// JavaScript Document

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) {
		home_over 		= newImage("images/nav/home_over.jpg");
		homes_over 		= newImage("images/nav/homes_over.jpg");
		homesites_over 	= newImage("images/nav/homesites_over.jpg");
		restoration_over = newImage("images/nav/restoration_over.jpg");
		portfolio_over 	= newImage("images/nav/portfolio_over.jpg");
		contact_over 	= newImage("images/nav/contact_over.jpg");
		preloadFlag = true;
	}
}