function details(a) {
	if(a != 'basic'){
		var basic = document.getElementById('basic');
		basic.style.display = 'none';
	}
	if(a != 'ultimate'){
		var ultimate = document.getElementById('ultimate');
		ultimate.style.display = 'none';
	}
	if(a != 'unlimited'){
		var unlimited = document.getElementById('unlimited');
		unlimited.style.display = 'none';
	}
	var package = document.getElementById(a);
	if(package.style.display == 'block')
		package.style.display = 'none';
	else
		package.style.display = 'block';
}





function openDemo(url, tbbDemo, w, h)
{

  w += 32;
  h += 96;
  wleft = (screen.width - w) / 2;
  wtop = (screen.height - h) / 2;
  var win = window.open(url,
    name,
    'width=' + w + ', height=' + h + ', ' +
    'left=' + wleft + ', top=' + wtop + ', ' +
    'location=no, menubar=no, ' +
    'status=no, toolbar=no, scrollbars=no, resizable=no');
  // Just in case width and height are ignored
  win.resizeTo(w, h);
  // Just in case left and top are ignored
  win.moveTo(wleft, wtop);
  win.focus();
}