/* Fonctions Ajax
----------------------------------------*/

function file(fichier)
{
	if(window.XMLHttpRequest) // FIREFOX
	xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // IE
	xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else
	return(false);
	xhr_object.open("GET", fichier, false);
	xhr_object.send(null);
	if(xhr_object.readyState == 4) return(xhr_object.responseText);
	else return(false);
}



function inserer_msg_box()
{
	var msg = document.getElementById('msg_tchat');
	var auteur = document.getElementById('msg_auteur');
	if (auteur.value == "")
	{
		alert('Veuillez saisir un Pseudo');
		auteur.focus();
	}
	else if(msg.value == "")
	{
		alert('Veuillez saisir votre message');
		msg.focus();
	}	
	else
	{ 			
		url = 'ajax_inserer_msg.php?msg='+escape(msg.value)+'&auteur='+escape(auteur.value);
		texte = file(url);
		document.getElementById('tchat_msg_box').innerHTML = texte;
		msg.value = "";		
	}
}

function actualise_msg_box()
{
	url = 'ajax_actualiser_msg.php';
	texte = file(url);
	document.getElementById('tchat_msg_box').innerHTML = texte;
}

function valider_inscription()
{	
	var login = document.getElementById('log');
	var pwd = document.getElementById('password');
	var pwd2 = document.getElementById('password2');
	var nom = document.getElementById('nom');
	var prenom = document.getElementById('prenom');
	var pseudo = document.getElementById('pseudo');
	
	var verif = verifier_champs_inscription();
	
	if(verif)
	{	
		url = './ajax/inscription.php?log='+escape(login.value)+'&password='+escape(pwd.value)+'&nom='+escape(nom.value)+'&prenom='+escape(prenom.value)+'&pseudo='+escape(pseudo.value);
		texte = file(url);
		document.getElementById('inscription').innerHTML = texte;
	}
}

function afficher_contenu_ajax(id_post)
{
	url = 'ajax_afficher_contenu_ajax.php?id_post='+escape(id_post);
	texte = file(url);
	document.getElementById('contenuAj_'+id_post).innerHTML = texte;
	document.getElementById('close'+id_post).innerHTML = '<a href="#a" onclick="fermer_div_ajax('+id_post+')">Fermer</a>';
}

function fermer_div_ajax(id_post)
{
	document.getElementById('contenuAj_'+id_post).innerHTML = '';
	document.getElementById('close'+id_post).innerHTML = '';
}


/* Autre fonctions
-----------------------------------------*/

function VerifEmail(adresse)
{
	var place = adresse.indexOf("@",1);
	var point = adresse.indexOf(".",place+1);	

	if ((place > -1)&&(adresse.length >2)&&(point > 1))
	{
		return true;
	}
	else
	{
		return false;
	}
}

function fbs_click() 
{
	u=location.href;
	t=document.title;
	window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),'sharer','toolbar=0,status=0,width=626,height=436');
	return false;
}