//Globale Variablen
var shopping_cart;

//Initialisierung
function initAjaxOrder()
{
	shopping_cart = document.getElementById("shopping_cart");
	getShoppingCart ();
}

//Warenkorb laden
function getShoppingCart ()
{
  //show_cart.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="html_order/show_cart.php";
  myAjax.params="width="+width;
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	  shopping_cart.innerHTML= txt;
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}

function checkSession()
{
  var myAjax = new Ajax();
  myAjax.method="GET";
  myAjax.url="../html_order/check_session.php";
    
    myAjax.onSuccess = function(txt,xml) {

        if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	if(txt == "session_expired")
    	{
			window.location.href='http://' + hostname + '/index.php?action=session_info';
 		}
 	}

  }
   
  myAjax.onError = seErrorHandler;
  
   
  myAjax.doRequest();

}

function changeShippingCosts (select)
{
  var shipping_country = select.options[select.options.selectedIndex].value;

  //show_cart.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="html_order/show_cart.php";
  myAjax.params="width="+width+"&shipping_country="+shipping_country;
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	  shopping_cart.innerHTML= txt;
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}


//Artikel aus Warenkorb entfernen
function removeItem (artid)
{
  //cart_change.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="GET";
  myAjax.url="html_order/cart_change.php";
  myAjax.params="itemid="+artid + "&actiontype=3"  ;
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	//Warenkorb aktualiseren
    	 getShoppingCart ();
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}


//Warenkorb aktualiseren
function updateCart (itemcount)
{
  //cart_change.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="GET";
  myAjax.url="html_order/cart_change.php";
  for(var i=0;i<itemcount;i++)
  {
  	myAjax.params += "&pos" + i + "=" + document.getElementById("pos"+i).value;
  }
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	//Warenkorb aktualiseren
    	 getShoppingCart ();
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}

//Flag für Merkliste setzen
function setInformAvailability(artid)
{
	if(document.getElementById('inform_availability'+artid).checked)
	{
		avail = document.getElementById('inform_availability'+artid).value;	
	}
	else
	{
		avail = 'no';
	}

  //set_inform_availability.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="GET";
  myAjax.url="html_order/set_inform_availability.php";
  myAjax.params="artid="+artid + "&inform_availability=" + avail;
    
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}


//Eingabemakse für Kundendaten laden
function getCustomerInfos ()
{
  //get_customer_infos.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="html_order/get_customer_infos.php";
  myAjax.params="width="+width;
  if(document.getElementById('str_shipping_country'))
  {
 	 myAjax.params += "&str_shipping_country="+document.getElementById('str_shipping_country').value;
  }
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	  shopping_cart.innerHTML= txt;
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}

//Eingabemakse für Lieferadresse laden
function getDeliveryAddress (view)
{
	var check = true;
	if(view == 'no_sales')
	{
		if (document.getElementById('str_firstname').value == ""){
		var str_Variable2="Please insert your first name.";
		alert (str_Variable2);
		document.getElementById('str_firstname').focus();
		check = false;
		return check;}
		if (document.getElementById('str_lastname').value == ""){
		var str_Variable1="Please insert your name.";
		alert (str_Variable1);
		document.getElementById('str_lastname').focus(); //Cursor in Feld für Namenseingabe
		check = false;
		return check;}
		if (document.getElementById('str_email').value == ""){
		var str_Variable7="Please insert your email address.";
		alert (str_Variable7);
		document.getElementById('str_email').focus();
		check = false;
		return check;}			
	}
	else
	{
		if (document.getElementById('str_firstname').value == ""){
		var str_Variable2="Please insert your first name.";
		alert (str_Variable2);
		document.getElementById('str_firstname').focus();
		check = false;
		return check;}
		if (document.getElementById('str_lastname').value == ""){
		var str_Variable1="Please insert your name.";
		alert (str_Variable1);
		document.getElementById('str_lastname').focus(); //Cursor in Feld für Namenseingabe
		check = false;
		return check;}
		if (document.getElementById('str_street').value == ""){
		var str_Variable3="Please insert your street.";
		alert (str_Variable3);
		document.getElementById('str_street').focus();
		check = false;
		return check;}
		if (document.getElementById('str_postcode').value == ""){
		var str_Variable5="Please insert your postcode.";
		alert (str_Variable5);
		document.getElementById('str_postcode').focus();
		check = false;
		return check;}
		if (document.getElementById('str_city').value == ""){
		var str_Variable6="Please insert your city.";
		alert (str_Variable6);
		document.getElementById('str_city').focus();
		check = false;
		return check;}
		if (document.getElementById('str_country').value == ""){
		var str_Variable7="Please choose your country.";
		alert (str_Variable7);
		document.getElementById('str_country').focus();
		check = false;
		return check;}
		if (document.getElementById('str_email').value == ""){
		var str_Variable7="Please insert your email address.";
		alert (str_Variable7);
		document.getElementById('str_email').focus();
		check = false;
		return check;}
	}
	
