/*
 * addLoadEvent
 *
 * Appends functions to window.onload, to allow multiple functions to be
 * executed.
 *
 * Created by GSJH 09-05-2007
 */
function addLoadEvent(func) {
    var oldOnLoad = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function() {
            oldOnLoad();
            func();
        }
    }
}