if (document.images) {
		homeTab = new Image
		aboutTab = new Image
		photosTab = new Image
		contactTab = new Image

		homeTab.src = "images/index05over.jpg"
		aboutTab.src = "images/index06over.jpg"
		photosTab.src = "images/index07over.jpg"
		contactTab.src = "images/index08over.jpg"
		
		homeTabOff = new Image
		aboutTabOff = new Image
		photosTabOff = new Image
		contactTabOff = new Image
		
		homeTabOff.src = "images/index05.jpg"
		aboutTabOff.src = "images/index06.jpg"
		photosTabOff.src = "images/index07.jpg"
		contactTabOff.src = "images/index08.jpg"
	}
	
	function chgImg(imgField,newImg) {
		if (document.images) {
			document[imgField].src= eval(newImg + ".src")
		}
	}