diff --git a/static/js/upload.js b/static/js/upload.js
index 159bad2..af70488 100644
--- a/static/js/upload.js
+++ b/static/js/upload.js
@@ -1,51 +1,54 @@
 // @license magnet:?xt=urn:btih:1f739d935676111cfff4b4693e3816e664797050&dn=gpl-3.0.txt GPL-v3-or-Later
 
 Dropzone.options.dropzone = {
-	init: function() {
-		var dzone = document.getElementById("dzone");
-		dzone.style.display = "block";
-	},
-	addedfile: function(file) {
-		var upload = document.createElement("div");
-		upload.className = "upload";
+    init: function() {
+        var dzone = document.getElementById("dzone");
+        dzone.style.display = "block";
+    },
+    addedfile: function(file) {
+        var upload = document.createElement("div");
+        upload.className = "upload";
 
-		var fileLabel = document.createElement("span");
-		fileLabel.innerHTML = file.name;
-		file.fileLabel = fileLabel;
-		upload.appendChild(fileLabel);
+        var fileLabel = document.createElement("span");
+        fileLabel.innerHTML = file.name;
+        file.fileLabel = fileLabel;
+        upload.appendChild(fileLabel);
 
-		var fileActions = document.createElement("div");
-		fileActions.className = "right";
-		file.fileActions = fileActions;
-		upload.appendChild(fileActions);
+        var fileActions = document.createElement("div");
+        fileActions.className = "right";
+        file.fileActions = fileActions;
+        upload.appendChild(fileActions);
 
-		var cancelAction = document.createElement("span");
-		cancelAction.className = "cancel";
-		cancelAction.innerHTML = "Cancel";
-		cancelAction.addEventListener('click', function(ev) {
-		    this.removeFile(file);
-		}.bind(this));
-		file.cancelActionElement = cancelAction;
-		fileActions.appendChild(cancelAction);
+        var cancelAction = document.createElement("span");
+        cancelAction.className = "cancel";
+        cancelAction.innerHTML = "Cancel";
+        cancelAction.addEventListener('click', function(ev) {
+            this.removeFile(file);
+        }.bind(this));
+        file.cancelActionElement = cancelAction;
+        fileActions.appendChild(cancelAction);
 
-		var progress = document.createElement("span");
-		file.progressElement = progress;
-		fileActions.appendChild(progress);
+        var progress = document.createElement("span");
+        file.progressElement = progress;
+        fileActions.appendChild(progress);
 
-		file.uploadElement = upload;
+        file.uploadElement = upload;
 
-		document.getElementById("uploads").appendChild(upload);
-	},
-	uploadprogress: function(file, p, bytesSent) {
-		p = parseInt(p);
-		file.progressElement.innerHTML = p + "%";
-		file.uploadElement.setAttribute("style", 'background-image: -webkit-linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%); background-image: -moz-linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%); background-image: -ms-linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%); background-image: -o-linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%); background-image: linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%)');
-	},
-	sending: function(file, xhr, formData) {
-		formData.append("randomize", document.getElementById("randomize").checked);
-		formData.append("expires", document.getElementById("expires").value);
-	},
-	success: function(file, resp) {
+        document.getElementById("uploads").appendChild(upload);
+    },
+    uploadprogress: function(file, p, bytesSent) {
+        p = parseInt(p);
+        file.progressElement.innerHTML = p + "%";
+        file.uploadElement.setAttribute("style", 'background-image: -webkit-linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%); background-image: -moz-linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%); background-image: -ms-linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%); background-image: -o-linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%); background-image: linear-gradient(left, #F2F4F7 ' + p + '%, #E2E2E2 ' + p + '%)');
+    },
+    sending: function(file, xhr, formData) {
+        var randomize = document.getElementById("randomize");
+        if(typeof randomize != "undefined") {
+            formData.append("randomize", randomize.checked);
+        }
+        formData.append("expires", document.getElementById("expires").value);
+    },
+    success: function(file, resp) {
         file.fileActions.removeChild(file.progressElement);
 
