// CREATING THE REQUEST

var root = '/milesandmore/';

function createRequestObject()

{

	try

	{

		xmlhttp = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");

	}

	catch(e)

	{

		alert('Sorry, but your browser doesn\'t support XMLHttpRequest.');

	}

	return xmlhttp;

}



var http = createRequestObject();

var sess = createRequestObject();



// IMAGE REFRESHING



function refreshimg()

{

	var url = root + 'captcha/image_req.php';

	dorefresh(url, displayimg);

}



function dorefresh(url, callback)

{

	sess.open('POST', root + 'captcha/newsession.php', true);

	sess.send(null);

	http.open('POST', url, true);

	http.onreadystatechange = displayimg;

	http.send(null);

}



function displayimg()

{

	if(http.readyState == 4)

	{

		var showimage = http.responseText;

		document.getElementById('captchaimage').innerHTML = showimage;

	}

}



// SUBMISSION



function check()

{

	var submission = document.getElementById('captcha').value;

	var url = root + 'captcha/process.php?captcha=' + submission;

	docheck(url, displaycheck);

}



function docheck(url, callback)

{

	http.open('GET', url, true);

	http.onreadystatechange = displaycheck;

	http.send(null);

}



function displaycheck()

{

	if(http.readyState == 4)

	{

		var showcheck = http.responseText;

		if(showcheck == '1')

		{

			document.getElementById('captcha').style.border = '0px solid #49c24f';

			document.getElementById('captcha').style.background = '#bcffbf';
			
			document.form.submit();

		}

		if(showcheck == '0')

		{

			document.getElementById('captcha').style.border = '0px solid #c24949';

			document.getElementById('captcha').style.background = '#ffbcbc';

			alert('Codul de validare nu este corect introdus!');

		}

	}

}