/** General dhtm js library. Contains cross browser functions
  * 
  *  author: Gabor Tordai 
  */

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