         var fileLabelLink = document.createElement("a");
@@ -59,61 +62,61 @@ Dropzone.options.dropzone = {
         var deleteAction = document.createElement("span");
         deleteAction.innerHTML = "Delete";
         deleteAction.className = "cancel";
-		deleteAction.addEventListener('click', function(ev) {
-		    xhr = new XMLHttpRequest();
-			xhr.open("DELETE", resp.url, true);
-			xhr.setRequestHeader("Linx-Delete-Key", resp.delete_key);
-			xhr.onreadystatechange = function(file) {
-				if (xhr.readyState == 4 && xhr.status === 200) {
-				    var text = document.createTextNode("Deleted ");
-				    file.fileLabel.insertBefore(text, file.fileLabelLink);
-					file.fileLabel.className = "deleted";
-					file.fileActions.removeChild(file.cancelActionElement);
-				}
-			}.bind(this, file);
-			xhr.send();
-		});
-		file.fileActions.removeChild(file.cancelActionElement);
-		file.cancelActionElement = deleteAction;
-		file.fileActions.appendChild(deleteAction);
-	},
-	error: function(file, resp, xhrO) {
+        deleteAction.addEventListener('click', function(ev) {
+            xhr = new XMLHttpRequest();
+            xhr.open("DELETE", resp.url, true);
+            xhr.setRequestHeader("Linx-Delete-Key", resp.delete_key);
+            xhr.onreadystatechange = function(file) {
+                if (xhr.readyState == 4 && xhr.status === 200) {
+                    var text = document.createTextNode("Deleted ");
+                    file.fileLabel.insertBefore(text, file.fileLabelLink);
+                    file.fileLabel.className = "deleted";
+                    file.fileActions.removeChild(file.cancelActionElement);
+                }
+            }.bind(this, file);
+            xhr.send();
+        });
+        file.fileActions.removeChild(file.cancelActionElement);
+        file.cancelActionElement = deleteAction;
+        file.fileActions.appendChild(deleteAction);
+    },
+    error: function(file, resp, xhrO) {
         file.fileActions.removeChild(file.cancelActionElement);
         file.fileActions.removeChild(file.progressElement);
 
-		if (file.status === "canceled") {
-			file.fileLabel.innerHTML = file.name + ": Canceled ";			
-		}
-		else {
-			if (resp.error) {
-				file.fileLabel.innerHTML = file.name + ": " + resp.error;
-			}
-			else if (resp.includes("<html")) {
-				file.fileLabel.innerHTML = file.name + ": Server Error";
-			}
-			else {
-				file.fileLabel.innerHTML = file.name + ": " + resp;
-			}
-		}
-		file.fileLabel.className = "error";
-	},
+        if (file.status === "canceled") {
+            file.fileLabel.innerHTML = file.name + ": Canceled ";            
+        }
+        else {
+            if (resp.error) {
+                file.fileLabel.innerHTML = file.name + ": " + resp.error;
+            }
+            else if (resp.includes("<html")) {
+                file.fileLabel.innerHTML = file.name + ": Server Error";
+            }
+            else {
+                file.fileLabel.innerHTML = file.name + ": " + resp;
+            }
+        }
+        file.fileLabel.className = "error";
+    },
 
     maxFilesize: Math.round(parseInt(document.getElementById("dropzone").getAttribute("data-maxsize"), 10) / 1024 / 1024),
-	previewsContainer: "#uploads",
-	parallelUploads: 5,
-	headers: {"Accept": "application/json"},
-	dictDefaultMessage: "Click or Drop file(s) or Paste image",
-	dictFallbackMessage: ""
+    previewsContainer: "#uploads",
+    parallelUploads: 5,
+    headers: {"Accept": "application/json"},
+    dictDefaultMessage: "Click or Drop file(s) or Paste image",
+    dictFallbackMessage: ""
 };
 
 document.onpaste = function(event) {
-	var items = (event.clipboardData || event.originalEvent.clipboardData).items;
-	for (index in items) {
-		var item = items[index];
-		if (item.kind === "file") {
-			Dropzone.forElement("#dropzone").addFile(item.getAsFile());
-		}
-	}
+    var items = (event.clipboardData || event.originalEvent.clipboardData).items;
+    for (index in items) {
+        var item = items[index];
+        if (item.kind === "file") {
+            Dropzone.forElement("#dropzone").addFile(item.getAsFile());
+        }
+    }
 };
 
 // @end-license