added CJavaScriptExpression while keeping BC

framework/web/helpers/CJavaScriptExpression.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * CJavaScriptExpression class file.
+ *
+ * @author Alexander Makarov <sam@rmcreative.ru>
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright &copy; 2012 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+/**
+ * CJavaScriptExpression represents a JavaScript expression that does not need escaping.
+ * It can be passed to {@link CJavaScript::encode()} and the code will stay as is
+ * no matter if $safe set to true or not.
+ *
+ * @author Alexander Makarov <sam@rmcreative.ru>
+ * @package system.web.helpers
+ * @since 1.1.11
+ */
+class CJavaScriptExpression
+{
+	public $code;
+
+	/**
+	 * @param $code
+	 */
+	public function __construct($code)
+	{
+		$this->code=$code;
+	}
+
+	/**
+	 * String magic method
+	 * @return string the DB expression
+	 */
+	public function __toString()
+	{
+		return $this->code;
+	}
+}