var xmlHttp;

function createXMLHttpRequest() {
  if(window.ActiveXObject) {
     xmlHttp = new ActiveXObject("Microsoft.XMLHttp");
  }
  else if(window.XMLHttpRequest) {
     xmlHttp = new XMLHttpRequest();
  }
}

function createQueryString() {
  var keyword = document.getElementById("livesearch").value;
  var queryString = "key=" + encodeURIComponent(keyword);
  return queryString;
}

function doLiveSearch () {
  //document.write createQueryString();
  createXMLHttpRequest();
  xmlHttp.open("GET","dolivesearch.php?" + createQueryString(),1);
  xmlHttp.onreadystatechange = handleStateChange;
  xmlHttp.send(null);
}

function handleStateChange () {
  if(xmlHttp.readyState == 4) {
     if(xmlHttp.status == 200) {
	   parseResult();
     }
  } else {
    document.getElementById("searchResult").innerHTML = '<br /><br /><br /><br /><br /><div id="wait"><img src="image/operation/loading.gif" alt=""><br />ËÑË÷ÖУ¬ÇëµÈ´ý...</div>';
  }
}

function parseResult() {
  var responseDiv = document.getElementById("searchResult");
  responseDiv.innerHTML = xmlHttp.responseText;
}

window.onload = function () {
document.getElementById("livesearch").focus();
};