		if(check == true)
	{

	  //get_customer_delivery_address.php via AJAX aufrufen
	  var myAjax = new Ajax();
	  myAjax.method="POST";
	  myAjax.url="html_order/get_customer_delivery_address.php";
	  myAjax.params ="&str_firstname=" + encodeURIComponent(document.getElementById('str_firstname').value) + "&width="+width;
	  myAjax.params +="&str_lastname=" + encodeURIComponent(document.getElementById('str_lastname').value);
	  
	  if(view != 'no_sales')
	  {
		  myAjax.params +="&str_company=" + encodeURIComponent(document.getElementById('str_company').value);
		  myAjax.params +="&str_street=" + encodeURIComponent(document.getElementById('str_street').value);
		  myAjax.params +="&str_postcode=" + encodeURIComponent(document.getElementById('str_postcode').value);	  
		  myAjax.params +="&str_city=" + encodeURIComponent(document.getElementById('str_city').value);
		  myAjax.params +="&str_country=" + encodeURIComponent(document.getElementById('str_country').value);	  	  
		  myAjax.params +="&str_phone=" + encodeURIComponent(document.getElementById('str_phone').value);
		  myAjax.params +="&str_fax=" + encodeURIComponent(document.getElementById('str_fax').value);
	 	 myAjax.params +="&str_vatid=" + encodeURIComponent(document.getElementById('str_vatid').value);		  
	  }
	  myAjax.params +="&str_email=" + encodeURIComponent(document.getElementById('str_email').value);
	  myAjax.params +="&str_corr_language=" + encodeURIComponent(document.getElementById('str_corr_language').value);
	  // myAjax.params +="&str_steuernr=" + encodeURIComponent(document.getElementById('str_steuernr').value);  	  	  	  	  	  	  	  
	  	  
	  //Response war erfolgreich
	  myAjax.onSuccess = function(txt,xml) {
	
		//Lieferte Das PHP-Skript eine Fehlermeldung?
		if (seHasError(txt)) {
		  myAjax.onError(seGetError(txt));
		  return null;
		}
		
		if (txt)
		{
		  shopping_cart.innerHTML= txt;
		}
	
	  }
	  
	  //Fehler bei Kommunikation zw. Client und Server
	  myAjax.onError = seErrorHandler;
	  
