function toggle(checks){
	for(var i=0;i<checks.length;i++)
	{
	checks[i].checked=!checks[i].checked;
	}
}

function toggleLayer( whichLayer, focusTo)
{
  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 = (vis.display==''||vis.display=='block')?'none':'block';
  
  if(vis.display == 'block')
		document.getElementById(focusTo).focus();				
  else {
		vis.display == 'block'; 
		document.getElementById(focusTo).focus();
  }

}

function getHash( hashStr ) {
  var hash = window.location.hash;
  if( hash == hashStr || hash == '#comments')
	  toggleLayer('respond', 'comment');
}