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 preloadImages2() {
	if (document.images) {
		image_name = newImage("images/info-winch.jpg");
		image_name = newImage("images/info-refuelling.jpg");
		image_name = newImage("images/info-panels.jpg");
		image_name = newImage("images/info-handwash.jpg");
		image_name = newImage("images/info-frontlocker.jpg");
		image_name = newImage("images/info-bellylocker.jpg");
		image_name = newImage("images/info-3rdramp.jpg");
		image_name = newImage("images/info-fullair.jpg");
		preloadFlag = true;
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		image_name = newImage("images/spacer.gif");
		preloadFlag = true;
	}
}