// Quelle: http://www.devblog.de
// "Shoutbox als AJAX-Anwendung"
// Code darf frei verwendet werden

// globale Instanz von XMLHttpRequest
var xmlHttp = false;

// XMLHttpRequest-Instanz erstellen
// ... für Internet Explorer
try {
    xmlHttp  = new ActiveXObject("Msxml2.XMLHTTP");
} catch(e) {
    try {
        xmlHttp  = new ActiveXObject("Microsoft.XMLHTTP");
    } catch(e) {
        xmlHttp  = false;
    }
}
// ... für Mozilla, Opera und Safari
if (!xmlHttp  && typeof XMLHttpRequest != 'undefined') {
    xmlHttp = new XMLHttpRequest();
}

// aktuelle Daten laden
//loadData();

// alle 5 Sekunden neue Daten holen
setInterval("loadData()",5000);

function loadData()
{
 if (xmlHttp) {
     xmlHttp.open('GET', 'flashbox/getdata.php', true);
     xmlHttp.onreadystatechange = function () {
         if (xmlHttp.readyState == 4) {
             document.getElementById("asb_content").innerHTML = xmlHttp.responseText;
         }
     };
     xmlHttp.send(null);
 }
}

function saveData()
{
if (xmlHttp) {

	var themessage = "je bent wat vergeten:\n ";
	if (document.frmshoutbox.txtname.value=="") {
	themessage = themessage + " - naam\n";
	}
	if (document.frmshoutbox.txtmessage.value=="") {
	themessage = themessage + " -  bericht";
	}
	//alert if fields are empty and cancel form submit
	if (themessage == "je bent wat vergeten:\n ") 
		{
		xmlHttp.open('POST', 'flashbox/setdata.php');
		xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		xmlHttp.send('name='+document.frmshoutbox.txtname.value+'&message='+document.frmshoutbox.txtmessage.value);
		}
		else {
		alert(themessage);
		return false;
	}
}

// Message-Eingabefelder leeren und Focus setzen
document.frmshoutbox.txtmessage.value = '';
document.frmshoutbox.txtmessage.focus();
}

//  End -->