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

function debug(str){
    try{
        debug_el = document.getElementById('debug');
        debug_el.innerHTML = str + '<br />' + debug_el.innerHTML;
    }catch(e){
        // alert(e + ' --  please create a html element with id debug');
    }
}

function newPopup(url) {
	popupWindow = window.open(
		url,'popUpWindow','height=700,width=800,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=no,menubar=no,location=no,directories=no,status=yes')
}