function setLayoutHeight()
{
    var root = document.getElementById('root'),
        height = root.clientHeight;

    /*
    var shadow_left = document.createElement('div'),
        shadow_right = document.createElement('div');
    shadow_left.setAttribute('id', 'shadow_left');
    shadow_right.setAttribute('id', 'shadow_right');
    shadow_left.setAttribute('class', 'layout_shadow left');
    shadow_right.setAttribute('class', 'layout_shadow right');
    document.body.insertBefore(shadow_left, root);
    document.body.insertBefore(shadow_right, shadow_left);
    */

    document.getElementById('shadow_left').style.height = height + 'px';
    document.getElementById('shadow_right').style.height = height + 'px';
}