$(document).ready(function() {
  var oSearch = $('#search-query').focus(function() { InitSearch(this, true); }).blur(function() { InitSearch(this) });
  InitSearch(oSearch);
});

function InitSearch(oObj, bFocus)
{
  var o = $(oObj);
  
  if(o.val() != '' || bFocus === true)
    o.addClass('search-query-hover');
  else
    o.removeClass('search-query-hover');
  
}