body {

	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	
	}

	#principal {
	
		background: #000;
		width  : 100%;
		height : 100%;
		margin : auto;
		text-align: left;
	/*	background: #000000;*/
	}

	.divPopup {

		width	  : 100%;
		height	  : 100%;
		background: #FFFFFF;
		position  : absolute;
		z-index	  :2;
		float:left;
		visibility:hidden;
		filter:alpha(opacity=50);
		-moz-opacity:.50;
		opacity:.50;

	}

	.divPopupConteudo {	
		top		 : 50%;
		left	 : 50%;		
		margin-left: -150px;
		margin-top:-150px;
		width	 : 322;
		height	 : auto;
		position : absolute;
		visibility:hidden;
		background-color:#ffffff;
		border	:4px solid #C86464;
		z-index	:4;
	}

	#divConteudo {
/*		position:absolute; tirando isto, consegui alinhar centralizado*/
		z-index:1;
		overflow:scroll;
		height:100%;

		
	}