var imageArray=new Array();

function preload() {
	var args = preload.arguments; 
	for(i=0; i < args.length; i++) {
		imageArray[i]=new Image();
		imageArray[i].src=args[i];
	}
}

function rollover(menuItem, state) {
	imageID = "i_"+menuItem;
	menuID = "m_"+menuItem;
	submenu = document.getElementById(menuID);
	if(state == true) {
		document.images[imageID].src = "images/menu/" + menuItem + "_s.png";
		if(submenu) {
			submenu.style.display = "block";
		}
	}
	else {
		document.images[imageID].src = "images/menu/" + menuItem + ".png";
		if(submenu) {
			submenu.style.display = "none";
		}
	}
}

preload("images/menu/home_s.png",
        "images/menu/house_s.png",
		"images/menu/location_s.png",
		"images/menu/contact_s.png");