	  //Datei speichern
	  myAjax.doRequest();
	}
}

//Funktion speichert Lieferdaten in SV
function saveDeliveryData (next)
{
	var check = true;
	if(document.getElementById('str_other_delivery_address').checked)
	{
		if (document.getElementById('str_delivery_firstname').value == ""){
		var str_Variable2="Please insert your first name.";
		alert (str_Variable2);
		document.getElementById('str_delivery_firstname').focus();
		check = false;
		return check;}
		if (document.getElementById('str_delivery_lastname').value == ""){
		var str_Variable1="Please insert your name.";
		alert (str_Variable1);
		document.getElementById('str_delivery_lastname').focus(); //Cursor in Feld für Namenseingabe
		check = false;
		return check;}
		if (document.getElementById('str_delivery_street').value == ""){
		var str_Variable3="Please insert your street.";
		alert (str_Variable3);
		document.getElementById('str_delivery_street').focus();
		check = false;
		return check;}
		if (document.getElementById('str_delivery_postcode').value == ""){
		var str_Variable5="Please insert your postcode.";
		alert (str_Variable5);
		document.getElementById('str_delivery_postcode').focus();
		check = false;
		return check;}
		if (document.getElementById('str_delivery_city').value == ""){
		var str_Variable6="Please insert your city.";
		alert (str_Variable6);
		document.getElementById('str_delivery_city').focus();
		check = false;
		return check;}
		if (document.getElementById('str_delivery_country').value == ""){
		var str_Variable7="Please choose your country.";
		alert (str_Variable7);
		document.getElementById('str_delivery_country').focus();
		check = false;
		return check;}
		var str_other_delivery_address = document.getElementById('str_other_delivery_address').value;
	}
	else
	{
		var str_other_delivery_address = '0';
	}
	
	if(check == true)
	{

	  //save_delivery_data.php via AJAX aufrufen
	  var myAjax = new Ajax();
	  myAjax.method="POST";
	  myAjax.url="html_order/save_delivery_data.php";
	  myAjax.params= "str_delivery_company=" + encodeURIComponent(document.getElementById('str_delivery_company').value);
	  myAjax.params +="&str_delivery_firstname=" + encodeURIComponent(document.getElementById('str_delivery_firstname').value);
	  myAjax.params +="&str_delivery_lastname=" + encodeURIComponent(document.getElementById('str_delivery_lastname').value);
	  myAjax.params +="&str_delivery_street=" + encodeURIComponent(document.getElementById('str_delivery_street').value);
	  myAjax.params +="&str_delivery_postcode=" + encodeURIComponent(document.getElementById('str_delivery_postcode').value);	  
	  myAjax.params +="&str_delivery_city=" + encodeURIComponent(document.getElementById('str_delivery_city').value);
	  myAjax.params +="&str_delivery_country=" + encodeURIComponent(document.getElementById('str_delivery_country').value);	  	
	  myAjax.params +="&str_other_delivery_address=" + str_other_delivery_address;	  	    
	  	  	  
	  //Response war erfolgreich
	  myAjax.onSuccess = function(txt,xml) {
	
		//Lieferte Das PHP-Skript eine Fehlermeldung?
		if (seHasError(txt)) {
		  myAjax.onError(seGetError(txt));
		  return null;
		}
		
		if (txt)
		{
			if(next == 'infos')
			{
				getCustomerInfos();
			}
			else if (next == 'cart')
			{
				getShoppingCart();
			}
			else if (next == 'overview')
			{
				getInvoiceOverview();
			}
		}
	
	  }
	  
	  //Fehler bei Kommunikation zw. Client und Server
	  myAjax.onError = seErrorHandler;
	  
	  //Datei speichern
	  myAjax.doRequest();
	}
}

//Eingabefelder aktivieren/deaktivieren
function checkVisibility ()
{
	if(document.getElementById('str_other_delivery_address').checked)
	{
		document.getElementById('str_delivery_company').removeAttribute("readonly");
		document.getElementById('str_delivery_firstname').removeAttribute("readonly");
		document.getElementById('str_delivery_lastname').removeAttribute("readonly");
		document.getElementById('str_delivery_street').removeAttribute("readonly");
		document.getElementById('str_delivery_postcode').removeAttribute("readonly");
		document.getElementById('str_delivery_city').removeAttribute("readonly");
		document.getElementById('str_delivery_country').removeAttribute("disabled");												
	}
	else
	{
		document.getElementById('str_delivery_company').setAttribute("readonly", "");
		document.getElementById('str_delivery_firstname').setAttribute("readonly", "");
		document.getElementById('str_delivery_lastname').setAttribute("readonly", "");
		document.getElementById('str_delivery_street').setAttribute("readonly", "");
		document.getElementById('str_delivery_postcode').setAttribute("readonly", "");
		document.getElementById('str_delivery_city').setAttribute("readonly", "");
		document.getElementById('str_delivery_country').setAttribute("disabled", "");												
	}
}

