function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		m_top_over = newImage("image/m_top-over.gif");
		m_menu_over = newImage("image/m_menu-over.gif");
		m_access_over = newImage("image/m_access-over.gif");
		m_info_over = newImage("image/m_info-over.gif");
		m_fiji_over = newImage("image/m_fiji-over.gif");
		m_garrary_over = newImage("image/m_garrary-over.gif");
		m_link_over = newImage("image/m_link-over.gif");
		preloadFlag = true;
	}
}