#load{
	position: absolute;
	width: 200px;
	height: 10px;
	top: 0;
	z-index: 100;
	display: none;
	}
	#janela_centro{
	position: absolute;
	top: 0;
	left: 0;
	z-index: 90;
	width: 100%;
	height: 500px;
	background-color: #000000;
	display: none;
    opacity: 0.5;
	-moz-opacity: 0.5;
	filter: alpha(opacity=50);
	}
#janela_centro_conteudo_fundo{
	position: absolute;
	left: 0;
	width: 100%;
	z-index: 100;
	text-align: center;
	line-height: 0;
	display: none;
	}