//Rechnungsübersicht laden
function getInvoiceOverview ()
{
  //invoice_overview.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="html_order/invoice_overview.php";
  myAjax.params="width="+width;
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	  shopping_cart.innerHTML= txt;
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}

//Kaufmethode speichern
function saveOrderOption ()
{
	var order_buttons = document.getElementsByName('str_order_option');
	for(var i=0;i< order_buttons.length;i++)
	{
		if(order_buttons[i].checked)
		{
			str_order_option = order_buttons[i].value;
		} 
	}
  //save_order_option.php.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="html_order/save_order_option.php";
  myAjax.params="str_order_option="+ str_order_option;
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}

//Kauf erfolgreich PP
function getOrderSuccessPP (par)
{
  checkSession();
  //order_success_overview.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="../html_order/order_success.php";
  myAjax.params= "content=" + "&par=paypal";
  
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
 		getOrderSuccess('');
 	}
  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();
}




//Kauf erfolgreich
function getOrderSuccess (par)
{
  //order_success_overview.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="../html_order/order_success_overview.php";
  myAjax.params="width="+width;
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	shopping_cart.innerHTML= txt;
    	if(par == 'window')
		{
 			paywindow.blur();
  			paywindow.location.href = "../html_order/close_window.php";		
 		}
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}

//Kauf fehlerhaft
function getOrderError(content,msg)
{
  //order_error_overview.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="../html_order/order_error_overview.php";
  myAjax.params="width="+width + "&content=" + content + "&msg=" + msg;
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	shopping_cart.innerHTML= txt;
 		paywindow.blur();
  		paywindow.location.href = "../html_order/close_window.php";		
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}


function getPaypalOverview(content,msg)
{
  checkSession();
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="../html_order/order_paypal_overview.php";
  myAjax.params= "content=" + content + "&msg=" + msg;
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
		document.getElementById("search").innerHTML= txt;
 		paywindow.blur();
  		paywindow.location.href = "../html_order/close_window.php";		
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}



//Warenkorb zurück setzen
function unsetCart()
{
  //unset_cart.php via AJAX aufrufen
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="html_order/unset_cart.php";
   
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
    	  window.location.href = './';
 	}

  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();

}


//Bezahlung über Postbank in neuem Fenster öfffnen
function getPayment ()
{
	OpenPaymentWindow ();
		 //check_transaction.php via AJAX aufrufen
	 var myAjax = new Ajax();
	 myAjax.method="POST";
	 myAjax.url="../html_order/check_transaction.php";
	  
	 //Response war erfolgreich
	 myAjax.onSuccess = function(txt,xml) {
	
		//Lieferte Das PHP-Skript eine Fehlermeldung?
		if (seHasError(txt)) {
	  		myAjax.onError(seGetError(txt));
	  		return null;
		}
		
		if (txt)
		{
			if(txt == "ok")
			{
				paywindow.focus();
				check_giropay_ta();			
			}
			else
			{
				paywindow.close();
				if (txt != "paypal")
				{
					getOrderSuccess ('');
				}
			}	
		}
	  }
	  
	  //Fehler bei Kommunikation zw. Client und Server
	  myAjax.onError = seErrorHandler;
	  
	  //Datei speichern
	  myAjax.doRequest();
}
function check_giropay_ta()
{
	 var myAjax = new Ajax();
	 myAjax.method="POST";
	 myAjax.url="../html_order/check_giropay_transaction.php";
	  
