var activeForm = null;

function setActiveForm(form){
   if (activeForm != null && activeForm != form)
   {
      activeForm.style.backgroundColor = '';
      activeForm.style.borderColor = '#fff';
   }
   if ((activeForm = form) != null)
   {
      activeForm.style.backgroundColor = '#f7f7f7';
      activeForm.style.borderColor = '#f0f0f0';
   }
}

function init(){
   var quickSearch = (function(){setActiveForm(document.getElementById('QuickSearch'));});
      document.getElementById('QuickSearch:q').onfocus = quickSearch;
      document.getElementById('QuickSearch:btnSearch').onfocus = quickSearch;

   var mapSearch = (function(){setActiveForm(document.getElementById('MapSearch'));});
      document.getElementById('MapSearch:z').onfocus = mapSearch;
      document.getElementById('MapSearch:c').onfocus = mapSearch;
      document.getElementById('MapSearch:s').onfocus = mapSearch;
      document.getElementById('MapSearch:btnSearch').onfocus = mapSearch;

   var advSearch = (function(){setActiveForm(document.getElementById('AdvSearch'));});
      document.getElementById('AdvSearch:n').onfocus = advSearch;
      document.getElementById('AdvSearch:c').onfocus = advSearch;
      document.getElementById('AdvSearch:s').onfocus = advSearch;
      document.getElementById('AdvSearch:z').onfocus = advSearch;
      document.getElementById('AdvSearch:y').onfocus = advSearch;
      document.getElementById('AdvSearch:btnSearch').onfocus = advSearch;
}