// JavaScript Document

var sub_but = new Image();

var rollovers_count = 5;

var filenames_off = new Array;

filenames_off[0] = "images/buttons/onas.gif";
filenames_off[1] = "images/buttons/menu.gif";
filenames_off[2] = "images/buttons/dyskoteka.gif";
filenames_off[3] = "images/buttons/galeria.gif";
filenames_off[4] = "images/buttons/kontakt.gif";


var filenames_on = new Array;

filenames_on[0] = "images/buttons/onas1.gif";
filenames_on[1] = "images/buttons/menu1.gif";
filenames_on[2] = "images/buttons/dyskoteka1.gif";
filenames_on[3] = "images/buttons/galeria1.gif";
filenames_on[4] = "images/buttons/kontakt1.gif";


var images_off = new Array;
var images_on  = new Array;

var images_loaded = false;

function rollover_on(AElementID, AImageNo)
{
    if (images_loaded) {
        var el = document.getElementById(AElementID);
        el.src = filenames_on[AImageNo];
    }
}

function rollover_off(AElementID, AImageNo)
{
    if (images_loaded) {
        var el = document.getElementById(AElementID);
        el.src = filenames_off[AImageNo];
    }
}

function preload()
{
    for (i = 0; i < rollovers_count; i++) {
    
        images_off[i] = new Image();
        images_off[i].src = filenames_off[i];
        
        images_on[i] = new Image();
        images_on[i].src = filenames_on[i];
        
    }
    
    images_loaded = true;      
}