//Gets the browser specific XmlHttpRequest Object

function getXmlHttpRequestObject() {
  if (window.XMLHttpRequest) {
    return new XMLHttpRequest();
  } 
  else if (window.ActiveXObject) {
    return new ActiveXObject("Microsoft.XMLHTTP");
  }
}

//Our XmlHttpRequest object to get the auto suggest
var searchReq = getXmlHttpRequestObject();

//Called from keyup on the search textbox.
//Starts the AJAX request.

function searchSuggest() {
  if (searchReq.readyState == 4 || searchReq.readyState == 0) {
    var str = escape(document.getElementById('txtSearch').value);
    searchReq.open("GET", 'http://www.schoutenwebdesign.nl/search_engine/search.php?q=' + str, true);
    searchReq.onreadystatechange = handleSearchSuggest;
    searchReq.send(null);
  }
}

//Called when the AJAX response is returned.
function handleSearchSuggest() {
  if (searchReq.readyState == 4) {
    var ss = document.getElementById('search_suggest');
    ss.innerHTML = '';
    ss.style.borderColor = '#888888';
    var str = searchReq.responseText.split("\n");
    for(i=0; i < str.length - 1; i++) {
      //Build our element string.  This is cleaner using the DOM, but
      //IE doesn't support dynamically added attributes.

      var suggest = '<div onmouseover="javascript:suggestOver(this);" ';
      suggest += 'onmouseout="javascript:suggestOut(this);" ';
      suggest += 'onclick="javascript:setSearch(this.innerHTML);" ';
      suggest += 'class="suggest_link">' + str[i] + '</div>';
      ss.innerHTML += suggest;
    }
  }
}

if (searchReq.readyState == 4) {
  var ss = document.getElementById('search_suggest')
  var str = searchReq.responseText.split("\n");
}

//Mouse over function
function suggestOver(div_value) {
  div_value.className = 'suggest_link_over';
}

//Mouse out function
function suggestOut(div_value) {
  div_value.className = 'suggest_link';
}

//Click function
function setSearch(value) {
  document.getElementById('txtSearch').value = value;
  document.getElementById('search_suggest').innerHTML = '';
  document.getElementById('search_suggest').style.borderColor = '#ffffff';
  document.getElementById('txtSearch').focus();
}

function leaveTxt() {
  var ss = document.getElementById('txtSearch');
  if (ss.value == '') {
    ss.value = '(zoeken..)';
    ss.style.color = '#888888';
  }
}

function focusTxt() {
  var ss = document.getElementById('txtSearch');
  if (ss.value == '(zoeken..)') {
    ss.value = '';
    ss.style.color = '#000000';
  }
}