/* begin preloading images */
var movieImages = new Array(7);

for (var i = 1; i <= 7; ++i) {
    movieImages[i - 1] = new Image();
    movieImages[i - 1].src = '/upload/images/i/howimg_' + i + '.gif';
}
/* end preloading images */

function hideFlash()
{
    var flash = document.getElementById('flash');
    flash && (flash.parentNode.style.display = 'none');
}

function showFlash()
{
    var flash = document.getElementById('flash');
    flash && (flash.parentNode.style.display = 'block');
}

function hideImage()
{
    var image = document.getElementById('image');
    image && (image.style.display = 'none');
}

function showImage()
{
    var image = document.getElementById('image');
    image && (image.style.display = 'block');
}