[Archive-access-cvs] SF.net SVN: archive-access: [2150] trunk/archive-access/projects/wayback/ wayback-webapp/src/main/webapp/replay/disclaim-element.js

[<bra...@us...>]

Revision: 2150
          http://archive-access.svn.sourceforge.net/archive-access/?rev=2150&view=rev
Author:   bradtofel
Date:     2008-01-29 17:54:12 -0800 (Tue, 29 Jan 2008)

Log Message:
-----------
INITIAL REV: currently unused, but this is the meat of the disclaimer javascript logic, which is generally usable by .jsps that insert page elements that need to appear at the top of HTML pages.

Added Paths:
-----------
    trunk/archive-access/projects/wayback/wayback-webapp/src/main/webapp/replay/disclaim-element.js

Added: trunk/archive-access/projects/wayback/wayback-webapp/src/main/webapp/replay/disclaim-element.js
===================================================================
--- trunk/archive-access/projects/wayback/wayback-webapp/src/main/webapp/replay/disclaim-element.js	                        (rev 0)
+++ trunk/archive-access/projects/wayback/wayback-webapp/src/main/webapp/replay/disclaim-element.js	2008-01-30 01:54:12 UTC (rev 2150)
@@ -0,0 +1,29 @@
+function getFrameArea(frame) {
+  if(frame.innerWidth) return frame.innerWidth * frame.innerHeight;
+  if(frame.document.documentElement && frame.document.documentElement.clientHeight) return frame.document.documentElement.clientWidth * frame.document.documentElement.clientHeight;
+  if(frame.document.body) return frame.document.body.clientWidth * frame.document.body.clientHeight;
+  return 0;
+}
+
+function disclaimElement(element) {
+  if(top!=self) {
+    if(top.document.body.tagName == "BODY") {
+      return;
+    }
+    largestArea = 0;
+    largestFrame = null;
+    for(i=0;i<top.frames.length;i++) {
+      frame = top.frames[i];
+      area = getFrameArea(frame);
+      if(area > largestArea) {
+        largestFrame = frame;
+        largestArea = area;
+      }
+    }
+    if(self!=largestFrame) {
+      return;
+    }
+  }
+  element.style.display="block";
+  document.body.insertBefore(element,document.body.firstChild);
+}


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