var spotlight_ids = [
    '',
    'spotlightnumberone',
    'spotlightnumbertwo',
    'spotlightnumberthree',
    'spotlightnumberfour',
    'spotlightnumberfive',
    'spotlightnumbersix',
    'spotlightnumberseven'
];

var spotlight_to_digit = {
    'spotlightnumberone' : 1,
    'spotlightnumbertwo' : 2,
    'spotlightnumberthree' : 3,
    'spotlightnumberfour' : 4,
    'spotlightnumberfive' : 5,
    'spotlightnumbersix' : 6,
    'spotlightnumberseven' : 7
}

var spotlight_urls = [
    '',
    '_images/spotlight/spotlight_body_one.jpg',
    '_images/spotlight/spotlight_body_two.jpg',
    '_images/spotlight/spotlight_body_three.jpg',
    '_images/spotlight/spotlight_body_four.jpg',
    '_images/spotlight/spotlight_body_five.jpg',
    '_images/spotlight/spotlight_body_six.jpg',
    '_images/spotlight/spotlight_body_seven.jpg'
];


function changeSpotlight(to_number) {
    if (!to_number || !spotlight_ids[to_number] || !spotlight_urls[to_number]) return;
    
    var new_selected_link = document.getElementById(spotlight_ids[to_number]);
    
    if (!new_selected_link) return;
    
    var number_links_container = document.getElementById('spotlightnumbernav');
    
    if (!number_links_container) return;
    
    var links = number_links_container.getElementsByTagName('a');
    
    var number_links = [];
    
    for (var i = 0; i < links.length; i++)
        if (links[i].id && spotlight_to_digit[links[i].id])
            number_links.push(links[i]);
    
    for (var i = 0; i < number_links.length; i++)
        number_links[i].className = '';
    
    new_selected_link.className = 'selected';
    
    if (document.getElementById('spotlightbody'))
        document.getElementById('spotlightbody').src = spotlight_urls[to_number];
    
}