HpbImgPreload('_HPB_ROLLOVEI6', 'image/button/bt5b.gif', 'image/button/bt5h.gif');
HpbImgPreload('_HPB_ROLLOVER2', 'image/button/bt2b.gif', 'image/button/bt2h.gif');
HpbImgPreload('_HPB_ROLLOVER3', 'image/button/bt3b.gif', 'image/button/bt3h.gif');
HpbImgPreload('_HPB_ROLLOVER4', 'image/button/bt4b.gif', 'image/button/bt4h.gif');