Mine

<a href="#" id="searchbutton" 
onclick="
var elements = document.getElementsByTagName('*');
el = getElementById('search');
Fat.fade_element('search', 25, 500, '#FFCC00', '#E4EAD8');
if (el.getAttribute('editingSearch')=='true') {
  el.setAttribute('editingSearch','false'); getElementById('SearchForm').parentNode.removeChild(getElementById('SearchForm'));
} else {
  el.setAttribute('editingSearch','true');
  form        = document.createElement('form');
  form.id     = 'SearchForm';
  form.method = 'post';
  form.action = '/free/index.php?prid=18&amp;t=TOPCAT&amp;user=Guest&amp;obj=';
  el.appendChild(form);
	 form.appendChild(document.createTextNode('Search by:'));
  ul             = document.createElement('ul');
  ul.id          = 'maintab';
  ul.className   = 'shadetabs';
  ul.onclick     = function() { this.value = ''; };
  form.appendChild(ul);
  li             = document.createElement('li');
  li.className   = '';
  ul.appendChild(li);
  a             = document.createElement('a');
  a.href        = "javascript:ajaxpage('contact/en_contact.php', 'ajaxcontentarea');";
  li.appendChild(a);
	 a.appendChild(document.createTextNode('Obj Ref'));
  li             = document.createElement('li');
  li.className   = '';
  ul.appendChild(li);
  a             = document.createElement('a');
  a.href        = "javascript:ajaxpage('contact/en_contact.php', 'ajaxcontentarea');";
  li.appendChild(a);
	 a.appendChild(document.createTextNode('Car'));
  li             = document.createElement('li');
  li.className   = '';
  ul.appendChild(li);
  a             = document.createElement('a');
  a.href        = "javascript:ajaxpage('contact/en_contact.php', 'ajaxcontentarea');";
  li.appendChild(a);
	 a.appendChild(document.createTextNode('Other Ref'));
  div             = document.createElement('ul');
  div.id          = 'ajaxcontentarea';
  div.className   = 'contentstyle';
  form.appendChild(div);
	 div.appendChild(document.createTextNode('Select a tap from the top'));
}
alert('1');
return true;
">