<!--右邊選項-->
function product(lan){
 var xmlHttp;
 var url='ajax/indexproduct2.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('indexproduct').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}

<!--右邊選項結束-->
<!--首頁ready to sell-->
function showsell(lan){
 var xmlHttp;
 var url='ajax/indexsell.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('psell').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}
<!--首頁ready to sell結束-->
<!--首頁Product Height light-->
function showphight(lan){
 var xmlHttp;
 var url='ajax/indextoproduct_detail.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('phlight').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}

function indexcompany(lan){
 var xmlHttp;
 var url='ajax/indexcompany2.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('indexcompany').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
<!--展覽場次-->
function display(lan){
 var xmlHttp;
 var url='ajax/display.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('display').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}
<!--展覽場次結束-->