function product1(id,lan){
 var xmlHttp;
 var url='../ajax/product1.php?id='+id+'&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('product1').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}                                                      

function product11(id,lan){
 var xmlHttp;
 var url='../ajax/invertor1.php?id='+id+'&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('product11').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
} 

<!--產品左邊的選項-->
function product12(id,lan){
 var xmlHttp;
 var url='../ajax/invertor2.php?id='+id+'&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('product12').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}

<!--秀底下的開立跟明細-->
function product13(gid,id,lan){
 var xmlHttp;
 var url='../ajax/invertor3.php?gid='+gid+'&id='+id+'&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('product13').innerHTML = xmlHttp.responseText;
  }
 }

 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}