function popUp(id) {
  var options = "width=424,height=540,screenX=0,screenY=0";
  options += "resizable=yes,scrollbars=no,status=yes,";
  options += "menubar=no,toolbar=no,location=no,directories=no";
  var popwin = window.open(id, 'popwin', options);
  popwin.focus();
}

function openTree(id) {
	var d = document.getElementById(id);
	
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
	}
	
	if (d) {
		d.style.display='block';
	}
}

window.onload = openTree;