diff --git a/libs/debug.tpl b/libs/debug.tpl
index fb1e2051..01265fb4 100644
--- a/libs/debug.tpl
+++ b/libs/debug.tpl
@@ -47,13 +47,13 @@
 	{/section}
 	_smarty_console.document.write("<tr bgcolor=#cccccc><td colspan=2><b>assigned template variables:</b></td></tr>");
 	{section name=vars loop=$_debug_keys}
-		_smarty_console.document.write("<tr bgcolor={if %vars.index% is even}#eeeeee{else}#fafafa{/if}><td valign=top><tt><font color=blue>{ldelim}${$_debug_keys[vars]}{rdelim}</font></tt></td><td nowrap><tt><font color=green>{$_debug_vals[vars]|@debug_print_var}</font></tt></td></tr>");
+		_smarty_console.document.write("<tr bgcolor={if %vars.index% is even}#eeeeee{else}#fafafa{/if}><td valign=top><tt><font color=blue>{ldelim}${$_debug_keys[vars]}{rdelim}</font></tt></td><td nowrap><tt><font color=green>{$_debug_vals[vars]|@debug_print_var|escape:javascript}</font></tt></td></tr>");
 	{sectionelse}
 		_smarty_console.document.write("<tr bgcolor=#eeeeee><td colspan=2><tt><i>no template variables assigned</i></tt></td></tr>");	
 	{/section}
 	_smarty_console.document.write("<tr bgcolor=#cccccc><td colspan=2><b>assigned config file variables (outer template scope):</b></td></tr>");
 	{section name=config_vars loop=$_debug_config_keys}
-		_smarty_console.document.write("<tr bgcolor={if %config_vars.index% is even}#eeeeee{else}#fafafa{/if}><td valign=top><tt><font color=maroon>{ldelim}#{$_debug_config_keys[config_vars]}#{rdelim}</font></tt></td><td><tt><font color=green>{$_debug_config_vals[config_vars]|@debug_print_var}</font></tt></td></tr>");
+		_smarty_console.document.write("<tr bgcolor={if %config_vars.index% is even}#eeeeee{else}#fafafa{/if}><td valign=top><tt><font color=maroon>{ldelim}#{$_debug_config_keys[config_vars]}#{rdelim}</font></tt></td><td><tt><font color=green>{$_debug_config_vals[config_vars]|@debug_print_var|escape:javascript}</font></tt></td></tr>");
 	{sectionelse}
 		_smarty_console.document.write("<tr bgcolor=#eeeeee><td colspan=2><tt><i>no config vars assigned</i></tt></td></tr>");	
 	{/section}
diff --git a/libs/plugins/modifier.debug_print_var.php b/libs/plugins/modifier.debug_print_var.php
index cbd7b980..35283113 100644
--- a/libs/plugins/modifier.debug_print_var.php
+++ b/libs/plugins/modifier.debug_print_var.php
@@ -21,13 +21,12 @@
  */
 function smarty_modifier_debug_print_var($var, $depth = 0, $length = 40)
 {
-	$_search = array("!\n!", "!\r!", "!\t!");
-	$_replace = array('<i>&#92;n</i>', '<i>&#92;r</i>', '<i>&#92;t</i>');
+	$_replace = array("\n"=>'<i>&#92;n</i>', "\r"=>'<i>&#92;r</i>', "\t"=>'<i>&#92;t</i>');
     if (is_array($var)) {
         $results = "<b>Array (".count($var).")</b>";
         foreach ($var as $curr_key => $curr_val) {
             $return = smarty_modifier_debug_print_var($curr_val, $depth+1, $length);
-            $results .= '<br>\r'.str_repeat('&nbsp;', $depth*2)."<b>".preg_replace($_search, $_replace, $curr_key)."</b> =&gt; $return";
+            $results .= "<br>".str_repeat('&nbsp;', $depth*2)."<b>".strtr($curr_key, $_replace)."</b> =&gt; $return";
         }
         return $results;
     } else if (is_object($var)) {
@@ -35,7 +34,7 @@ function smarty_modifier_debug_print_var($var, $depth = 0, $length = 40)
         $results = "<b>".get_class($var)." Object (".count($object_vars).")</b>";
         foreach ($object_vars as $curr_key => $curr_val) {
             $return = smarty_modifier_debug_print_var($curr_val, $depth+1, $length);
-            $results .= '<br>\r'.str_repeat('&nbsp;', $depth*2)."<b>$curr_key</b> =&gt; $return";
+            $results .= "<br>".str_repeat('&nbsp;', $depth*2)."<b>$curr_key</b> =&gt; $return";
         }
         return $results;
     } else {
@@ -48,7 +47,7 @@ function smarty_modifier_debug_print_var($var, $depth = 0, $length = 40)
             $results = $var;
         }
         $results = htmlspecialchars($results);
-        $results = preg_replace($_search, $_replace, $results);
+        $results = strtr($results, $_replace);
         return $results;
     }
 }