var ajaxRequest = null;
$(document).ready(function(){
    var searchTimeout = null;
    var value = null;
    $('#search_text').attr('autocomplete','off');
    $('#search_text').keyup(function(){
		if(value!=$(this).val()) {
			clearTimeout(searchTimeout);
			searchTimeout = setTimeout(search,500);
		}
		
		value = $(this).val();
    })
    
    $('#search_text').blur(function(){
    	setTimeout("$('#search-preview').hide()",200);
    })
    
    $('#search_text').focus(function(){
    	if($('#search-preview').html()!='') {
    		$('#search-preview').show();
    	} else if($('#search_text').val()!='') {
    		search();
    	}
    })
    
  });

  function search(){
  	if (ajaxRequest != null) {
  		ajaxRequest.abort();
  	}
	if($('#search_text').val()=='') return;
	$('#search-preview').html('');
	$('#search-preview').hide();
	var search_text = $('#search_text').val();
	var lente = baseUrl+'/../immagini/search.png';
	$('#search_button').attr('src',baseUrl+'/../immagini/caricamento.gif');

	$('#search-preview').load(baseUrl+'/search/index/ajax',
          {search_text:search_text},
          function(){
              $('#search_button').attr('src',lente);

                $('#search-preview').css('position','absolute');
                $('#search-preview').css('width',$('#search-box').width()+2);
                $('#search-preview').css('background-color','white');
                $('#search-preview').css('top',($('#search-box').position().top+21)+'px');
                $('#search-preview').css('left',$('#search-box').position().left+'px');
                $('#search-preview').css('z-index',1000);

                $('#search-preview').show();
                
          });
  }