function prepare_request() {
   try {
	   if( window.XMLHttpRequest ) {
	     var req = new XMLHttpRequest();
	   } else if( window.ActiveXObject ) {
	     req = new ActiveXObject( "Microsoft.XMLHTTP" );
	   } else {
	     alert( "Ihr Webbrowser unterstuetzt leider kein Ajax!" );
	   }
	 } catch( e ) {
	   alert( "Fehler: " + e );
	 }
	 return req;
};


function macheRequest(wert){
var req2 = prepare_request();
//alert(wert);
//alert(wert2);
//alert(wert3);
//alert(wert4);
var url2 = "ajax_sql_index.php?z="+wert;
//alert(url2);
    req2.open("GET",url2,true);
    req2.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=iso-8859-1");
    req2.onreadystatechange = function() {
    if(req2.readyState == 4) {
		//alert('ready');
    var optionsLength2 = req2.responseText.length;
	
    if(optionsLength2 > 25){
	       //alert(req2.responseText);

	 document.getElementById("meineTXT").innerHTML = req2.responseText;
         }
         else
         {
        document.getElementById("meineTXT").innerHTML = "Leider keine Termine vorhanden!"
		}
      }
    };
	req2.send(null);

};