<!--首頁產品-->
function indexpro(lan){
 var xmlHttp;
 var url='index.files/indexpro.php?lan='+lan;
 if (window.ActiveXObject) { 
  xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
 } 
 else if (window.XMLHttpRequest) { 
  xmlHttp = new XMLHttpRequest();
 } 
 
 xmlHttp.onreadystatechange = function(){
  if(xmlHttp.readyState == 4){
   document.getElementById('indexpro').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}
<!--首頁產品結束-->


<!--首頁最新消息-->
function indexnews(lan){
 var xmlHttp;
 var url='index.files/indexnews.php?lan='+lan;
 if (window.ActiveXObject) { 
  xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
 } 
 else if (window.XMLHttpRequest) { 
  xmlHttp = new XMLHttpRequest();
 } 
 
 xmlHttp.onreadystatechange = function(){
  if(xmlHttp.readyState == 4){
   document.getElementById('indexnews').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}
<!--首頁最新消息結束-->


<!--首頁展覽-->
function indexexhi(lan){
 var xmlHttp;
 var url='index.files/indexexhi.php?lan='+lan;
 if (window.ActiveXObject) { 
  xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
 } 
 else if (window.XMLHttpRequest) { 
  xmlHttp = new XMLHttpRequest();
 } 
 
 xmlHttp.onreadystatechange = function(){
  if(xmlHttp.readyState == 4){
   document.getElementById('indexexhi').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}
<!--首頁展覽結束-->