function desplega(capa){
	
  var valor="";
  valor=document.getElementById(capa);
 
  if (valor != null) {
	   if(valor.style.visibility=="visible")
	   {
		valor.style.visibility="hidden";
		valor.style.display="none";
	   }
	   else
	   {
		valor.style.visibility="visible";
		valor.style.display="inline";
	   }
  }
}

var message="";

function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers)
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}

document.oncontextmenu=new Function("return false");