1 files changed, 32 insertions, 0 deletions
diff --git a/phpfspot.js b/phpfspot.js
index 26e5090..1b1f05d 100644
--- a/phpfspot.js
+++ b/phpfspot.js
@@ -418,6 +418,38 @@ function update_sort_order(obj)
 } // update_sort_order()
 
 
+function keyDown(e) {
+   var evt = (e) ? e:(window.event) ? window.event:null;
+
+   if(evt) {
+      var key = (evt.charCode) ? evt.charCode :
+         ((evt.keyCode) ? evt.keyCode : ((evt.which) ? evt.which : 0));
+
+
+      if(key == 37) /* left curosr */ {
+         if(document.getElementById('prev_link')) {
+            var prev_link = document.getElementById('prev_link').href;
+            window.location.href = prev_link;
+         }
+         return;
+      }
+      if(key == 38) /* up cursor */ {
+      }
+      if(key == 39) /* right curosr */ {
+         if(document.getElementById('next_link')) {
+            var next_link = document.getElementById('next_link').href;
+            window.location.href = next_link;
+         }
+         return;
+      }
+   }
+}
+
+document.onkeydown=keyDown;
+if(document.layers) {
+   document.captureEvents(Event.KEYDOWN);
+}
+
 var startup = 1;
 var calendar_shown = 0;
 var calendar_mode = '';