if( navigator.appVersion.charAt(0) >= "3" ){
      up01   = new Image(); up01.src = "../Images-Common/button_01f.gif";
      up02   = new Image(); up02.src = "../Images-Common/button_02f.gif";
      up03   = new Image(); up03.src = "../Images-Common/button_03f.gif";
      up04   = new Image(); up04.src = "../Images-Common/button_04f.gif";
      up05   = new Image(); up05.src = "../Images-Common/button_05f.gif";
      up06   = new Image(); up06.src = "../Images-Common/button_06f.gif";
      up07   = new Image(); up07.src = "../Images-Common/button_07f.gif";
      up08   = new Image(); up08.src = "../Images-Common/button_08f.gif";
      up09   = new Image(); up09.src = "../Images-Common/button_09f.gif";
      up10   = new Image(); up10.src = "../Images-Common/button_10f.gif";
      over01 = new Image(); over01.src = "../Images-Common/button_01b.gif";
      over02 = new Image(); over02.src = "../Images-Common/button_02b.gif";
      over03 = new Image(); over03.src = "../Images-Common/button_03b.gif";
      over04 = new Image(); over04.src = "../Images-Common/button_04b.gif";
      over05 = new Image(); over05.src = "../Images-Common/button_05b.gif";
      over06 = new Image(); over06.src = "../Images-Common/button_06b.gif";
      over07 = new Image(); over07.src = "../Images-Common/button_07b.gif";
      over08 = new Image(); over08.src = "../Images-Common/button_08b.gif";
      over09 = new Image(); over09.src = "../Images-Common/button_09b.gif";
      over10 = new Image(); over10.src = "../Images-Common/button_10b.gif";
    }