/* ---------------------------- */
/* 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 loadimg(){

}

function login() {
// Optional: Show a waiting message in the layer with ID ajax_response

document.getElementById('login_response').innerHTML = "<img src=\"include2/login/loadera32.gif\" border=\"0\" style=\"margin-top:-60px;position: relative;top:60px;\" />";

// Required: verify that all fileds is not empty. Use encodeURI() to solve some issues about character encoding.
var email = encodeURIComponent(document.getElementById('emailLogin').value);
var psw = encodeURIComponent(document.getElementById('pswLogin').value);
// Set te random number to add to URL request
nocache = Math.random();
// Pass the login variables like URL variable
http.open('get', 'include2/login/login.php?email='+email+'&psw='+psw+'&nocache = '+nocache);
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 = response;
			document.getElementById('login_form').innerHTML = '';
			document.getElementById('ssubmit_comment').innerHTML = '<br><input name="submit_comment" type="submit" value="Submit"/>';
			document.getElementById('ssubmit_comment').innerHTML = '<br><input name="submit_comment" type="submit" value="Submit"/>';
		}
	}
}