//correspond à un import
document.write('<SCRIPT LANGUAGE="Javascript" src="functions/js/lib-ajax.js"></SCRIPT>');

function test_captcha()
{
	getXhr(); 
	xhr.onreadystatechange = function()
	{ 
		if (xhr.readyState == 4 && xhr.status == 200)
		{
			var reponse=xhr.responseText;
			if (reponse == 'false')
			{
				document.getElementById('good_code').style.display='block';
				document.getElementById('code').setAttribute('readonly', 'readonly');
				document.getElementById('validation').disabled = false;
				document.getElementById('captcha_reload').style.display='none';
			}
			//faire les tests de validation ;)
		}
	}
	var valeur;
	valeur=document.getElementById('code').value
	xhr.open("POST",'functions/php/test-captcha.php',true);
	xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	xhr.send("valeur="+valeur);
}

function reload_captcha()
{
   img = document.getElementById('img_captcha'); 
   //Change the image
   img.src = 'functions/php/captcha.php?'+ Math.random();
   document.getElementById('code').value = '';
   document.getElementById('good_code').style.display='none';
}

function limit_textarea(textarea, max)
{
    if(textarea.value.length >= max)
    {
        textarea.value = textarea.value.substring(0,max);
    }
    var reste = max - textarea.value.length;
    document.getElementById('max_desc').innerHTML = reste;
}