// find a DOM object and return it.
// Example: obj = findObj("image1");
function findObj(theObj, theDoc)
{
  var p, i, foundObj;
  
  if(!theDoc) theDoc = document;
  if( (p = theObj.indexOf("?")) > 0 && parent.frames.length)
  {
    theDoc = parent.frames[theObj.substring(p+1)].document;
    theObj = theObj.substring(0,p);
  }
  if(!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj];
  for (i=0; !foundObj && i < theDoc.forms.length; i++) 
    foundObj = theDoc.forms[i][theObj];
  for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) 
    foundObj = findObj(theObj,theDoc.layers[i].document);
  if(!foundObj && document.getElementById) foundObj = document.getElementById(theObj);
  
  return foundObj;
}

// preload images
if (document.images){

}

cN2Vis = null;
dN2Vis = null;

var menuTimer = 0;

function setN2DefVis(nN2Vis, lm)
{
	dN2Vis = findObj(nN2Vis);
	if (lm) {
		findObj('leftmenu').style.display = 'block';
		findObj('lefthide').style.display = 'none';
	} else {
		findObj('leftmenu').style.display = 'none';
		findObj('lefthide').style.display = 'block';
	}
	return nSetN2Vis(nN2Vis);
}

function setHomeVis(nN2Vis)
{
	if (nN2Vis == null)
		dN2Vis = null;
	else
		dN2Vis = findObj(nN2Vis);
	return nSetN2Vis(nN2Vis);
}

function nSetN2Vis(nN2Vis)
{
	if (menuTimer != 0)
		window.clearTimeout(menuTimer);
	menuTimer = 0;
	if (cN2Vis != null)
		cN2Vis.style.display = 'none';
	if (nN2Vis != null)
		cN2Vis = findObj(nN2Vis);
	else
		cN2Vis = null;
	if (cN2Vis != null)
		cN2Vis.style.display = 'inline';
	return true;
}

function restoreMenu()
{
	if (menuTimer != 0)
		window.clearTimeout(menuTimer);
	menuTimer = window.setTimeout("doRestoreMenu()",2000);
}

function keepMenu()
{
	if (menuTimer != 0)
		window.clearTimeout(menuTimer);
	menuTimer = 0;
}

function doRestoreMenu()
{
	menuTimer = 0;
	if (cN2Vis != null)
		cN2Vis.style.display = 'none';
	cN2Vis = dN2Vis;
	if (cN2Vis != null)
		cN2Vis.style.display = 'inline';
}