--- loncom/interface/londocs.pm	2015/06/09 21:22:56	1.594
+++ loncom/interface/londocs.pm	2015/06/18 20:19:06	1.595
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.594 2015/06/09 21:22:56 damieng Exp $
+# $Id: londocs.pm,v 1.595 2015/06/18 20:19:06 musolffc Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -4769,7 +4769,9 @@ sub handler {
               .'// <![CDATA['."\n"
               .$script."\n"
               .'// ]]>'."\n"
-              .'</script>'."\n";
+              .'</script>'."\n"
+              .'<script type="text/javascript" 
+                src="/res/adm/includes/file_upload.js"></script>'."\n";
 
     # Breadcrumbs
     &Apache::lonhtmlcommon::clear_breadcrumbs();
@@ -4899,9 +4901,30 @@ sub handler {
                 'webctce4' => 'WebCT 4 Campus Edition',
         );
 # -----------------------------------------------------------------------------
+
+    # Calculate free quota space for a user or course. A javascript function checks
+    # file size to determine if upload should be allowed.
+    my $quotatype = 'unofficial';
+    if ($crstype eq 'Community') {
+        $quotatype = 'community';    
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.coursecode'}) {
+        $quotatype = 'official';
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.textbook'}) {
+        $quotatype = 'textbook';
+    }
+    my $disk_quota = &Apache::loncommon::get_user_quota($coursenum,$coursedom,
+                     'course',$quotatype); # expressed in MB
+    my $current_disk_usage = 0;
+    foreach my $subdir ('docs','supplemental') {
+        $current_disk_usage += &Apache::lonnet::diskusage($coursedom,$coursenum,
+                               "userfiles/$subdir",1); # expressed in kB
+    }
+    my $free_space = 1024 * ((1024 * $disk_quota) - $current_disk_usage);
+
 	my $fileupload=(<<FIUP);
 	$lt{'file'}:<br />
-	<input type="file" name="uploaddoc" size="40" />
+	<input type="file" name="uploaddoc" class="flUpload" size="40" />
+    <input type="hidden" id="free_space" value="$free_space" />
 FIUP
 
 	my $checkbox=(<<CHBO);
@@ -4948,7 +4971,7 @@ IMSFORM
         <fieldset id="uploaddocform" style="display: none;">
         <legend>$lt{'upfi'}</legend>
 	<input type="hidden" name="active" value="aa" />
-	$fileupload
+    $fileupload
 	<br />
 	$lt{'title'}:<br />
 	<input type="text" size="60" name="comment" />