function logga_in() {
  
  
  var user = document.getElementById("username").value;
  var pass = document.getElementById("password").value;
  
  if(user.length > 1 && pass.length > 1)
  {
  
    document.getElementById("loggain").disabled = true;
    document.getElementById("username").disabled = true;
    document.getElementById("password").disabled = true;
    
    
  try {
    var radio = document.getElementById("radio0").checked;
    if(radio == true){
      radio = 1;
    }
    else
    {
      radio = 0;
    }
  }
  catch(e)
  {
    var radio = 0
  }

    
    
    var parameters = 'user=' + escape(user) +'&pass=' + escape(pass.replace(/\+/g, '(plus)')) +'&radio=' + escape(radio) + '&rand=' + Math.random();

    if(window.XMLHttpRequest)
    {
      request = new XMLHttpRequest();
    }
    else
    {
      request = new ActiveXObject("Microsoft.XMLHTTP");
    }
    
    request.onreadystatechange = go;
    request.open('POST', 'ajax_login.php', true);
    request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    request.setRequestHeader("Content-length", parameters.length);
    request.setRequestHeader("Connection", "close");
    request.send(parameters);
    
  }
}

function go() {
  if (request.readyState == 4) {
	  if (request.status == 200) {
      
      var ar = request.responseText.replace(/^\s+|\s+$/g, '');
        
      if(ar == '1')
      {
        document.form1.submit();
        document.location.href = 'uppladdat.php';
      }
      else
      {        
        document.getElementById("username").disabled = false;
        document.getElementById("password").disabled = false;
        document.getElementById("loggain").disabled = false;
        document.getElementById("password").value ='';
        
        document.getElementById("errstatus").innerHTML = ar;
      }
	  }
  }
}