function show(id) {
	obj = document.getElementById(id);
	obj.style.display='';
}
function hide(id) {	
	obj = document.getElementById(id);
	obj.style.display='none';
}
function hs(id) {
	if(document.getElementById(id).style.display=='none')
		show(id);
	else
		hide(id);
}

function show_h(id){show(id);}

function hide_h(id){hide(id);}

function createjsDOMenu() {
  menuBar = new jsDOMenuBar("absolute", true);
  with (menuBar) {
	  addMenuBarItem(new menuItem("Kalendarz MCS", "", "./calendar"));
  }
  menuBar.moveTo(0, 0);
}