var dirFormHELP = ['help_linktype',
                     'help_contact',
					 'help_url',
					 'help_title',
					 'help_desc',
					 'help_reciprocal'];
					 
function toggle_reciprocal_help()  {
  var infoText = document.getElementById('linktype_free');
  var curStatus = document.getElementById('radio_linktype');
  
  infoText.style.display = (curStatus.checked) ? 'block' : 'none';
  }
  
function show_help (helpStr) {
  var helpWin;
  var newHelpBox = document.getElementById(helpStr);
  
  // hide any currently open boxes...
  for (i=0; i < dirFormHELP.length; i++) {
	helpWin = document.getElementById(dirFormHELP[i]);
	helpWin.style.display = 'none';
	}  

  // display new help window
  newHelpBox.style.display = 'block';
}