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) {

		homepage01a = newImage("images/homepage01a.jpg");

		homepage02a = newImage("images/homepage02a.jpg");

		homepage03a = newImage("images/homepage03a.jpg");

		homepage04a = newImage("images/homepage04a.jpg");

		homepage05a = newImage("images/homepage05a.jpg");

		preloadFlag = true;

	}

}