Allow media upload on previz mode

masks/upload.html

@@ -12,7 +12,7 @@
 oSpot.pageInit = function(asHash) {
 	var asProject = self.vars(['projects', self.vars('default_project_codename')]);
 	self.tmp('status-box', $('#status'));
-	if(asProject.mode == self.consts.modes.blog) {
+	if(asProject.editable) {
 		$('#fileupload')
 			.attr('data-url', self.getActionLink('upload'))
 			.fileupload({
@@ -36,7 +36,7 @@ oSpot.pageInit = function(asHash) {
 				}
 			});
 	}
-	else addStatus(self.lang('upload_wrong_mode', [asProject.name]), true);
+	else addStatus(self.lang('upload_mode_archived', [asProject.name]), true);
 };
 
 function addCommentBox(iMediaId, sThumbnailPath) {