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) {
		interface3_03_over = newImage("../images/interface3_03-over.gif");
		interface3_05_over = newImage("../images/interface3_05-over.gif");
		interface3_11_over = newImage("../images/interface3_11-over.gif");
		interface3_12_over = newImage("../images/interface3_12-over.gif");
		interface3_13_over = newImage("../images/interface3_13-over.gif");
		interface3_14_over = newImage("../images/interface3_14-over.gif");
		interface3_15_over = newImage("../images/interface3_15-over.gif");
		interface3_16_over = newImage("../images/interface3_16-over.gif");
		interface3_17_over = newImage("../images/interface3_17-over.gif");
		interface3_18_over = newImage("../images/interface3_18-over.gif");
		interface3_19_over = newImage("../images/interface3_19-over.gif");
		preloadFlag = true;
	}
}