if (document.images) {
		firm = new Image
		projects = new Image
		contact = new Image

		firmOff = new Image
		projectsOff = new Image
		contactOff = new Image

		firmOffHover = new Image
		projectsOffHover = new Image
		contactOffHover = new Image


		firm.src = "../common_images/navigation/firm.gif"
		projects.src = "../common_images/navigation/projects.gif"
		contact.src = "../common_images/navigation/contact.gif"

		firmOff.src = "../common_images/navigation/firmOff.gif"
		projectsOff.src = "../common_images/navigation/projectsOff.gif"
		contactOff.src = "../common_images/navigation/contactOff.gif"

		firmOffHover.src = "../common_images/navigation/firmOffHover.gif"
		projectsOffHover.src = "../common_images/navigation/projectsOffHover.gif"
		contactOffHover.src = "../common_images/navigation/contactOffHover.gif"

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