function login() {
    var url = "lib/login.php";
    var dataString = "";
    dataString += "username="+$('#login_name').val()+"&password="+$('#passwd').val();
            $.ajax({
                url: url,
                type: "POST",
                data: dataString,
                cache: false,
                success: function(msg){
                           if (msg=="ok") { 
			document.location.reload(); } else { alert("contrasenya o nom d'usuari incorrectes"); } 
                },
               error: function (xhr, textStatus, thrownError){
                    alert('error '+xhr.status+' '+textStatus+' '+responseText);
                }
            });

}

function logout() {
  var url = "lib/logout.php";
    var dataString = "";
            $.ajax({
                url: url,
                type: "POST",
                data: dataString,
                cache: false,
                success: function(msg){
                          document.location.reload();
                }
            });

}


function loadGallery(aula) {
	loadURL('tpl/gallery.php?aula='+aula);

}

function openAlbum(album,dr_folder,aula) {
        loadURL('http://www.llarlestel.com/pares/galleriffic/galeria.php?album='+escape(album)+'&dr_folder='+dr_folder+'&aula='+aula);
}

	

function loadURL (url) {
    if (url.substr(0,4)=="http") {
                $("#contents").height('100%');
                $("#contents").html("<iframe id='externalurl_iframe' width='100%' height='100%' frameborder='0'></iframe>");
                $("#externalurl_iframe").attr("src",url);
        } else {
            $("#contents").load(url);
        }

    $("#content").show();
    // refreshUI();
}

function loadContents (page) {
    $("#content").load('content/'+page+".php");
    $("#content").show();
    // refreshUI();
}