diff --git a/Gruntfile.js b/Gruntfile.js
index 4fc76c950..e85a83789 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -74,6 +74,20 @@ module.exports = function(grunt) {
     watch: {
       files: ['<%= jshint.files %>'],
       tasks: ['jshint']
+    },
+    cachebreaker: {
+        dev: {
+            options: {
+                match: ['opensourcepos.min.js'],
+                src: {
+                    path: 'dist/opensourcepos.min.js'
+                },
+                replacement: 'md5'
+            },
+            files: {
+                src: ['application/views/partial/header.php']
+            }
+        }
     }
   });
 
@@ -83,7 +97,8 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-contrib-concat');
   grunt.loadNpmTasks('grunt-script-link-tags');
   grunt.loadNpmTasks('grunt-mocha-webdriver');
+  grunt.loadNpmTasks('grunt-cache-breaker');
 
-  grunt.registerTask('default', ['tags:js', 'concat', 'uglify', 'tags:minjs']);
+  grunt.registerTask('default', ['tags:js', 'concat', 'uglify', 'tags:minjs', 'cachebreaker']);
 
 };
diff --git a/application/controllers/sales.php b/application/controllers/sales.php
index 86d65d59b..f3cc6a24e 100644
--- a/application/controllers/sales.php
+++ b/application/controllers/sales.php
@@ -7,7 +7,6 @@ class Sales extends Secure_area
 		parent::__construct('sales');
 		$this->load->library('sale_lib');
 		$this->load->library('barcode_lib');
-		$this->Sale->create_sales_items_temp_table();
 	}
 
 	function index()
@@ -17,6 +16,8 @@ class Sales extends Secure_area
 	
 	function manage($only_invoices = FALSE, $only_cash = FALSE, $limit_from = 0)
 	{
+		$this->Sale->create_sales_items_temp_table();
+
 		$data['controller_name'] = strtolower($this->uri->segment(1));
 		$data['only_invoices'] = array($this->lang->line('sales_no_filter'), $this->lang->line('sales_invoice'));
 		$data['search_section_state'] = $this->input->post('search_section_state');
@@ -66,6 +67,8 @@ class Sales extends Secure_area
 	
 	function search()
 	{
+		$this->Sale->create_sales_items_temp_table();
+
 		$only_invoices = $this->input->post('only_invoices', TRUE);
 		$only_cash = $this->input->post('only_cash', TRUE);
 		$lines_per_page = $this->Appconfig->get('lines_per_page');
diff --git a/application/models/receiving.php b/application/models/receiving.php
index 00585041d..01d24ad08 100644
--- a/application/models/receiving.php
+++ b/application/models/receiving.php
@@ -211,7 +211,7 @@ class Receiving extends CI_Model
 	}
 	
 	//We create a temp table that allows us to do easy report/receiving queries
-	public function create_receivings_items_temp_table()
+	function create_receivings_items_temp_table()
 	{
 		$this->db->query("CREATE TEMPORARY TABLE IF NOT EXISTS ".$this->db->dbprefix('receivings_items_temp')."
 		(SELECT date(receiving_time) as receiving_date, ".$this->db->dbprefix('receivings_items').".receiving_id, comment, item_location, invoice_number, payment_type, employee_id,
diff --git a/application/models/sale.php b/application/models/sale.php
index 50c565e47..98a5b15b1 100644
--- a/application/models/sale.php
+++ b/application/models/sale.php
@@ -425,7 +425,7 @@ class Sale extends CI_Model
 	}
 
 	//We create a temp table that allows us to do easy report/sales queries
-	public function create_sales_items_temp_table()
+	function create_sales_items_temp_table()
 	{
 		if ($this->config->item('tax_included'))
 		{
@@ -475,7 +475,7 @@ class Sale extends CI_Model
 		$this->db->query('UPDATE '.$this->db->dbprefix('sales_items_temp'). ' SET total=subtotal WHERE total IS NULL');
 	}
 	
-	public function get_giftcard_value( $giftcardNumber )
+	function get_giftcard_value( $giftcardNumber )
 	{
 		if ( !$this->Giftcard->exists( $this->Giftcard->get_giftcard_id($giftcardNumber)))
 			return 0;
diff --git a/application/views/partial/header.php b/application/views/partial/header.php
index b8a247716..b2fe1da5e 100644
--- a/application/views/partial/header.php
+++ b/application/views/partial/header.php
@@ -32,7 +32,7 @@
 	<!-- end js template tags -->
     <?php else : ?>
     <!-- start minjs template tags -->
-    <script type="text/javascript" src="dist/opensourcepos.min.js" language="javascript"></script>
+    <script type="text/javascript" src="dist/opensourcepos.min.js?rel=46b435ed1a" language="javascript"></script>
     <!-- end minjs template tags -->       
     <?php endif; ?>
 	<script type="text/javascript">
diff --git a/package.json b/package.json
index 6763ac4b5..50c850e02 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
   "license": "MIT",
   "devDependencies": {
     "grunt": "~0.4.5",
+    "grunt-cache-breaker": "^2.0.1",
     "grunt-contrib-concat": "~0.5.1",
     "grunt-contrib-jshint": "~0.6.3",
     "grunt-contrib-uglify": "~0.8.0",
@@ -24,7 +25,7 @@
     "grunt-mocha-webdriver": "^1.2.2",
     "grunt-script-link-tags": "git://github.com/jekkos/grunt-script-link-tags.git#master",
     "mocha": "^2.2.1",
-    "wd": "^0.3.3",
-    "phantomjs": "~1.9.2"
+    "phantomjs": "~1.9.2",
+    "wd": "^0.3.3"
   }
 }