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) {
		photoloftson = newImage("images_index/photo-lofts-on.jpg");
		photoloftson = newImage("images_index/photo-lofts-out.jpg");
		photoaptson = newImage("images_index/photo-apts-on.jpg");
		photoaptson = newImage("images_index/photo-apts-out.jpg");
		photohomeson = newImage("images_index/photo-homes-on.jpg");
		photohomeson = newImage("images_index/photo-homes-out.jpg");
		photocommercialon = newImage("images_index/photo-commercial-out.jpg");
		photocommercialon = newImage("images_index/photo-commercial-on.jpg");

		preloadFlag = true;
	}
}


function preloadLoftImages() {
	if (document.images) {
		arcade = newImage("lofts/images/arcade2.jpg");
		leathertrades = newImage("lofts/images/LeatherTrades3.jpg");
		charleston = newImage("lofts/images/charleston.jpg");
		dorsa = newImage("lofts/images/dorsa.jpg");
		bankers = newImage("lofts/images/bankers2.jpg");
		completed = newImage("lofts/images/completed2.jpg");
		laurel = newImage("lofts/images/laurel2.jpg");

		preloadFlag = true;
	}
}