/*********************************************************
    JavaScript file for Vantageous Advertising Network
    Copyright (c) web.burza 2006.
*********************************************************/

var d = document,
    w = window,
    $  = new Function('x','return d.getElementById(x)');

var switch_setup = function() {
    if (!$('preview_handler')) return;
    var ph = $('preview_handler');
    ph.onclick = function() {
        switch_ad();
        return false;
    };
};

var switch_ad = function() {
    if (!$('sample_ad')) return;
    var sa = $('sample_ad'),
        anl = $('advertising_network_logo')
        ph = $('preview_handler');

    if (sa.style.display == 'block') {
        sa.style.display = 'none';
        anl.style.background = 'url(css/cssimg/van_h1_def.gif) no-repeat 0 0';
        ph.firstChild.nodeValue = 'View Sample Ad';
    } else {
        sa.style.display = 'block';
        anl.style.background = 'url(css/cssimg/van_h1_ad.gif) no-repeat 0 0';
        ph.firstChild.nodeValue = 'Hide Sample Ad';
    };
};

w.onload = switch_setup;