.black_overlay{
          display: none;
          position: absolute;
          top: 0%;
          left: 0%;
          width: 100%;
          background-color: black;
          z-index:1001;
          -moz-opacity: 0.8;
          opacity:.80;
          filter: alpha(opacity=80);
       		height: 3000px;

      }

       

      .white_content {

          display: none;
          position: absolute;
          top: 25%;
          left: 25%;
          width: 500px;
		  !widt:500px;;
          height: 310px;
          background-color: white;
          z-index:1002;
          overflow: auto;
		  padding: 5px;
		border: 4px solid #ffffff;
		margin:0 0 10px 0;
      }