log in to web app and return data to be saved in titanium app

login

//var win = Titanium.UI.currentWindow;
var currentWin = Ti.UI.currentWindow; 

// if successful login - save user data to database
function insertRows(dbData) {
	// call the database and table
	var db = Ti.Database.install('../myapp.sqlite','users');
	// call out the info to save then save it
	var theData = db.execute('INSERT INTO users (username, email) VALUES("'+name.value+'","'+email.value+'")');
	
	// run the db.execute line
	theData;
	// alert on success
	alert("Rows Inserted");

};

var username = Titanium.UI.createTextField({
	color:'#336699',
	top:10,
	left:10,
	width:300,
	height:40,
	hintText:'Username',
	keyboardType:Titanium.UI.KEYBOARD_DEFAULT,
	returnKeyType:Titanium.UI.RETURNKEY_DEFAULT,
	borderStyle:Titanium.UI.INPUT_BORDERSTYLE_ROUNDED
});
currentWin.add(username);

var password = Titanium.UI.createTextField({
	color:'#336699',
	top:60,
	left:10,
	width:300,
	height:40,
	hintText:'Password',
	passwordMask:true,
	keyboardType:Titanium.UI.KEYBOARD_DEFAULT,
	returnKeyType:Titanium.UI.RETURNKEY_DEFAULT,
	borderStyle:Titanium.UI.INPUT_BORDERSTYLE_ROUNDED
});
currentWin.add(password);

var loginBtn = Titanium.UI.createButton({
	title:'Login',
	top:110,
	width:90,
	height:35,
	borderRadius:1,
	font:{fontFamily:'Arial',fontWeight:'bold',fontSize:14}
});
currentWin.add(loginBtn);

var loginReq = Titanium.Network.createHTTPClient();

loginReq.onload = function()
{
	var json = this.responseText;
	var response = JSON.parse(json);
	
	// if we get a positive response from the server
	if (response.logged == true)  {
		// set the variables for our user db table
		var dbData = {
				name:response.name,
				email:response.email
				
		};
		// add the above var data to the table
		insertRows(dbData);
		
		// fire this alert as proof of what we are being returned
		//alert( response.name + response.email);
		
		username.blur();
		password.blur();
		Ti.App.fireEvent('grantEntrance', {
			name:response.name,
			email:response.email
			
		});
		//win.close();
	}
	// if the username pw combo returns false
	else
	{
		// alert(response.message + response.username + response.password);
                alert(response.message);
	}
};

loginBtn.addEventListener('click',function(e)
{
	if (username.value != '' && password.value != '')
	{
	// where are we sending the login credentials	
loginReq.open("POST","http://mysite.com/users/app_login");
              // what are we sending to the server
		var params = {
			username: username.value,
// hashed value
			//password: Ti.Utils.md5HexDigest(password.value)
// unhashed value
                        password: password.value
		};
		loginReq.send(params);
	}
	else
	{
		alert("Username/Password are required");
	}
});