function MuestraCapa(idCapa) {
	if (document.getElementById) {		
			document.getElementById(idCapa).style.visibility='visible';
			document.getElementById(idCapa).style.height='auto';
	} else if (document.all) {		
			eval('document.all.'+idCapa+'.style.visibility="visible"');
			eval('document.all.'+idCapa+'.style.height="auto"');
	} else if (document.layers) {		
			document.layers[idCapa].visibility='show';
			document.layers[idCapa].height='auto';
	}
} 

function OcultaCapa(idCapa) {
	if (document.getElementById) {		
			document.getElementById(idCapa).style.visibility='hidden';
			document.getElementById(idCapa).style.height='0pt';
	} else if (document.all) {		
			eval('document.all.'+idCapa+'.style.visibility="hidden"');
			eval('document.all.'+idCapa+'.style.height="0pt"');
	} else if (document.layers) {		
			document.layers[idCapa].visibility='hide';
			document.layers[idCapa].height='0pt';
	}
}