// JavaScript Document

/* Fontion d'initialisation de l'objet XHR*/
function createXHR() 
{
    var request = false;
        try {
            request = new ActiveXObject('Msxml2.XMLHTTP');
        }
        catch (err2) {
            try {
                request = new ActiveXObject('Microsoft.XMLHTTP');
            }
            catch (err3) {
		try {
			request = new XMLHttpRequest();
		}
		catch (err1) 
		{
			// XMLHttpRequest non supporte par le navigateur 
			alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
			request = false;
		}
            }
        }
	
    return request;
}

function ajouterElementFiltre(id,id_dest){
var xhr = createXHR();
var url = '/include/ajax/ajax_ajout_' + id_dest + '.php';
if(id!="0"){
    xhr.open("POST", url, true);
    xhr.onreadystatechange = function handleHttpResponse() {
	  if (xhr.readyState == 4 && xhr.status == 200) {
	  results = xhr.responseText;
	  document.getElementById(id_dest).innerHTML = results;
	  }
	  else{
	  //alert("C'est pas en ready state=4 c'est en readystate=" + xhr.readyState);
	  }
	};
	xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    xhr.send("id=" + id);
    }
}

function supprimerElementFiltre(cle,id_dest){
var xhr = createXHR();
var url = '/include/ajax/ajax_suppr_' + id_dest + '.php';
    xhr.open("POST", url, true);
    xhr.onreadystatechange = function handleHttpResponse() {
	  if (xhr.readyState == 4 && xhr.status == 200) {
	  results = xhr.responseText;
	  document.getElementById(id_dest).innerHTML = results;
	  }
	  else{
	  //alert("C'est pas en ready state=4 c'est en readystate=" + xhr.readyState);
	  }
	};
	xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    xhr.send("cle=" + cle);
}

function rechercherAuteur(chaine,id_dest){

var xhr = createXHR();
var url = '/include/ajax/ajax_recherche_auteur.php';
    xhr.open("POST", url, true);
    xhr.onreadystatechange = function handleHttpResponse() {
	  if (xhr.readyState == 4 && xhr.status == 200) {
	  results = xhr.responseText;
	  	if(chaine==""){
	  	document.getElementById('suggestions').style.visibility = 'hidden';
	  	}
	  	else{
	  	document.getElementById('suggestions').style.visibility = 'visible';
	  	}
	  document.getElementById(id_dest).innerHTML = results;
	  }
	  else{
	  //alert("C'est pas en ready state=4 c'est en readystate=" + xhr.readyState);
	  }
	};
	xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    xhr.send("chaine=" + chaine);
}

function validerSuggestion(id,id_dest){
var xhr = createXHR();
var url = '/include/ajax/ajax_valider_suggestion.php';
    xhr.open("POST", url, true);
    xhr.onreadystatechange = function handleHttpResponse() {
	  if (xhr.readyState == 4 && xhr.status == 200) {
	  results = xhr.responseText;
	  document.getElementById('suggestions').style.visibility = 'hidden';
	  document.getElementById('auteur').value = '';
	  document.getElementById(id_dest).innerHTML = results;
	  }
	  else{
	  //alert("C'est pas en ready state=4 c'est en readystate=" + xhr.readyState);
	  }
	};
	xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    xhr.send("id=" + id);
}