Cmenu and Css

I want to change the css of a widget Menu :


<?php $this->widget('zii.widgets.CMenu',array(

			'items'=>array(

				array('label'=>'Home', 'url'=>array('/site/index'), 'itemOptions'=>array('class'=>'home_en_us')),


				array('label'=>'About', 'url'=>array('/site/page', 'view'=>'about')),

				array('label'=>'Contact', 'url'=>array('/site/contact')),

				//array('label'=>'Login', 'url'=>array('/site/login'), 'visible'=>Yii::app()->user->isGuest),

				//array('label'=>'Logout ('.Yii::app()->user->name.')', 'url'=>array('/site/logout'), 'visible'=>!Yii::app()->user->isGuest),

                                array('url'=>Yii::app()->getModule('user')->loginUrl, 'label'=>Yii::app()->getModule('user')->t("Login"), 'visible'=>Yii::app()->user->isGuest),

                                array('url'=>Yii::app()->getModule('user')->registrationUrl, 'label'=>Yii::app()->getModule('user')->t("Register"), 'visible'=>Yii::app()->user->isGuest),

                                array('url'=>Yii::app()->getModule('user')->profileUrl, 'label'=>Yii::app()->getModule('user')->t("Profile"), 'visible'=>!Yii::app()->user->isGuest),

                                array('url'=>Yii::app()->getModule('user')->logoutUrl, 'label'=>Yii::app()->getModule('user')->t("Logout").' ('.Yii::app()->user->name.')', 'visible'=>!Yii::app()->user->isGuest),

                                array('label'=>'Rights', 'url'=>array('/rights/authItem/generate'), 'visible'=>Yii::app()->user->checkAccess(Rights::module()->superuserName)),

                                ),

                         'htmlOptions'=>array('id'=>'mainnav')

		)); ?>

But, the last line don’t work : ‘htmlOptions’=>array(‘id’=>‘mainnav’)

the code is : <ul id="yw0"> , So how to change it in order to have <ul id="mainnav">

Thanks




<?php $this->widget('zii.widgets.CMenu',array(

                        'id'=>'mainnav',

                        'items'=>array(

                                array('label'=>'Home', 'url'=>array('/site/index'), 'itemOptions'=>array('class'=>'home_en_us')),

                                array('label'=>'About', 'url'=>array('/site/page', 'view'=>'about')),

                                array('label'=>'Contact', 'url'=>array('/site/contact')),

                                //array('label'=>'Login', 'url'=>array('/site/login'), 'visible'=>Yii::app()->user->isGuest),

                                //array('label'=>'Logout ('.Yii::app()->user->name.')', 'url'=>array('/site/logout'), 'visible'=>!Yii::app()->user->isGuest),

                                array('url'=>Yii::app()->getModule('user')->loginUrl, 'label'=>Yii::app()->getModule('user')->t("Login"), 'visible'=>Yii::app()->user->isGuest),

                                array('url'=>Yii::app()->getModule('user')->registrationUrl, 'label'=>Yii::app()->getModule('user')->t("Register"), 'visible'=>Yii::app()->user->isGuest),

                                array('url'=>Yii::app()->getModule('user')->profileUrl, 'label'=>Yii::app()->getModule('user')->t("Profile"), 'visible'=>!Yii::app()->user->isGuest),

                                array('url'=>Yii::app()->getModule('user')->logoutUrl, 'label'=>Yii::app()->getModule('user')->t("Logout").' ('.Yii::app()->user->name.')', 'visible'=>!Yii::app()->user->isGuest),

                                array('label'=>'Rights', 'url'=>array('/rights/authItem/generate'), 'visible'=>Yii::app()->user->checkAccess(Rights::module()->superuserName)),

                                ),

                )); ?>



thanks a lot, that’s it :)