if (document.images) {
	schoolOff = new Image
	schoolOn = new Image
	admissionsOff = new Image
	admissionsOn = new Image
	pastoralOff = new Image
	pastoralOn = new Image
	academicOff = new Image
	academicOn = new Image
	creativeOff = new Image
	creativeOn = new Image
	sportsOff = new Image
	sportsOn = new Image
	outOff = new Image
	outOn = new Image
	newsOff = new Image
	newsOn = new Image
	contactOff = new Image
	contactOn = new Image

	schoolOff.src = "../../images/school-off.png"
	schoolOn.src = "../../images/school-on.png"
	admissionsOff.src = "../../images/admissions-off.png"
	admissionsOn.src = "../../images/admissions-on.png"
	pastoralOff.src = "../../images/pastoral-off.png"
	pastoralOn.src = "../../images/pastoral-on.png"
	academicOff.src = "../../images/academic-off.png"
	academicOn.src = "../../images/academic-on.png"
	creativeOff.src = "../../images/creative-off.png"
	creativeOn.src = "../../images/creative-on.png"
	sportsOff.src = "../../images/sports-off.png"
	sportsOn.src = "../../images/sports-on.png"
	outOff.src = "../../images/out-off.png"
	outOn.src = "../../images/out-on.png"
	newsOff.src = "../../images/news-off.png"
	newsOn.src = "../../images/news-on.png"
	contactOff.src = "../../images/contact-off.png"
	contactOn.src = "../../images/contact-on.png"
}

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