var now_lang = 1;       // now language
var now_menu = 0;       // now selected menu

// menu info [name(e), name(j), id(e), id(j)]
var menu = new Array();
menu[0] = new Array("home", "home", "home", "home");
menu[1] = new Array("about pilates", "about pilates", "about_p_e", "about_p_j");
menu[2] = new Array("about us", "about us", "about_u_e", "about_u_j");
menu[3] = new Array("testimonials", "testimonials", "testimonials_e", "testimonials_j");
menu[4] = new Array("times&prices", "times&prices", "times_prices_e", "times_prices_j");
menu[5] = new Array("location", "location", "location_e", "location_j");
menu[6] = new Array("contact us", "contact us", "contact_e", "contact_j");

// address
address = new Array("Leconfield House, Curzon Street, London W1J 5JA", "Leconfield House, Curzon Street, London W1J 5JA");

// language menu
language = new Array("japanese", "english");

////////////////////////////////////////////////////////////
// toggle menu & contents by language
////////////////////////////////////////////////////////////
function ToggleMenu()
{
       if (now_lang == 1)
       {
               now_lang = 0;
       }
       else
       {
               now_lang = 1;
       }

       PrintMenu();
}

////////////////////////////////////////////////////////////
// change contents to selected menu
////////////////////////////////////////////////////////////
function SelectMenu(num)
{
       now_menu = num;
       PrintMenu();
}

////////////////////////////////////////////////////////////
// print menu & contents by selected language
////////////////////////////////////////////////////////////
function PrintMenu()
{
       for (i = 0; i < menu.length; i ++)
       {
               menu_str = menu[i][now_lang];
               if (now_menu == i)
               {
                       menu_str = '<font class="select">' + menu_str + '</font>';
               }
               document.getElementById("menu"+i).innerHTML = menu_str;

               document.getElementById(menu[i][2]).style.display = "none";
               document.getElementById(menu[i][3]).style.display = "none";
       }
       document.getElementById("publicity").style.display = "none";
       document.getElementById("google_map").style.display = "none";

       document.getElementById("address").innerHTML = address[now_lang];
       document.getElementById("lang").innerHTML = language[now_lang];

       // display now menu.
       document.getElementById(menu[now_menu][now_lang + 2]).style.display = "block";

       if (now_menu == 5)
       {
               document.getElementById("google_map").style.display = "block";
       }
}

////////////////////////////////////////////////////////////
// print publicity and delete "about us(j)"
////////////////////////////////////////////////////////////
function PrintPublicity()
{
       document.getElementById("about_u_j").style.display = "none";
       document.getElementById("publicity").style.display = "block";
}

////////////////////////////////////////////////////////////
// print google map
////////////////////////////////////////////////////////////
function PrintGoogleMap()
{
       document.getElementById("google_map").style.display = "block";
}

////////////////////////////////////////////////////////////
// delete loading block
////////////////////////////////////////////////////////////
function DeleteLoading()
{
       document.getElementById("loading").style.display = "none";
}