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) {
		menu_all = newImage("images/menu_icon_all_on.gif");
		menu_cinema = newImage("images/menu_icon_cinema_on.gif");
		menu_press = newImage("images/menu_icon_press_on.gif");
		menu_awards = newImage("images/menu_icon_awards_on.gif");
		menu_sonycinealta = newImage("images/menu_icon_sonycinealta_on.gif");
		menu_screening = newImage("images/menu_icon_screening_on.gif");
		menu_contact = newImage("images/menu_icon_contact_on.gif");
		preloadFlag = true;
	}
}