function addQPLoadEvent(func) {
    var currentload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    }
    else {
        window.onload = function () {
            if (currentload) {
                currentload();
            }
            func();
        }
    }
};

//To support multiple qwidgets on a page, window.onload function is needed.
window.onload=function(){addQPLoadEvent (QwidgetBootStrap.embed())};