#ad_c1,#under_post_news,#ad_c2,#ad_t2,#under_post_kb{
    display: none;
}
#blog_nav_sitehome.menu{
    display: none;
}
#main,#navigator{
    /*filter:alpha(opacity=50);  
      -moz-opacity:0.5;  
      -khtml-opacity: 0.5;  
      opacity: 0.5;  */
    background:rgba(0,0,0,0.5);
}
#mainContent{
   /* background:rgba(0,0,0,0);*/
}