/cheque-on.gif"
	brochureOff.src = "images/brochure-off.gif"
	brochureOn.src = "images/brochure-on.gif"
	termsOff.src = "images/terms-off.gif"
	termsOn.src = "images/terms-on.gif"
}

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