if (document.images) {
		first = new Image
		two = new Image
		three = new Image

		first.src = "01.jpg"
		two.src = "PhxFirstAssembly01.jpg"
		three.src = "WrigleyMansion01.jpg"

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