         <!-- 

             function loadcontent(id,sid){
                 //erstellen des requests
                 var req = null;

                try{
                    req = new XMLHttpRequest();
                }
                catch (ms){
                    try{
                        req = new ActiveXObject("Msxml2.XMLHTTP");
                    } 
                    catch (nonms){
                        try{
                            req = new ActiveXObject("Microsoft.XMLHTTP");
                        } 
                        catch (failed){
                            req = null;
                        }
                    }  
                }

                if (req == null)
                {}
                      //alert("Error creating request object!");
                  
                  //anfrage erstellen (GET, url ist localhost,
                  //request ist asynchron      
                  req.open("GET", "env/content.php?id="+id+"&sid="+sid, true);
                  

                //Beim abschliessen des request wird diese Funktion ausgeführt
                req.onreadystatechange = function(){            
                    switch(req.readyState) {
                            case 4:
                            if(req.status!=200) {
                            }else{    
                                //schreibe die antwort in den div container mit der id content 
                                document.getElementById('left').innerHTML = req.responseText;
                            }
                            break;
                    
                            default:
                                return false;
                            break;     
                        }
                    };

                  req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf8_unicode_ci");

                req.send(null);
                javascript:loadimg(id, sid);
            }


             function loadnavigation(id){
             
                 //erstellen des requests
                 var req = null;

                try{
                    req = new XMLHttpRequest();
                }
                catch (ms){
                    try{
                        req = new ActiveXObject("Msxml2.XMLHTTP");
                    } 
                    catch (nonms){
                        try{
                            req = new ActiveXObject("Microsoft.XMLHTTP");
                        } 
                        catch (failed){
                            req = null;
                        }
                    }  
                }

                if (req == null)
                {}
                      //alert("Error creating request object!");
                  
                  //anfrage erstellen (GET, url ist localhost,
                  //request ist asynchron      
                req.open("GET", "env/navi.php?id="+id, true);
                
                
                //Beim abschliessen des request wird diese Funktion ausgeführt
                req.onreadystatechange = function(){           
                    switch(req.readyState) {
                            case 4:
                            if(req.status!=200) {
                            }else{    
                                //schreibe die antwort in den div container mit der id content 
                                document.getElementById('navi').innerHTML = req.responseText;
                            }
                            break;
                    
                            default:
                                return false;
                            break;     
                        }
                    };

                  req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf8_unicode_ci");
                              
                req.send(null);
                javascript:loadsubnavigation(id, 'null');
            }
            
           function loadsubnavigation(id, sid){
                 //erstellen des requests
                 
                 var req = null;

                try{
                    req = new XMLHttpRequest();
                }
                catch (ms){
                    try{
                        req = new ActiveXObject("Msxml2.XMLHTTP");
                    } 
                    catch (nonms){
                        try{
                            req = new ActiveXObject("Microsoft.XMLHTTP");
                        } 
                        catch (failed){
                            req = null;
                        }
                    }  
                }

                if (req == null)
                {}
                      //alert("Error creating request object!");
                  
                  //anfrage erstellen (GET, url ist localhost,
                  //request ist asynchron      
                req.open("GET", "env/subnavi.php?id="+id+"&sid="+sid, true);
                
                
                //Beim abschliessen des request wird diese Funktion ausgeführt
                req.onreadystatechange = function(){           
                    switch(req.readyState) {
                            case 4:
                            if(req.status!=200) {
                            }else{    
                                //schreibe die antwort in den div container mit der id content 
                                document.getElementById('subnavi').innerHTML = req.responseText;
                            }
                            break;
                    
                            default:
                                return false;
                            break;     
                        }
                    };

                  req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf8_unicode_ci");
                              
                req.send(null);
                javascript:loadcontent(id, sid);
            }
            
            
           function loadimg(id, sid){
                 //erstellen des requests
                 
                 var req = null;

                try{
                    req = new XMLHttpRequest();
                }
                catch (ms){
                    try{
                        req = new ActiveXObject("Msxml2.XMLHTTP");
                    } 
                    catch (nonms){
                        try{
                            req = new ActiveXObject("Microsoft.XMLHTTP");
                        } 
                        catch (failed){
                            req = null;
                        }
                    }  
                }

                if (req == null)
                {}
                      //alert("Error creating request object!");
                  
                  //anfrage erstellen (GET, url ist localhost,
                  //request ist asynchron      
                req.open("GET", "env/img.php?id="+id+"&sid="+sid, true);
                
                
                //Beim abschliessen des request wird diese Funktion ausgeführt
                req.onreadystatechange = function(){           
                    switch(req.readyState) {
                            case 4:
                            if(req.status!=200) {
                            }else{    
                                //schreibe die antwort in den div container mit der id content 
                                document.getElementById('picture').innerHTML = req.responseText;
                            }
                            break;
                    
                            default:
                                return false;
                            break;     
                        }
                    };

                  req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf8_unicode_ci");
                              
                req.send(null);
            }

                
function popup(url) {
	var winHeight = 600;
	var winWidth = 520;
    var winLeft = Math.round((screen.width - winWidth) / 2);
    var winTop= Math.round((screen.height - winHeight) / 2);
	fenster = window.open(url, "Popupfenster", "width="+winWidth+",height="+winHeight+",left="+winLeft+",top="+winTop+",resizable='no'");
	fenster.focus();
	return false;
}
         //-->