diff --git a/application/displayblock.class.inc.php b/application/displayblock.class.inc.php
index 2ae59862f..2a2dcb3a8 100644
--- a/application/displayblock.class.inc.php
+++ b/application/displayblock.class.inc.php
@@ -1172,16 +1172,21 @@ EOF
 		}
 		if (($bAutoReload) && ($this->m_sStyle != 'search')) // Search form do NOT auto-reload
 		{
-			$sFilter = addslashes(str_replace('"', "'", $this->m_oFilter->serialize())); // Used either for asynchronous or auto_reload
-			$sExtraParams = addslashes(str_replace('"', "'", json_encode($aExtraParams))); // JSON encode, change the style of the quotes and escape them
+			// Used either for asynchronous or auto_reload
+			$sFilter = addslashes(str_replace("'", "\'", $this->m_oFilter->serialize()));
+			$sExtraParams = addslashes(str_replace("'", "\'", json_encode($aExtraParams)));
 
-			$oPage->add_script('if (typeof window.oAutoReloadBlock == "undefined") {
-				    window.oAutoReloadBlock = {};
-				}
-				if (typeof window.oAutoReloadBlock[\''.$sId.'\'] != "undefined") {
-				    clearInterval(window.oAutoReloadBlock[\''.$sId.'\']);
-				}
-				window.oAutoReloadBlock[\''.$sId.'\'] = setInterval("ReloadBlock(\''.$sId.'\', \''.$this->m_sStyle.'\', \"'.$sFilter.'\", \"'.$sExtraParams.'\")", '.$iReloadInterval.');');
+			$oPage->add_script(
+				<<<JS
+if (typeof window.oAutoReloadBlock == "undefined") {
+    window.oAutoReloadBlock = {};
+}
+if (typeof window.oAutoReloadBlock['$sId'] != "undefined") {
+    clearInterval(window.oAutoReloadBlock['$sId']);
+}
+window.oAutoReloadBlock['$sId'] = setInterval("ReloadBlock('$sId', '{$this->m_sStyle}', '$sFilter', '$sExtraParams')", '$iReloadInterval');
+JS
+			);
 		}
 
 		return $sHtml;
diff --git a/js/utils.js b/js/utils.js
index 740443e19..be52a81d2 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -199,7 +199,7 @@ function ReloadBlock(divId, sStyle, sSerializedFilter, sExtraParams) {
 			$('#'+divId).block();
 
 			$.post(GetAbsoluteUrlAppRoot()+'pages/ajax.render.php?style='+sStyle,
-				{operation: 'ajax', filter: sSerializedFilter, extra_params: sExtraParams},
+				{operation: 'ajax', filter: sSerializedFilter, encoding: 'serialize', extra_params: sExtraParams},
 				function (data) {
 					$('#'+divId).empty();
 					$('#'+divId).append(data);