js 移除子元素

//下面是右下角的体验
function HiddleFlashContent(){
        var playerContent = document.getElementById('ePlayerContent');
        playerContent.parentNode.removeChild(playerContent);
    }
function outputTiYan()
{
    
    document.getElementById('tiYanTu').style.display='none';
    var str=" <!-- 播放器代碼塊  --><div id='ePlayerContent' style='display:block;border:0px;'>    <embed width='350' height='432'  type='application/x-shockwave-flash' allowscriptaccess='always'         quality='high'  wmode='transparent' flashvars='companyUrl=www.szfzxx.com/EPlayer&flvUrl=home.swf&skinName=Original&isAutoPlay=true&videoWidth=350&videoHeight=...'         src='http://www.szfzxx.com/EPlayer/EPlayer.swf'/> </div><!-- 播放器代碼塊  -->";
    document.getElementById('puttianyan').innerHTML=str;
}