//ajax

function getXmlHttpRequestObject() 
{
	if (window.XMLHttpRequest) 
	{
		return new XMLHttpRequest(); //Not IE
	} 
	else if(window.ActiveXObject) 
	{
		return new ActiveXObject("Microsoft.XMLHTTP"); //IE
	} 
	else 
	{
		alert("Your browser doesn't support the XmlHttpRequest object.  Better upgrade to Firefox.");
	}
}			

var http = getXmlHttpRequestObject();

function login(lnk) 
{
  if(document.getElementById('user').value=="" && document.getElementById('pass').value=="") error=1;  
  else error=0;
  if(error==0) {
	  http.open('get', url_base+'login.php?lnk='+lnk+'&user='+document.getElementById('user').value+'&pass='+document.getElementById('pass').value, true);
	  document.getElementById('login-box').innerHTML='<div align="center"><img src="'+url_base+'images/loading2.gif"></div>';
	  http.onreadystatechange = handleResponse_login;
	  http.send(null);
  } else {
	  alert("Completati campurile corect!");  
  }
}

function handleResponse_login() 
{
  if(http.readyState == 4)
  {
	  var response = http.responseText;
	  document.getElementById('login-box').innerHTML = response;
  }
}