// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults
function statusSet(statusText)
{
  window.status=statusText;
  return true;
}

function statusReset()
{
  window.status='';
  return true;
}

function showLayer(whichLayer)
{
  toggleLayer(whichLayer,'block');
}

function hideLayer(whichLayer)
{
  toggleLayer(whichLayer,'none');
}

function toggleLayer(whichLayer,dispValue)
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
    elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (dispValue==null)?((vis.display==''||vis.display=='block')?'none':'block'):dispValue;
}