var imagePath = "images/";
var arrayUnloaded = new Array("nav_home_over.png", "nav_menu_over.png", "nav_ontap_over.png", "nav_reservations_over.png", "nav_order_over.png", "nav_staff_over.png", "nav_press_over.png", "nav_calendar_over.png", "nav_directions_over.png");
var arrayLoaded = new Array();

function changeImages(theId, theState){
	if(theState == "over"){
		document.getElementById(theId).src = imagePath + theId + "_over" + ".png";
	}
	else if(theState == "out"){
		document.getElementById(theId).src = imagePath + theId + ".png";
	}
}

function preloadImages(){
	if(document.images){
		for(var i=0; i<arrayUnloaded.length; i++){
			arrayLoaded[i] = new Image();
			arrayLoaded[i].src = imagePath + arrayUnloaded[i];
		}
	}
}