/*
// +----------------------------------------------------------------------+
// | Copyright (c) 2004 Bitflux GmbH                                      |
// +----------------------------------------------------------------------+
// | Licensed under the Apache License, Version 2.0 (the "License");      |
// | you may not use this file except in compliance with the License.     |
// | You may obtain a copy of the License at                              |
// | http://www.apache.org/licenses/LICENSE-2.0                           |
// | Unless required by applicable law or agreed to in writing, software  |
// | distributed under the License is distributed on an "AS IS" BASIS,    |
// | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or      |
// | implied. See the License for the specific language governing         |
// | permissions and limitations under the License.                       |
// +----------------------------------------------------------------------+
// | Author: Bitflux GmbH <devel@bitflux.ch>                              |
// +----------------------------------------------------------------------+

*/
var liveSearchReq = false;
var t = null;
var liveSearchLast = "";
var isIE = false;
// on !IE we only have to initialize it once
if (window.XMLHttpRequest) {
  liveSearchReq = new XMLHttpRequest();
}

var hasSearchBox = false;

// Define variable containing location of livesearch.php script - necessary for the xmlhttprequest
var livesearch_submit_url = "http://nastroenie.com.ua/wp-content/plugins/livesearch/livesearch.php?s=";

function liveSearchInit() {
  if (document.getElementById('livesearch')) {
    hasSearchBox = true;
  } else {
    return;
  }
  
  if (navigator.userAgent.indexOf("Safari") > 0) {
    document.getElementById('livesearch').addEventListener("keydown",liveSearchKeyPress,false);
  } else if (navigator.product == "Gecko") {
    document.getElementById('livesearch').addEventListener("keypress",liveSearchKeyPress,false);
    
  } else {
    document.getElementById('livesearch').attachEvent('onkeydown',liveSearchKeyPress);
    isIE = true;
  }

}

//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
if (typeof window.addLoadEvent != 'function') {
  function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function'){
      window.onload = func;
    } else {
      window.onload = function(){
      oldonload();
      func();
      }
    }
  }
}

addLoadEvent(liveSearchInit); // run liveSearchInit onLoad

function liveSearchKeyPress(event) {
  if (!hasSearchBox) {
    return;
  }
  
  var highlight;
  
  if (event.keyCode == 40 )
  //KEY DOWN
  {
    highlight = document.getElementById("LSHighlight");
    if (!highlight) {
      highlight = document.getElementById("LSResult").firstChild.firstChild.nextSibling.nextSibling.firstChild;
    } else {
      highlight.removeAttribute("id");
      highlight = highlight.nextSibling;
    }
    if (highlight) {
      highlight.setAttribute("id","LSHighlight");
    } 
    if (!isIE) { event.preventDefault(); }
  } 
  //KEY UP
  else if (event.keyCode == 38 ) {
    highlight = document.getElementById("LSHighlight");
    if (!highlight) {
      highlight = document.getElementById("LSResult").firstChild.firstChild.nextSibling.nextSibling.lastChild;
    } 
    else {
      highlight.removeAttribute("id");
      highlight = highlight.previousSibling;
    }
    if (highlight) {
        highlight.setAttribute("id","LSHighlight");
    }
    if (!isIE) { event.preventDefault(); }
  } 
  //ESC
  else if (event.keyCode == 27) {
    highlight = document.getElementById("LSHighlight");
    if (highlight) {
      highlight.removeAttribute("id");
    }
    resetSearch();
  } 
}

function liveSearchStart() {
  if (t) {
    window.clearTimeout(t);
  }
  t = window.setTimeout("liveSearchDoSearch()",200);
}

function liveSearchProcessReqChange() {
  if (!hasSearchBox) {
    return;
  }
  
  if (liveSearchReq.readyState == 4) {
    var  res = document.getElementById("LSResult");
    res.style.display = "block";
    // res.firstChild.innerHTML = liveSearchReq.responseText; 
    res.firstChild.innerHTML = '<div id="searchcontrols" class="oddresult"><div class="alignleft"><small>Курсор &amp; Enter</small></div><div class="alignright"><small><a href="javascript://" title="Результаты поиска" onclick="resetSearch()" onkeypress="this.click();">закрыть (esc)</a></small></div><br /></div><div id="searchheader" ><strong><small>Топ 10 результатов поиска</small></strong></div>'+liveSearchReq.responseText;
  }
}

function liveSearchSubmit() {
  if (!hasSearchBox) {
    return false;
  }
  
  var highlight = document.getElementById("LSHighlight");
  if (highlight && highlight.firstChild) {
    window.location = highlight.firstChild.getAttribute("href");
    return false;
  } 
  else {
    return true;
  }
}

function closeResults() {
  if (!hasSearchBox) {
    return;
  }
  
    document.getElementById("LSResult").style.display = "none";
}

function resetSearch() {
  if (!hasSearchBox) {
    return;
  }
  
  closeResults();
  document.getElementById('livesearch').value = "Что будем искать?";
  document.getElementById('livesearch').style.color = "#888888";
}

function liveSearchDoSearch() {
  if (!hasSearchBox) {
    return false;
  }
  var highlight;
  
  if (liveSearchLast != document.forms.searchform.s.value) {
  if (liveSearchReq && liveSearchReq.readyState < 4) {
    liveSearchReq.abort();
  }
  if ( document.forms.searchform.s.value == "") {
    document.getElementById("LSResult").style.display = "none";
    highlight = document.getElementById("LSHighlight");
    if (highlight) {
      highlight.removeAttribute("id");
    }
    return false;
  }
  if (window.XMLHttpRequest) {
  // branch for IE/Windows ActiveX version
  } else if (window.ActiveXObject) {
    liveSearchReq = new ActiveXObject("Microsoft.XMLHTTP");
  }
  liveSearchReq.onreadystatechange= liveSearchProcessReqChange;
  
  liveSearchReq.open("GET", livesearch_submit_url + encodeURI(document.forms.searchform.s.value));
  
  liveSearchLast = document.forms.searchform.s.value;
  liveSearchReq.send(null);
  }
  return true;
}