function vote(id_cours, note) 
{
	
	$('#vote').html('Enregistrement du vote...');
	
	$.ajax({
	   type: "POST",
	   url: "/kernel/utils/ajax.php",
	   data: "a=vote&c=" + id_cours + "&n=" + note,
	   success: function(msg)
	   {
	     $('#vote').html('Merci d\'avoir voté !');
	   }
	 });
	
}

function focusNewsletter(textbox) 
{
	
	if (textbox.value == "s'abonner / se désabonner")
	{
		textbox.value = "";
	}
	
}

function lostFocusNewsletter(textbox) 
{

	if (textbox.value == "" || textbox.value == "Opération exécutée")
	{
		textbox.value = "s'abonner / se désabonner";
	}
	
}

function registerNewsletter(textbox)
{
	
	if (event.keyCode == 13)
	{
		$.ajax({
		   type: "POST",
		   url: "/kernel/utils/ajax.php",
		   data: "a=newsletter&m=" + textbox.value,
		   success: function(msg)
		   {
		     textbox.value = "Opération exécutée";
		   }
		 });
	}
	
}

function checkJoinForm()
{
	
	var correct = true;
	
	var firstname = $('#firstname');
	var lastname = $('#lastname');
	var mail = $('#mail');
	var languages = $('#languages');
	var motivation = $('#motivation');

	if (lastname.val() == "")
	{
		lastname.css('border', '1px solid red');
		correct = false;
	}
	else
	{
		lastname.css('border', '1px solid green');
	}
	
	if (firstname.val() == "")
	{
		firstname.css('border', '1px solid red');
		correct = false;
	}
	else
	{
		firstname.css('border', '1px solid green');
	}
	
	if (mail.val() == "")
	{
		mail.css('border', '1px solid red');
		correct = false;
	}
	else
	{
		mail.css('border', '1px solid green');
	}
	
	if (languages.val() == "")
	{
		languages.css('border', '1px solid red');
		correct = false;
	}
	else
	{
		languages.css('border', '1px solid green');
	}
	
	if (motivation.val() == "")
	{
		motivation.css('border', '1px solid red');
		correct = false;
	}
	else
	{
		motivation.css('border', '1px solid green');
	}
	
	return correct;
	
}

function checkCommentForm()
{
	
	var correct = true;
	
	var name = $('#name');
	var msg = $('#msg');
	var captcha = $('#captcha');

	if (name.val() == "")
	{
		name.css('border', '1px solid red');
		correct = false;
	}
	else 
	{
		name.css('border', '1px solid green');
	}
	
	if (msg.val() == "")
	{
		msg.css('border', '1px solid red');
		correct = false;
	}
	else
	{
		msg.css('border', '1px solid green');
	}
	
	if (captcha.val() != "64")
	{
		captcha.css('border', '1px solid red');
		correct = false;
	}
	else
	{
		captcha.css('border', '1px solid green');
	}
	
	return correct;
	
}