function help_small(url) {
	var obj_calwindow = window.open(
		url,
		'Help', 'width=300,height=100' +
		',status=no,resizable=yes,top=200,left=200,dependent=yes,alwaysRaised=yes, scrollbars=yes'
	);
	obj_calwindow.opener = window;
	obj_calwindow.focus();
}
 function okno(nazwa,szer,wys)
 {
 window.open(nazwa,'','toolbar=no,scrollbars=no,resizable=no,status=no,location=no,directories=no,width='+eval(szer)+',height='+eval(wys)+',menubar=no');
 }
 
function site(url) 
{ 
document.location.href =url 
} 
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}