function initBorder() {

    if(document.getElementById("catch").offsetWidth == 2) {

        var base = document.getElementById('base');

        var border = {
            content: [0, 8, 8, 8], offset: [0, -2, 7, -1],
            tr: [0, 0], br: [20, 15], bl: [19, 15], tl: [0, 0]
        };
        addCustomBorder(base.getAttribute('href') + "images/shadow.png", "main", "main", [101, 101], border);
    }
}
YAHOO.util.Event.addListener(window, 'load', initBorder);