DIV CSS 佈局教程網

//創建對象
function createXMLHttpRequest(){
 if(window.ActiveXObject){
  xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");    
 }
 else if(window.XMLHttpRequest){
  xmlHttp = new XMLHttpRequest();
 }
}

//前台界面事件調用的函數
function checkName(){
 createXMLHttpRequest();
 XMLHttp.onreadystatechange = handleStateChange;
 var sql = "UserReg.ASPx?";
 XMLHttp.open("GET",sql,true);
 XMLHttp.send(null);
}

//和服務器交互期間執行的函數
function handleStateChange(){
 if(XMLHttp.readyState == 4){
  if(XMLHttp.status == 200){   
  document.getElementById("divx").innerHtml = XMLHttp.responseText;
  }
 }
}

<script>