var dw_Event = {  
add: function(obj, etype, fp, cap) {
	cap = cap || false;
	if (obj.addEventListener) obj.addEventListener(etype, fp, cap);
	else if (obj.attachEvent) obj.attachEvent("on" + etype, fp);
}, 
remove: function(obj, etype, fp, cap) {
	cap = cap || false;
	if (obj.removeEventListener) obj.removeEventListener(etype, fp, cap);
	else if (obj.detachEvent) obj.detachEvent("on" + etype, fp);
},     
DOMit: function(e) { 
	e = e? e: window.event;
	if (!e.target) e.target = e.srcElement;
	if (e.target.nodeType == 3) e.target = e.target.parentNode;
	if (!e.preventDefault) e.preventDefault = function () { e.returnValue = false; return false; }
	if (!e.stopPropagation) e.stopPropagation = function () { e.cancelBubble = true; }
	return e;
}}
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    //window.onload = func;
    window.onload = function() { func(); }
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }}}