1 files changed, 44 insertions, 0 deletions
diff --git a/lib/scripts/script.js b/lib/scripts/script.js
index 9d667c7af..58785dbde 100644
--- a/lib/scripts/script.js
+++ b/lib/scripts/script.js
@@ -457,3 +457,47 @@ function checkAclLevel(){
     }
   }
 }
+
+/* insitu footnote addition
+ * provide a wrapper for domTT javascript library
+ * this function is placed in the onmouseover event of footnote references in the main page
+ * 
+ * @author Chris Smith <chris [at] jalakai [dot] co [dot] uk>
+ */
+var currentFootnote = 0;
+function fnt(id, e, evt) {
+
+    if (currentFootnote && id != currentFootnote) {
+        domTT_close(document.getElementById('insitu-fn'+currentFootnote));
+    }
+    
+    // does the footnote tooltip already exist?
+    var fnt = document.getElementById('insitu-fn'+id);
+    if (!fnt) {
+        // if not create it...
+    
+        // locate the footnote anchor element
+        var a = document.getElementById( "fn"+id );    
+        if (!a) return;
+        
+        // anchor parent is the footnote container, get its innerHTML
+        var footnote = new String (a.parentNode.innerHTML);
+        
+        // strip the leading footnote anchors and their comma separators
+        footnote = footnote.replace(/<a\s*href=\".*\#fnt\d+\".*?<\/a>/gi, '');
+        footnote = footnote.replace(/^\s+(,\s+)+/,'');
+        
+        // prefix ids on any elements with "insitu-" to ensure they remain unique
+        footnote = footnote.replace(/\bid=\"(.*?)\"/gi,'id="insitu-$1');
+        
+        // create the DOM node, assign an id, a class and the footnote content
+        fnt = document.createElement("div");
+        fnt.id = "insitu-fn"+id;
+        fnt.className = "insitu-footnote";
+        fnt.innerHTML = footnote;
+    }
+    
+    // activate the tooltip
+    domTT_activate(e, evt, 'content', fnt, 'type', 'velcro');
+    currentFootnote = id;    
+}