// JavaScript Document

/* ---------------------------- */
/* XMLHTTPRequest Enable */
/* ---------------------------- */
function createObject() {
	var request_type;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		request_type = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		request_type = new XMLHttpRequest();
	}
	return request_type;
}

var http = createObject();


/* -------------------------- */
/* LOGIN */
/* -------------------------- */
/* Required: var nocache is a random number to add to request. This value solve an Internet Explorer cache issue */
var nocache = 0;
function login() {
	// Required: verify that all fileds is not empty. Use encodeURI() to solve some issues about character encoding.
	var email = encodeURI(document.getElementById('uid').value);
	var psw = encodeURI(document.getElementById('psw').value);
	// Set te random number to add to URL request
	nocache = Math.random();
	// Pass the login variables like URL variable
	var ts = 'scripts/procLogin.php?email='+email+'&psw='+psw+'&nocache = '+nocache;
	// Optional: Show a waiting message in the layer with ID ajax_response
	document.getElementById('login_response').innerHTML = "Loading..." + ts;

	http.open('get', ts);
	http.onreadystatechange = loginReply;
	http.send(null);
}

function loginReply() {
	if(http.readyState == 4){ 
		var response = http.responseText;
		if(response == 0){
		// if login fails
		document.getElementById('login_response').innerHTML = 'Login failed! Verify user and password';
	// else if login is ok show a message: "Welcome + the user name".
		} else {
			document.getElementById('login_response').innerHTML = 'Welcome'+response;
		}
	}
}

/* -------------------------- */
/* LOGIN */
/* -------------------------- */
/* Required: var nocache is a random number to add to request. This value solve an Internet Explorer cache issue */
var nocache = 0;
function createUser() {
	// Required: verify that all fileds is not empty. Use encodeURI() to solve some issues about character encoding.
	var email = encodeURI(document.getElementById('uid').value);
	var name = encodeURI(document.getElementById('name').value);
	var psw = encodeURI(document.getElementById('psw').value);
	// Set te random number to add to URL request
	nocache = Math.random();
	// Pass the login variables like URL variable
	var ts = 'scripts/procLogin.php?email='+email+'&psw='+psw+'&name='+name+'&nocache = '+nocache+'&create=1';
	// Optional: Show a waiting message in the layer with ID ajax_response
	document.getElementById('login_response').innerHTML = "Loading..." + ts;

	http.open('get', ts);
	http.onreadystatechange = createReply;
	http.send(null);
}

function createReply() {
	if(http.readyState == 4){ 
		var response = http.responseText;
		if(response == 0){
		// if login fails
		document.getElementById('login_response').innerHTML = 'Create failed! Verify user and password';
	// else if login is ok show a message: "Welcome + the user name".
		} else {
			document.getElementById('login_response').innerHTML = 'New User'+response;
		}
	}
}