div#layer_principal	{ 
	position:relative; overflow:hidden;
	width:232px; height:196px; 
  z-index:100; 
	}
div#layer_scroll	{ 
	position:absolute; 
	left:0px; top:0px; 
	width:232px; height:196px; 
	clip:rect(0px, 232px, 196px, 0px); 
	overflow:hidden;	
	z-index:1; 
	}
div.conteudo { 
	position:absolute; visibility:hidden;
	left:0px; top:0px; 
	z-index:1; 
	}