function fileSelected() {        var file = document.getElementById(‘fileToUpload‘).files[0];        if (file) {          var fileSize = 0;          if (file.size > 1024 * 1024)            fileSize = (Math.round(file.size * 100 / (1024 * 1024)) / 100).toString() + ‘MB‘;          else            fileSize = (Math.round(file.size * 100 / 1024) / 100).toString() + ‘KB‘;          document.getElementById(‘fileName‘).innerHTML = ‘Name: ‘ + file.name;          document.getElementById(‘fileSize‘).innerHTML = ‘Size: ‘ + fileSize;          document.getElementById(‘fileType‘).innerHTML = ‘Type: ‘ + file.type;        }      }      function uploadFile() {        var fd = new FormData();        fd.append("fileToUpload", document.getElementById(‘fileToUpload‘).files[0]);        var xhr = new XMLHttpRequest();        xhr.upload.addEventListener("progress", uploadProgress, false);        xhr.addEventListener("load", uploadComplete, false);        xhr.addEventListener("error", uploadFailed, false);        xhr.addEventListener("abort", uploadCanceled, false);        xhr.open("POST", "test2.php");        xhr.send(fd);      }      function uploadProgress(evt) {        if (evt.lengthComputable) {          var percentComplete = Math.round(evt.loaded * 100 / evt.total);          document.getElementById(‘progressNumber‘).innerHTML = percentComplete.toString() + ‘%‘;        }        else {          document.getElementById(‘progressNumber‘).innerHTML = ‘unable to compute‘;        }      }      function uploadComplete(evt) {        /* This event is raised when the server send back a response */        alert(evt.target.responseText);      }      function uploadFailed(evt) {        alert("There was an error attempting to upload the file.");      }      function uploadCanceled(evt) {        alert("The upload has been canceled by the user or the browser dropped the connection.");      }