if (document.images) {

	homeOff = new Image
	homeOn = new Image
	copyrightinformationOff = new Image
	copyrightinformationOn = new Image
	servicesOff = new Image
	servicesOn = new Image
	merchandiseOff = new Image
	merchandiseOn = new Image
	theinstituteOff = new Image
	theinstituteOn = new Image
	contactOff = new Image
	contactOn = new Image

	homeOff.src = "../images/navbar/home.gif"
	homeOn.src = "../images/navbar/home_over.gif"
	copyrightinformationOff.src = "../images/navbar/copyrightinformation.gif"
	copyrightinformationOn.src = "../images/navbar/copyrightinformation_over.gif"
	servicesOff.src = "../images/navbar/services.gif"
	servicesOn.src = "../images/navbar/services_over.gif"
	merchandiseOff.src = "../images/navbar/merchandise.gif"
	merchandiseOn.src = "../images/navbar/merchandise_over.gif"
	theinstituteOff.src = "../images/navbar/theinstitute.gif"
	theinstituteOn.src = "../images/navbar/theinstitute_over.gif"
	contactOff.src = "../images/navbar/contact.gif"
	contactOn.src = "../images/navbar/contact_over.gif"
}

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