// main menu
 function menu01(){ 
  location.href="/eintro/enterpriseintro.aspx"; 
 }
 function menu02(){ 
  location.href="/commodity/autoopen.aspx"; 
 }
 function menu03(){ 
  location.href="/construction/howto_construction.aspx"; 
 }
 function menu04(){ 
  location.href="/sale/howto_sale.aspx"; 
 }
 function menu05(){ 
  location.href="/community/qna_List.aspx"; 
 }
 

////  menu sub02
function menu02sub05(){ 
  location.href="/commodity/autoopen.aspx"; 
 }
function menu02sub01(){ 
  location.href="/commodity/motel_construction.aspx"; 
 }
function menu02sub02(){ 
  location.href="/commodity/rope_design.aspx"; 
 }
 function menu02sub03(){ 
  location.href="/commodity/rope_list.aspx"; 
 }
 function menu02sub04(){ 
  location.href="/commodity/balance.aspx"; 
 }