//attach autocomplete  
        $("#article").autocomplete({  
            
            minLength: 0,
  
            //define callback to format results  
            source: function(req, add){  
  
                //pass request to server  
                $.getJSON("inc/ajaxload/article.php?callback=?", req, function(data) {  
  
                    //create array for response objects  
                    var suggestions = [];  
  
                    //process response  
                    $.each(data, function(i, val){  
                    suggestions.push(val.article);
                    suggestions.push(val.unit);
                    suggestions.push(val.price);
                });  
  
                //pass array to callback  
                add(suggestions);  
            });
            }
        });

                    //process response  
                    $.each(data, function(i, val){  
                    suggestions.push(val.article);
                    //suggestions.push(val.unit);
                    //suggestions.push(val.price);
                });