function grafikaus () {
  							  var elm = document.getElementById ("loading");
								elm.style.display="none";
								}

function doIt(einezahl, ziel, method){
	//alert ("hallo "+ziel);
    //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      
				  var elm = document.getElementById ("loading");
				  elm.style.display="block";
				  
                  req.open("GET", 'data.php?nr='+einezahl, true);

                //Beim abschliessen des request wird diese Funktion ausgeführt
                req.onreadystatechange = function(){				
                    switch(req.readyState) {
                            case 4:
                            if(req.status!=200) {
                                alert("Fehler:"+req.status); 
														  elm.style.display="none";
                            }else{    
                                //alert(req.responseText);
                                //schreibe die antwort in den div container mit der id content 
								if(method=="add")
                                 document.getElementById(ziel).innerHTML = document.getElementById(ziel).innerHTML + req.responseText;
								else if(method=="before")
                                 document.getElementById(ziel).innerHTML = req.responseText + document.getElementById(ziel).innerHTML;
								else
								 document.getElementById(ziel).innerHTML = req.responseText;
								setTimeout("grafikaus()" , 250);
                            }
                            break;                    
                            default:
                                return false;
                            break;     
                        }
                    };
  
                  req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
                req.send(null);
            }