function initLayout() {
    var container = document.getElementById('container');
    var content = document.getElementById('content');
    var nav = document.getElementById('navigation');
    var navul = document.getElementById('ctl00_ctl00_menuMain');
    var cola = document.getElementById('columna');
    var colb = document.getElementById('columnb');

    if (navul != null) {
        navul = navul.firstChild;
        while (navul.nodeName != 'UL')
             navul = navul.nextSibling;
    }

    if (container != null && nav != null && navul != null) {
        var width = document.body.clientWidth;
        nav.style.width = navul.clientWidth + 'px';

        if (colb != null) {
            cola.style.width = (width - 180 - 200 - 20) + 'px';
        }
        else {
            cola.style.width = (width - 180 - 20) + 'px';
        }
    }

    document.body.style.visibility = 'visible';
}