//mostra layer
var n6=(navigator.userAgent.indexOf("Gecko")!=-1);
var laston = "";
var panes = new Array();

function setupPanes(containerId, defaultTabId) {
  
  panes[containerId] = new Array();
  var maxHeight = 0; var maxWidth = 0;
  var container = document.getElementById(containerId);
  var paneContainer = container.getElementsByTagName("div")[0];
  var paneList = paneContainer.childNodes;
  for (var i=0; i < paneList.length; i++ ) {
    var pane = paneList[i];
    if (pane.nodeType != 1) continue;
    if (pane.offsetHeight > maxHeight) maxHeight = pane.offsetHeight;
    if (pane.offsetWidth  > maxWidth ) maxWidth  = pane.offsetWidth;
    panes[containerId][pane.id] = pane;
  }
    paneContainer.style.height = maxHeight + "px";
    paneContainer.style.width  = maxWidth + "px";
    showLayer(defaultTabId);
}

function showLayer(lyr) {
	
	if (navigator.appName.indexOf("Netscape")>-1 && !n6){
		eval("document." + lyr + ".visibility = 'visible'");
	}else  if (n6){
		eval("document.getElementById('" + lyr + "').style.visibility = 'visible'");
	}else if (navigator.appName.indexOf("Microsoft Internet Explorer")>-1){
		eval("document.all." + lyr + ".style.visibility = 'visible'");
	}

laston = lyr;
}

function hideLayer(lyr) {
	
	if ((navigator.appName.indexOf("Microsoft Internet Explorer")>-1) && (laston != "")){
		eval("document.all." + lyr + ".style.visibility = 'hidden'");
	}else if (n6 && (laston != "") ){
		eval("document.getElementById('" + lyr + "').style.visibility = 'hidden'");
	}else if ((navigator.appName.indexOf("Netscape")>-1) && (laston != "") && !n6){
		eval("document." + lyr + ".visibility = 'hidden'");
	}
}