diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 00000000..4eb83075
Binary files /dev/null and b/.DS_Store differ
diff --git a/src/.DS_Store b/src/.DS_Store
new file mode 100644
index 00000000..19e00578
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diff --git a/src/lab/.DS_Store b/src/lab/.DS_Store
new file mode 100644
index 00000000..c5463bfe
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diff --git a/src/lab/exp10/Experiment.html b/src/lab/exp10/Experiment.html
index c220b864..06c763b4 100644
--- a/src/lab/exp10/Experiment.html
+++ b/src/lab/exp10/Experiment.html
@@ -99,6 +99,7 @@ <h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><
 							
 							<!--edit -->
 <h1 class="text-h2-lightblue">State Diagrams</h1><div class="content" id="experiment-article-section-4-content">
+                            <p><a href="../documents/java-and-icedtea-plugin.pdf">Install prerequisites to run the simulation</a></p>
 <p>
 <!--<div id="applet_embed"></div>-->
 <a class="qtlink" href="./exp10.html" onclick="window.open('./exp10.html', null,'scrollbars=yes, width=' + (screen.availWidth) +',height=' + (screen.availHeight)); return false;">
diff --git a/src/lab/exp3/Experiment.html b/src/lab/exp3/Experiment.html
index f4055700..77149610 100644
--- a/src/lab/exp3/Experiment.html
+++ b/src/lab/exp3/Experiment.html
@@ -99,6 +99,7 @@ <h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><
 							
 							<!--edit -->
 <h1 class="text-h2-lightblue">Decoder with 7 segment display</h1><div class="content" id="experiment-article-section-4-content">
+                            <p><a href="../documents/java-and-icedtea-plugin.pdf">Install prerequisites to run the simulation</a></p>
 <p>
 <!--      <div id="applet_embed"></div>-->
 <a class="qtlink" href="./exp3.html" onclick="window.open('./exp3.html', null,'scrollbars=yes, width=' + (screen.availWidth) +',height=' + (screen.availHeight)); return false;">
diff --git a/src/lab/exp4/Experiment.html b/src/lab/exp4/Experiment.html
index d19c7fbe..113acd90 100644
--- a/src/lab/exp4/Experiment.html
+++ b/src/lab/exp4/Experiment.html
@@ -99,6 +99,7 @@ <h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><
 							
 							<!--edit -->
 <h1 class="text-h2-lightblue">ALU with function</h1><div class="content" id="experiment-article-section-4-content">
+                            <p><a href="../documents/java-and-icedtea-plugin.pdf">Install prerequisites to run the simulation</a></p>
 <p>
 <!--  <div id="applet_embed"></div> -->
 <a class="qtlink" href="./exp4.html" onclick="window.open('./exp4.html', null,'scrollbars=yes, width=' + (screen.availWidth) +',height=' + (screen.availHeight)); return false;">
diff --git a/src/lab/exp5/Experiment.html b/src/lab/exp5/Experiment.html
index 6476cf15..71c7b3bb 100644
--- a/src/lab/exp5/Experiment.html
+++ b/src/lab/exp5/Experiment.html
@@ -99,6 +99,7 @@ <h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><
 							
 							<!--edit -->
 <h1 class="text-h2-lightblue">Comparator</h1><div class="content" id="experiment-article-section-4-content">
+                            <p><a href="../documents/java-and-icedtea-plugin.pdf">Install prerequisites to run the simulation</a></p>
 <p>
 <!--    <div id="applet_embed"></div> -->
 <a class="qtlink" href="./exp5.html" onclick="window.open('./exp5.html', null,'scrollbars=yes, width=' + (screen.availWidth) +',height=' + (screen.availHeight)); return false;">
diff --git a/src/lab/exp6/Experiment.html b/src/lab/exp6/Experiment.html
index 91cc08df..70e9292d 100644
--- a/src/lab/exp6/Experiment.html
+++ b/src/lab/exp6/Experiment.html
@@ -99,6 +99,7 @@ <h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><
 							
 							<!--edit -->
 <h1 class="text-h2-lightblue">JK Flip-Flop</h1><div class="content" id="experiment-article-section-4-content">
+                            <p><a href="../documents/java-and-icedtea-plugin.pdf">Install prerequisites to run the simulation</a></p>
 <p>
 <!--	      <div id="applet_embed"></div> -->
 <a class="qtlink" href="./exp6.html" onclick="window.open('./exp6.html', null,'scrollbars=yes, width=' + (screen.availWidth) +',height=' + (screen.availHeight)); return false;">
diff --git a/src/lab/exp7/Experiment.html b/src/lab/exp7/Experiment.html
index ba37afc4..abef9093 100644
--- a/src/lab/exp7/Experiment.html
+++ b/src/lab/exp7/Experiment.html
@@ -99,6 +99,7 @@ <h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><
 							
 							<!--edit -->
 <h1 class="text-h2-lightblue">Registers</h1><div class="content" id="experiment-article-section-4-content">
+                            <p><a href="../documents/java-and-icedtea-plugin.pdf">Install prerequisites to run the simulation</a></p>
 <p>
 <!--   <div id="applet_embed"></div>-->
 <a class="qtlink" href="./exp7.html" onclick="window.open('./exp7.html', null,'scrollbars=yes, width=' + (screen.availWidth) +',height=' + (screen.availHeight)); return false;">
diff --git a/src/lab/exp8/Experiment.html b/src/lab/exp8/Experiment.html
index 74c1db69..635c9fc3 100644
--- a/src/lab/exp8/Experiment.html
+++ b/src/lab/exp8/Experiment.html
@@ -99,6 +99,7 @@ <h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><
 							
 							<!--edit -->
 <h1 class="text-h2-lightblue">Counters</h1><div class="content" id="experiment-article-section-4-content">
+                            <p><a href="../documents/java-and-icedtea-plugin.pdf">Install prerequisites to run the simulation</a></p>
 <p>
 <!--      <div id="applet_embed"></div>-->
 <a class="qtlink" href="./exp8.html" onclick="window.open('./exp8.html', null,'scrollbars=yes, width=' + (screen.availWidth) +',height=' + (screen.availHeight)); return false;">
diff --git a/src/lab/exp9/Experiment.html b/src/lab/exp9/Experiment.html
index 172ed654..0c3ef66d 100644
--- a/src/lab/exp9/Experiment.html
+++ b/src/lab/exp9/Experiment.html
@@ -99,6 +99,7 @@ <h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><
 							
 							<!--edit -->
 <h1 class="text-h2-lightblue">Multipliers</h1><div class="content" id="experiment-article-section-4-content">
+                            <p><a href="../documents/java-and-icedtea-plugin.pdf">Install prerequisites to run the simulation</a></p>
 <p>
 <!--  <div id="applet_embed"></div> -->
 <a class="qtlink" href="./exp9.html" onclick="window.open('./exp9.html', null,'scrollbars=yes, width=' + (screen.availWidth) +',height=' + (screen.availHeight)); return false;">