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) {
		neighbor_01002 = newImage('img/maps/neighbor_01-02.gif');
		neighbor_01003 = newImage('img/maps/neighbor_01-03.gif');
		neighbor_01004 = newImage('img/maps/neighbor_01-04.gif');
		neighbor_01005 = newImage('img/maps/neighbor_01-05.gif');
		neighbor_01006 = newImage('img/maps/neighbor_01-06.gif');
		neighbor_01007 = newImage('img/maps/neighbor_01-07.gif');
		neighbor_01008 = newImage('img/maps/neighbor_01-08.gif');
		neighbor_01009 = newImage('img/maps/neighbor_01-09.gif');
		neighbor_01010 = newImage('img/maps/neighbor_01-10.gif');
		neighbor_01011 = newImage('img/maps/neighbor_01-11.gif');
		neighbor_01012 = newImage('img/maps/neighbor_01-12.gif');
		preloadFlag = true;
	}
}