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

function startSlideshow() {
initSlideShow($('mySlideshow'), mySlideData);
}
addLoadEvent(startSlideshow);