var http_content = null;

if (window.XMLHttpRequest)
{
    http_content = new XMLHttpRequest();
    http_menu = new XMLHttpRequest();
    http_gemeinde = new XMLHttpRequest();
    http = new XMLHttpRequest();
    if(navigator.appName=='Microsoft Internet Explorer') browser = 2; else browser = 1;
}
else if (window.ActiveXObject)
{
    try
    {
        http_content = new ActiveXObject("Msxml2.XMLHTTP");
        http_menu = new ActiveXObject("Msxml2.XMLHTTP");
        http_gemeinde = new ActiveXObject("Msxml2.XMLHTTP");
        http = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e)
    {
        try
        {
            http_content = new ActiveXObject("Microsoft.XMLHTTP");
            http_menu = new ActiveXObject("Microsoft.XMLHTTP");
            http_gemeinde = new ActiveXObject("Microsoft.XMLHTTP");
            http = new ActiveXObject("Microsoft.XMLHTTP");
        }
        catch (e) {alert('kein object');}
    }
    browser = 2;
}


function put_into_cart(bestellnummer, anzahl) {
	if (http_content != null)
    {
       http_content.open("POST", "ajax_warenkorb.php", true);
       http_content.onreadystatechange = ajaxAusgabe;
       http_content.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
       http_content.send("bestellnummer="+bestellnummer+"&anzahl="+anzahl);
       document.getElementById('LoadMessage').style.display = "block";	
       document.getElementById('ajaxContent').style.display = "block";
       document.getElementById('ajaxContent').innerHTML = "<img src='/images/loading_dark.gif' border='0' style='margin-top:300px;'>";
    }
}

function put_into_cart_custom(bestellnummer, anzahl, laenge) {
	if (http_content != null)
    {
       http_content.open("POST", "ajax_warenkorb.php", true);
       http_content.onreadystatechange = ajaxAusgabe;
       http_content.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
       http_content.send("bestellnummer="+bestellnummer+"&anzahl="+anzahl+"&laenge="+laenge);
       document.getElementById('LoadMessage').style.display = "block";	
       document.getElementById('ajaxContent').style.display = "block";
       document.getElementById('ajaxContent').innerHTML = "<img src='/images/loading_dark.gif' border='0' style='margin-top:300px;'>";
    }
}


function ajaxAusgabe() {
  if (http_content.readyState == 4) {
    document.getElementById("ajaxContent").innerHTML = http_content.responseText;
  }
}


function continue_shopping() {
  document.getElementById('ajaxContent').style.display = "none";
  document.getElementById('LoadMessage').style.display = "none";	
}

function number_check(feld) {
	  var eingabe = feld.value;
	  var erlaubt = '0123456789';
	  for (i=0;i <= eingabe.length; i++) {
	    if (erlaubt.indexOf(eingabe.charAt(i)) < 0  ) {
	      feld.value = feld.value.replace(eingabe.charAt(i), ""); 
	    } 
	  }
	}