Index: wikibits.js
===================================================================
--- wikibits.js	(revision 40943)
+++ wikibits.js	(working copy)
@@ -547,8 +547,12 @@
 	// We have a first row: assume it's the header, and make its contents clickable links
 	for (var i = 0; i < firstRow.cells.length; i++) {
 		var cell = firstRow.cells[i];
-		if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
-			cell.innerHTML += '&nbsp;&nbsp;<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;"><span class="sortarrow"><img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/></span></a>';
+		var cellClass = " " + cell.className + " ";
+		if (cellClass.indexOf(" unsortable ") == -1) {
+		if (cellClass.indexOf(" sortreverse ") == -1)
+			cell.innerHTML += '&nbsp;&nbsp;<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;"><span class="sortarrow" sortdir="up"><img src="'+ ts_image_path + ts_image_none + '" alt="&uarr;"/></span></a>';
+		else
+			cell.innerHTML += '&nbsp;&nbsp;<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;"><span class="sortarrow" sortdir="down"><img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/></span></a>';
 		}
 	}
 	if (ts_alternate_row_colors) {
@@ -636,9 +640,8 @@
 
 	newRows.sort(sortfn);
 
-	var arrowHTML;
 	if (reverse) {
-		arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
+		span.innerHTML = '<img src="' + ts_image_path + ts_image_down + '" alt="&darr;"/>';
 		newRows.reverse();
 		span.setAttribute('sortdir','up');
 	} else {
@@ -661,9 +664,18 @@
 	// Delete any other arrows there may be showing
 	var spans = getElementsByClassName(tr, "span", "sortarrow");
 	for (var i = 0; i < spans.length; i++) {
-		spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
+		var thisSpan = spans[i]
+		if (thisSpan != span) {
+			var cellClass = " " + thisSpan.parentNode.parentNode.className + " "
+			if (cellClass.indexOf(" sortreverse ") == -1) {
+				thisSpan.setAttribute("sortdir", "up")
+				thisSpan.innerHTML = '<img src="' + ts_image_path + ts_image_none + '" alt="Sort in ascending order."/>'
+			} else {
+				thisSpan.setAttribute("sortdir", "down")
+				thisSpan.innerHTML = '<img src="' + ts_image_path + ts_image_none + '" alt="Sort in descending order."/>'
+			}
+		}
 	}
-	span.innerHTML = arrowHTML;
 
 	if (ts_alternate_row_colors) {
 		ts_alternate(table);