diff --git a/_config.yml b/_config.yml
index 2d8e485..f9cf968 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,6 +1,7 @@
 name: Isotope
 permalink: /:categories/:title.html
 pygments: true
+isotope_js: jquery.isotope.js
 
 elements:
   - categories: [alkali, metal]
diff --git a/_layouts/elements.html b/_layouts/elements.html
index 2a4c8c3..0048829 100644
--- a/_layouts/elements.html
+++ b/_layouts/elements.html
@@ -47,7 +47,7 @@
   {% include footer.html %}
 
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script src="../js/fake-element.js"></script>
   <script>
 
diff --git a/_layouts/inf-scroll-page.html b/_layouts/inf-scroll-page.html
index 1e5b08c..6776681 100644
--- a/_layouts/inf-scroll-page.html
+++ b/_layouts/inf-scroll-page.html
@@ -12,7 +12,7 @@
   </div>
   
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script>
     $(function(){
       
diff --git a/_posts/demos/2010-12-12-basic.html b/_posts/demos/2010-12-12-basic.html
index 1aaf2fc..aad6af2 100644
--- a/_posts/demos/2010-12-12-basic.html
+++ b/_posts/demos/2010-12-12-basic.html
@@ -16,7 +16,7 @@ related: a-intro
   </div> <!-- #container -->
   
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script>
     $(function(){
       
diff --git a/_posts/demos/2010-12-29-layout-modes.html b/_posts/demos/2010-12-29-layout-modes.html
index c9a1e93..a5b5dcd 100644
--- a/_posts/demos/2010-12-29-layout-modes.html
+++ b/_posts/demos/2010-12-29-layout-modes.html
@@ -23,7 +23,7 @@ related: layouts
   </div> <!-- #container -->
   
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script>
     $(function(){
       
diff --git a/_posts/demos/2010-12-30-filtering.html b/_posts/demos/2010-12-30-filtering.html
index ce62f32..6ae1c66 100644
--- a/_posts/demos/2010-12-30-filtering.html
+++ b/_posts/demos/2010-12-30-filtering.html
@@ -30,7 +30,7 @@ related: filtering
   </div> <!-- #container -->
   
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script>
     $(function(){
       
diff --git a/_posts/demos/2010-12-30-sorting.html b/_posts/demos/2010-12-30-sorting.html
index 61c4c6e..8376524 100644
--- a/_posts/demos/2010-12-30-sorting.html
+++ b/_posts/demos/2010-12-30-sorting.html
@@ -23,7 +23,7 @@ related: sorting
   </div> <!-- #container -->
   
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script>
     $(function(){
       
diff --git a/_posts/demos/2010-12-31-relayout.html b/_posts/demos/2010-12-31-relayout.html
index cc766a1..ee4d63e 100644
--- a/_posts/demos/2010-12-31-relayout.html
+++ b/_posts/demos/2010-12-31-relayout.html
@@ -23,7 +23,7 @@ related: methods
   </div> <!-- #container -->
   
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script>
     $(function(){
       
diff --git a/_posts/demos/2011-01-02-adding-items.html b/_posts/demos/2011-01-02-adding-items.html
index 3c66fa1..9b51e7e 100644
--- a/_posts/demos/2011-01-02-adding-items.html
+++ b/_posts/demos/2011-01-02-adding-items.html
@@ -25,7 +25,7 @@ related: methods
   </div> <!-- #container -->
 
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script src="../js/fake-element.js"></script>
   <script>
     $(function(){
diff --git a/_posts/demos/2011-01-02-infinite-scroll.html b/_posts/demos/2011-01-02-infinite-scroll.html
index aa649aa..64db31e 100644
--- a/_posts/demos/2011-01-02-infinite-scroll.html
+++ b/_posts/demos/2011-01-02-infinite-scroll.html
@@ -21,7 +21,7 @@ infinite_scroll: true
   </nav>
 
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script src="../js/jquery.infinitescroll.min.js"></script>
   <script>
     $(function(){
diff --git a/_posts/demos/2011-01-11-images.html b/_posts/demos/2011-01-11-images.html
index bad173f..73f1d86 100644
--- a/_posts/demos/2011-01-11-images.html
+++ b/_posts/demos/2011-01-11-images.html
@@ -32,7 +32,7 @@ photos:
   </nav>
 
   <script src="../js/jquery-1.4.4.min.js"></script>
-  <script src="../jquery.isotope.js"></script>
+  <script src="../{{ site.isotope_js }}"></script>
   <script>
     $(function(){
 
diff --git a/index.html b/index.html
index 11cc98f..b11263c 100644
--- a/index.html
+++ b/index.html
@@ -90,7 +90,7 @@ layout: nil
   
   
   <script src="js/jquery-1.4.4.min.js"></script>
-  <script src="jquery.isotope.js"></script>
+  <script src="{{ site.isotope_js }}"></script>
   <script>
     $(function(){