var dir = document.body.className ? document.body.className + '/' : '';

window.pre_balloon1 = new Image();
window.pre_balloon1.src = '/images/t/' + dir + 'balloon1_text_w.png';

window.pre_balloon2 = new Image();
window.pre_balloon2.src = '/images/t/' + dir + 'balloon2_text_w.png';

window.pre_balloon3 = new Image();
window.pre_balloon3.src = '/images/t/' + dir + 'balloon3_text_w.png';

window.pre_balloon4 = new Image();
window.pre_balloon4.src = '/images/t/' + dir + 'balloon4_text_w.png';

window.pre_balloon5 = new Image();
window.pre_balloon5.src = '/images/t/' + dir + 'balloon5_text_w.png';

window.pre_balloon6 = new Image();
window.pre_balloon6.src = '/images/t/' + dir + 'balloon6_text_w.png';

window.pre_balloon7 = new Image();
window.pre_balloon7.src = '/images/t/' + dir + 'balloon7_text_w.png';