var preloadFlag = false;
var rootPath = '/';

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function preloadImages() {
	if (document.images) {
		menu0_over = newImage(rootPath+"images/menu0a.gif");
		menu1_over = newImage(rootPath+"images/menu1a.gif");
		menu2_over = newImage(rootPath+"images/menu2a.gif");
		menu3_over = newImage(rootPath+"images/menu3a.gif");
		menu4_over = newImage(rootPath+"images/menu4a.gif");
		preloadFlag = true;
	}
}

function changeImages_over() {
	if (document.images && (preloadFlag == true)) {
		document[changeImages_over.arguments[0]].src = changeImages_over.arguments[1];
	}
}

function changeImages_out() {
	if (document.images && (preloadFlag == true)) {
		document[changeImages_out.arguments[0]].src = changeImages_out.arguments[1];
	}
}