+ HTML_AJAX.replace(document.getElementById("content"), encodeURI('rpc.php?action=show_photo_index'));
+}
+
+function showBubbleDetails(object, id, direction)
+{
+ HTML_AJAX.replace(object, encodeURI('rpc.php?action=showbubbledetails&id=' + id + '&direction=" + direction'));
+}
+
+// if photo index is currently shown, refresh it
+function refreshPhotoIndex()
+{
+ if(document.getElementById("matrix") != undefined) {
+ showPhotoIndex();
+ }
+}
+
+function click(object)
+{
+ if(object.blur)
+ object.blur();
+
+}
+
+// set the radio button with the given value as being checked
+// do nothing if there are no radio buttons
+// if the given value does not exist, all the radio buttons
+// are reset to unchecked
+function setCheckedValue(condition, value) {