function preload() {
    var btnhome = new Image();
    var btn01 = new Image();
    var btn02 = new Image();
    var btn03 = new Image();
    var btn04 = new Image();
    var btn05 = new Image();
    var btn06 = new Image();
    var btn07 = new Image();
    var btn08 = new Image();
    var btn09 = new Image();
    var btn10 = new Image();
    var btn11 = new Image();
    var btn12 = new Image();
    var btn13 = new Image();
    var btn14 = new Image();
    var btn15 = new Image();
    var btn16 = new Image();
    var btn17 = new Image();
    var btn_nl = new Image();
    var btngo = new Image();
    var btn_lan_j = new Image();
    var btn_contact = new Image();
    btnhome.src = "images/btn_home2.gif";
    btn01.src = "images/btn1_pkg2.gif";
    btn02.src = "images/btn2_airfare2.gif";
    btn03.src = "images/btn3_cruise2.gif";
    btn04.src = "images/btn4_golf2.gif";
    btn05.src = "images/btn5_hotel2.gif";
    btn06.src = "images/btn6_eco2.gif";
    btn07.src = "images/btn7_spa2.gif";
    btn08.src = "images/btn8_diving2.gif";
    btn09.src = "images/btn_siaez2.gif";
    btn10.src = "images/btn_silkair2.gif";
    btn11.src = "images/btn_garuda2.gif";
    btn12.src = "images/btn_exotic2.gif";
    btn13.src = "images/btn_luxury2";
    btn14.src = "images/btn_villa2.gif";
    btn15.src = "images/btn_cruise2.gif";
    btn16.src = "images/btn_unesco2.gif";
    btn17.src = "images/btn_diving2.gif";
    btn_nl.src = "images/btn_nl2.gif";
    btngo.src = "images/btn_go2.gif";
    btn_lan_j = "images/btn_lan_j2.gif";
    btn_contact = "images/btn_top_contact2.gif";
  }

  function c_asia(WO) {
    if (WO.asia.selectedIndex==1) {
      asia = "c_thailand.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==2) {
      asia = "c_malaysia.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==3) {
      asia = "c_indonesia.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==4) {
      asia = "c_brunei.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==5) {
      asia = "c_vietnam.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==6) {
      asia = "c_cambodia.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==7) {
      asia = "c_laos.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==8) {
      asia = "c_myanmar.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==9) {
      asia = "c_china.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==10) {
      asia = "c_philippines.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==11) {
      asia = "c_japan.asp";
      location.href = asia;
    }
    if (WO.asia.selectedIndex==12) {
      asia = "c_taiwan.asp";
      location.href = asia;
    }
  }

  function c_wa_mid(WO) {
    if (WO.wa_mid.selectedIndex==1) {
      nepal = "c_nepal.asp";
      location.href= nepal;
    }
    if (WO.wa_mid.selectedIndex==2) {
      india = "c_india.asp";
      location.href= india;
    }
    if (WO.wa_mid.selectedIndex==3) {
      dubai = "c_dubai.asp";
      location.href= dubai;
    }
    if (WO.wa_mid.selectedIndex==4) {
      srilanka = "c_srilanka.asp";
      location.href= srilanka;
    }
  }

  function c_oceania(WO) {
    if (WO.oceania.selectedIndex==1) {
      oceania = "c_australia.asp";
      location.href= oceania;
    }
    if (WO.oceania.selectedIndex==2) {
      oceania = "c_newzealand.asp";
      location.href= oceania;
    }
  }

  function c_euro(WO) {
    if (WO.uke.selectedIndex==1) {
      uke = "c_uk.asp";
      location.href= uke;
    }
    if (WO.uke.selectedIndex==2) {
      uke = "c_france.asp";
      location.href= uke;
    }
    if (WO.uke.selectedIndex==3) {
      uke = "c_switzerland.asp";
      location.href= uke;
    }
    if (WO.uke.selectedIndex==4) {
      uke = "c_germany.asp";
      location.href= uke;
    }
    if (WO.uke.selectedIndex==5) {
      uke = "c_spain.asp";
      location.href= uke;
    }
    if (WO.uke.selectedIndex==6) {
      uke = "c_italy.asp";
      location.href= uke;
    }
    if (WO.uke.selectedIndex==7) {
      uke = "c_greece.asp";
      location.href= uke;
    }
  }

  function c_maldives(WO) {
    if (WO.maldives.selectedIndex==1) {
      maldives = "c_maldives.asp";
      location.href= maldives;
    }
  }

  function c_mau(WO) {
    if (WO.mauri_sey.selectedIndex==1) {
      mauri_sey = "c_mauritius.asp";
      location.href= mauri_sey;
    }
    if (WO.mauri_sey.selectedIndex==2) {
      mauri_sey = "c_seychelles.asp";
      location.href= mauri_sey;
    }
  }


  function c_africa_med(WO) {
    if (WO.africa_med.selectedIndex==1) {
      africa_med = "c_turkey.asp";
      location.href= africa_med;
    }
    if (WO.africa_med.selectedIndex==2) {
      africa_med = "c_morocco.asp";
      location.href= africa_med;
    }
  }

  function UC() {
   location.href="uc.asp";
  }