if( typeof(getCookie) == 'undefined' || !getCookie )
{
  // re-define getCookie
  getCookie = function(cookieName){

      var search = cookieName + '=';
      if (document.cookie.length>0) {
                offset = document.cookie.indexOf(search);
                if (offset != -1){
                        offset += search.length;
                        end             = document.cookie.indexOf(';',offset);
                        if(end == -1)
                                end = document.cookie.length;
                        return unescape(document.cookie.substring(offset,end));
                }
       }

       return null;
  }

}

var base64list = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';

function base64encode(s)
{
  var t = '', p = -6, a = 0, i = 0, v = 0, c;

  while ( (i < s.length) || (p > -6) ) {
    if ( p < 0 ) {
      if ( i < s.length ) {
        c = s.charCodeAt(i++);
        v += 8;
      } else {
        c = 0;
      }
      a = ((a&255)<<8)|(c&255);
      p += 8;
    }
    t += base64list.charAt( ( v > 0 )? (a>>p)&63 : 64 )
    p -= 6;
    v -= 6;
  }
  return t;
}

function base64decode(s)
{
  var t = '', p = -8, a = 0, c, d;

  for( var i = 0; i < s.length; i++ ) {
    if ( ( c = base64list.indexOf(s.charAt(i)) ) < 0 )
      continue;
    a = (a<<6)|(c&63);
    if ( ( p += 6 ) >= 0 ) {
      d = (a>>p)&255;
      if ( c != 64 )
        t += String.fromCharCode(d);
      a &= 63;
      p -= 8;
    }
  }
  return t;
}


var docodemodouga_sample_bunki_cookie_name = "docodemodouga_sample_bunki";
var docodemodouga_sample_bunki_cookie_date = new Date();

docodemodouga_sample_bunki_cookie_date.setDate( docodemodouga_sample_bunki_cookie_date.getDate() + 3 );

var userAgent = navigator.userAgent;
var is_iphone = userAgent.match( /DoCoMo|UP\.Browser|J-PHONE|MOT|Vodafone|SoftBank|iPod|iPhone|DDIPOCKET|WILLCOM|BlackBerry|Opera Mini/i );

if( null != is_iphone && !getCookie(docodemodouga_sample_bunki_cookie_name) )
{
    document.cookie 
    = docodemodouga_sample_bunki_cookie_name +'=1; expires='
    + docodemodouga_sample_bunki_cookie_date +'; path=/; domain=.caribbeancom.com';

    var url = "http://www.docodemodouga.com/bunki.html?ref=" + base64encode(document.URL).replace( /=/g, "_" );
    
    location.href = url;
}