var originalAction = '';
var ajaxAction = 'ajax_search';

 
function searchOnChange(e) {
  /*
  //e.stop();
  var req = new Request.HTML({
    method: 'post',
    url: ajaxAction,
    data: { 'do' : '1' },
    onRequest: function() { $('log').empty().addClass('ajaxLoading'); },
    update: $('log'),
    onComplete: function(response) {
    $('log').removeClass('ajaxLoading');
    }
  }).send();
  */
  
  $('log').empty().addClass('ajaxLoading');
  var form = $('search_form'); 
  form.setProperty('action', ajaxAction);
  var method = form.getProperty('method');
	form.set('send', {
    url: ajaxAction,
    method: 'post',
    update: $('log'),
		onComplete: function(response) { 
       $('log').removeClass('ajaxLoading'); 
       $('log').set('html',response);  
    }  
	});
  form.send(); // now it knows how to send it...
  $('search_form').setProperty('action', originalAction);  
  
}  	


window.addEvent('domready', function() {

  originalAction = $('search_form').getProperty('action');

  $('search_form').addEvent('change', function(e) {
    searchOnChange(e);
    });
    
  $('searchBoxShowResults').addEvent('click', function(e) {
    $('search_form').setProperty('action', originalAction);
    $('search_form').submit();
  });
  
  //v IE svazat udalost onchange s kazdym elementem
  $each($$('#search_form input'), function(element) {
    if (element.type == 'checkbox') {
    element.addEvent('click', function(e) {
        searchOnChange(e);
        });        
    } else if (element.type == 'text') {            
    element.addEvent('keyup', function(e) {
        searchOnChange(e);
        });
    element.addEvent('keydown', function(e) {
        var event = new Event(e);
        if (event.key != 'enter') searchOnChange(e);
        });        
    }
    });    
    
});