function getHTTPObject() {
  var xmlhttp;
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
var http = getHTTPObject(); // We create the HTTP Object

function login()
{
	var of = document.getElementById('loginview').style.display;
	if(of == "block")
	{
		document.getElementById('loginview').style.display = 'none';
		document.getElementById('terminzusage').value = '';
		document.getElementById('terminabsage').value = '';
	}
	else
	{
		document.getElementById('loginview').style.display = 'block';
	}
	location.href='#oben';
}

function register()
{
	var settings="width=700,height=550,top=160,left=160,scrollbars=yes,location=no,directories=no,status=yes,menubar=no,toolbar=no,resizable=no,dependent=no";
	win=window.open(surl+"register","Registrieren",settings);
	win.focus();
}