var newwindow = '';

function openWindow(item) {
  var url = item.href;
  var myWidth, myHeight, myLeft, myTop;
  myWidth = 640; 
  myHeight = 480;
  myLeft = window.screen.width - myWidth - 20;
  myTop = window.screen.height - myHeight - 20;

  if (!newwindow.closed && newwindow.location) {
  	newwindow.location.href = url;
  } else {
    newwindow = window.open(url,'details','left='+myLeft+',top='+myTop+',width='+myWidth+',height='+myHeight+',resizable=yes,scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no');
  	if (!newwindow.opener) newwindow.opener = self;
  }
  if (window.focus) {newwindow.focus()}
  return false;
}

function hideObj(item) {
	var obj = document.getElementById(item);
	obj.style.display = "none";
}