/**
 * collect onload directives from various scripts / sources,
 * i.e. rteditor, yui enhancements etc.
 */
function registerOnLoad(fnc) {
  if (typeof window.onload != 'function') {
    window.onload = fnc;
  } else {
    var oldload = window.onload;
    window.onload = function() {
      oldload();
      fnc();
    }
  }
}