// holds an instance of XMLHttpRequest
var xmlHttp = createXmlHttpRequestObject();

// creates an XMLHttpRequest instance
function createXmlHttpRequestObject() 
{
  // will store the reference to the XMLHttpRequest object
  var xmlHttp;
  // this should work for all browsers except IE6 and older
  try
  {
    // try to create XMLHttpRequest object
    xmlHttp = new XMLHttpRequest();
  }
  catch(e)
  {
    // assume IE6 or older
    var XmlHttpVersions = new Array("MSXML2.XMLHTTP.6.0",
                                    "MSXML2.XMLHTTP.5.0",
                                    "MSXML2.XMLHTTP.4.0",
                                    "MSXML2.XMLHTTP.3.0",
                                    "MSXML2.XMLHTTP",
                                    "Microsoft.XMLHTTP");
    // try every prog id until one works
    for (var i=0; i<XmlHttpVersions.length && !xmlHttp; i++) 
    {
      try 
      { 
        // try to create XMLHttpRequest object
        xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
      } 
      catch (e) {}
    }
  }
  // return the created object or display an error message
  if (!xmlHttp)
    alert("Error creating the XMLHttpRequest object.");
  else 
    return xmlHttp;
}


// called to read a file from the server
function process(mode)
{
  // only continue if xmlHttp isn't void
  if (xmlHttp)
  {
    // try to connect to the server
    try
    {
		

		
		
		switch(mode)
			{
				case "step1":
						var days = document.getElementById('days').value;	
						var months=document.getElementById('months');
						var months_txt=months.options[months.selectedIndex].text 
						var years = document.getElementById('years').value;	
						var agree = document.getElementById('agree').checked;
						var blipfoto = document.getElementById('blipfoto').checked;
						var thirdparty = document.getElementById('thirdparty').checked;
					  // create the params string
					  var params = 
					  "mode=" + mode +
					  "&days=" + days +
					  "&months=" + months_txt +
					  "&years=" + years +
					  "&agree=" + agree + 
					  "&blipfoto=" + blipfoto +
					  "&thirdparty=" + thirdparty; 
				break;
				case "step2":
						var name = document.getElementById('name').value;	
						var email=document.getElementById('email').value;
						var confirm_email=document.getElementById('confirm_email').value;

					  // create the params string
					  var params = 
					  "mode=" + mode +
					  "&name=" + name +
					  "&email=" + email + 
					  "&confirm_email=" + confirm_email;
				break;
			}
		
		

	  
      // initiate reading the async.txt file from the server
      xmlHttp.open("GET", "ajax/legals_existing.php?" + params, true);
      xmlHttp.onreadystatechange = handleRequestStateChange;
      xmlHttp.send(null);
	  
    }
    // display the error in case of failure
    catch (e)
 
    {
      alert("Can't connect to server:\n" + e.toString());
    }
  }
}

// function that handles the HTTP response
function handleRequestStateChange() 
{
  // obtain a reference to the <div> element on the page
  myDiv = document.getElementById("popup_content");
  
  if (xmlHttp.readyState == 4) 
  {
    // continue only if HTTP status is "OK"
    if (xmlHttp.status == 200) 
    {
      try
      {
        // read the message from the server
        response = xmlHttp.responseText;
        // display the message 

        myDiv.innerHTML = response;
      }
      catch(e)
      {
        // display error message
        alert("Error reading the response: " + e.toString());
      }
    } 
    else
    {
      // display status message
      alert("There was a problem retrieving the data:\n" + 
            xmlHttp.statusText);
    }
  }
}