	 //Response war erfolgreich
	 myAjax.onSuccess = function(txt,xml) {
	
	//Lieferte Das PHP-Skript eine Fehlermeldung?
	if (seHasError(txt)) {
		myAjax.onError(seGetError(txt));
		return null;
	}

	if (txt)
	{
		if (txt=="stop")
		{
		}
		else
		{
			if(txt == "ok")
			{
				getOrderSuccessGP();
			}
			else
			{
				setTimeout("check_giropay_ta()",4000);
			}
		}
	}
		
	}
	
	//Fehler bei Kommunikation zw. Client und Server
	myAjax.onError = seErrorHandler;
	
	//Datei speichern
	myAjax.doRequest();
}
function getOrderSuccessGP (par)
{
  checkSession();
  var myAjax = new Ajax();
  myAjax.method="POST";
  myAjax.url="../html_order/order_success.php";
  myAjax.params= "content=" + "&par=giropay";
  
  
  //Response war erfolgreich
  myAjax.onSuccess = function(txt,xml) {

    //Lieferte Das PHP-Skript eine Fehlermeldung?
    if (seHasError(txt)) {
      myAjax.onError(seGetError(txt));
      return null;
    }
    
    if (txt)
    {
 		getOrderSuccess('');
 	}
  }
  
  //Fehler bei Kommunikation zw. Client und Server
  myAjax.onError = seErrorHandler;
  
  //Datei speichern
  myAjax.doRequest();
}


function OpenPaymentWindow ()
{
	var str_order_option = '';
	var order_buttons = document.getElementsByName('str_order_option');
	for(var i=0;i< order_buttons.length;i++)
	{
		if(order_buttons[i].checked)
		{
			str_order_option = order_buttons[i].value;
		} 
	}

	paywindow = window.open("/html_order/send_info_products_email.php?str_order_option="+str_order_option,"Order","width=600,height=600,toolbars=no,status=no,scrollbars=yes,resizable=yes,menubar=no");
}

function OpenRedirectWindow ()
{

	paywindow = window.open("/html_order/order_redirect.php","Order","toolbars=no,width=600px,height=600px,top=100px,status=no,scrollbars=yes,resizable=yes,menubar=no");
}



//Kurzbeschreibung für Artikel auslesen
function getAbstract(itemid)
{
  if(document.getElementById('abstract_'+ itemid).innerHTML != "")
  {
  	document.getElementById('abstract_'+ itemid).innerHTML = "";
  }
  else
  {
	  //get_abstract.php via AJAX aufrufen
	  var myAjax = new Ajax();
	  myAjax.method="POST";
	  myAjax.url="html_order/get_abstract.php";
	  myAjax.params="itemid="+itemid;
		 
	  //Response war erfolgreich
	  myAjax.onSuccess = function(txt,xml) {
	
		//Lieferte Das PHP-Skript eine Fehlermeldung?
		if (seHasError(txt)) {
		  myAjax.onError(seGetError(txt));
		  return null;
		}
		
		if (txt)
		{
			  document.getElementById('abstract_'+itemid).innerHTML = txt;
		}
	
	  }
	  
	  //Fehler bei Kommunikation zw. Client und Server
	  myAjax.onError = seErrorHandler;
	  
	  //Datei speichern
	  myAjax.doRequest();
  }
}

//Überprüft Rückgabe eines PHP-Skripts, ob es eine Fehlermeldung ist
function seHasError(msg)
{
  //Hat msg einen Inhalt?
  if (!msg) return false; 
  
  //Befindet sich Zeichenkette AOEERROR: am Anfang von msg?
  if (msg.indexOf("AOEERROR:") == 0) {
    return true;
  } else {
    return false;
  }
}

//Aufbereiten der Fehlermeldung eines PHP-Skripts
function seGetError(msg)
{
  //AOEERROR: aus Fehlermeldung entfernen
  return msg.replace(/AOEERROR:/, "");
}

//Allgemeine Funktion f�r alle Fehlerf�lle
function seErrorHandler(msg)
{
  //Fehler als Meldungsfenster anzeigen
  alert(msg);
}


window.onload=initAjaxOrder;