var myfiles = document.getElementById('myfiles').files;
            var arr = new Array();
            console.log(myfiles.length + " Files")
            for(var i = 0; i < myfiles.length; i++){ 
                var file = myfiles[i];
                arr.push(i, 'name', file.name);
                arr.push(i, 'type', file.type ? file.type : 'application/octet-stream');
                arr.push(i, 'bin', file);
            }
            arr.push('param','upload','1');  
            var content = bSerialize.array2bin(arr);