var rollovers_count = 12;

var filenames_off = new Array;

filenames_off[0] = "../bgnd/b_1_o.gif";
filenames_off[1] = "../bgnd/b_2_o.gif";
filenames_off[2] = "../bgnd/b_3_o.gif";
filenames_off[3] = "../bgnd/b_4_o.gif";
filenames_off[4] = "../bgnd/b_5_o.gif";
filenames_off[5] = "../bgnd/b_6_o.gif";;
filenames_off[6] = "../bgnd/b_7_o.gif";
filenames_off[7] = "../bgnd/b_8_o.gif";
filenames_off[8] = "../bgnd/b_9_o.gif";
filenames_off[9] = "../bgnd/b_10_o.gif";
filenames_off[10] = "../bgnd/b_11_o.gif";
filenames_off[11] = "../bgnd/logo.gif";

var filenames_on = new Array;

filenames_on[0] = "../bgnd/b_1.gif";
filenames_on[1] = "../bgnd/b_2.gif";
filenames_on[2] = "../bgnd/b_3.gif";
filenames_on[3] = "../bgnd/b_4.gif";
filenames_on[4] = "../bgnd/b_5.gif";
filenames_on[5] = "../bgnd/b_6.gif";
filenames_on[6] = "../bgnd/b_7.gif";
filenames_on[7] = "../bgnd/b_8.gif";
filenames_on[8] = "../bgnd/b_9.gif";
filenames_on[9] = "../bgnd/b_10.gif";
filenames_on[10] = "../bgnd/b_11.gif";
filenames_on[11] = "../bgnd/logo.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;      
}