var xmlhttp
	
		function showTitel(str,veld){
			
			if (str.length>0) {
				xmlhttp=GetXmlHttpObject();
				if (xmlhttp==null) {
				  alert ("Your browser does not support XMLHTTP!");
				  return;
				} 
				var url="music_selection_ajax.php";
				url=url+"?nr="+str;
				url=url+"&sid="+Math.random();
				if(veld==1){	xmlhttp.onreadystatechange = stateChanged;	}
				if(veld==2){	xmlhttp.onreadystatechange = stateChangedTwee;	}
				if(veld==3){	xmlhttp.onreadystatechange = stateChangedDrie;	}
				if(veld==4){	xmlhttp.onreadystatechange = stateChangedVier;	}
				if(veld==5){	xmlhttp.onreadystatechange = stateChangedVijf;	}
				if(veld==6){	xmlhttp.onreadystatechange = stateChangedZes;	}
				xmlhttp.open("GET",url,true);
				xmlhttp.send(null);
			}
		}

		function stateChanged(){		
			if (xmlhttp.readyState==4){		
				document.getElementById('naam_1').value=xmlhttp.responseText;	
				if(xmlhttp.responseText == false){
					document.getElementById('nr_1').value='';
					alert('Onbekend nummer\nUnbekannte Zahl');
				}
			}	
		}
		
		function stateChangedTwee(){	
			if (xmlhttp.readyState==4){		
				document.getElementById('naam_2').value=xmlhttp.responseText;	
				if(xmlhttp.responseText == false){
					document.getElementById('nr_2').value='';
					alert('Onbekend nummer\nUnbekannte Zahl');
				}
			}	
		}
		
		function stateChangedDrie(){	
			if (xmlhttp.readyState==4){		
				document.getElementById('naam_3').value=xmlhttp.responseText;	
				if(xmlhttp.responseText == false){
					document.getElementById('nr_3').value='';
					alert('Onbekend nummer\nUnbekannte Zahl');
				}
			}
		}
		
		function stateChangedVier(){	
			if (xmlhttp.readyState==4){		
				document.getElementById('naam_4').value=xmlhttp.responseText;
				if(xmlhttp.responseText == false){
					document.getElementById('nr_4').value='';
					alert('Onbekend nummer\nUnbekannte Zahl');
				}
			}	
		}
		
		function stateChangedVijf(){	
			if (xmlhttp.readyState==4){		
				document.getElementById('naam_5').value=xmlhttp.responseText;
				if(xmlhttp.responseText == false){
					document.getElementById('nr_5').value='';
					alert('Onbekend nummer\nUnbekannte Zahl');
				}
			}
		}
		
		function stateChangedZes(){		
			if (xmlhttp.readyState==4){		
				document.getElementById('naam_6').value=xmlhttp.responseText;
				if(xmlhttp.responseText == false){
					document.getElementById('nr_6').value='';
					alert('Onbekend nummer\nUnbekannte Zahl');
				}
			}
		}

		function GetXmlHttpObject(){
			if (window.XMLHttpRequest){	 // code for IE7+, Firefox, Chrome, Opera, Safari
		  		return new XMLHttpRequest();
		  	}
			if (window.ActiveXObject){	  // code for IE6, IE5
		  		return new ActiveXObject("Microsoft.XMLHTTP");
		  	}
			return null;
		}