if (document.images) {
single_01_off = new Image(70, 70);
single_01_off.src = 'images/shisetsu/single_01_s.jpg';
single_01_over = new Image(295, 220);
single_01_over.src ='images/shisetsu/single_01_b.jpg';

single_02_off = new Image(70, 70);
single_02_off.src = 'images/shisetsu/single_02_s.jpg';
single_02_over = new Image(295, 220);
single_02_over.src ='images/shisetsu/single_02_b.jpg';

single_03_off = new Image(70, 70);
single_03_off.src = 'images/shisetsu/single_03_s.jpg';
single_03_over = new Image(295, 220);
single_03_over.src ='images/shisetsu/single_03_b.jpg';

single_04_off = new Image(70, 70);
single_04_off.src = 'images/shisetsu/single_04_s.jpg';
single_04_over = new Image(295, 220);
single_04_over.src ='images/shisetsu/single_04_b.jpg';

twin_01_off = new Image(70, 70);
twin_01_off.src = 'images/shisetsu/twin_01_s.jpg';
twin_01_over = new Image(295, 220);
twin_01_over.src ='images/shisetsu/twin_01_b.jpg';

twin_02_off = new Image(70, 70);
twin_02_off.src = 'images/shisetsu/twin_02_s.jpg';
twin_02_over = new Image(295, 220);
twin_02_over.src ='images/shisetsu/twin_02_b.jpg';

twin_03_off = new Image(70, 70);
twin_03_off.src = 'images/shisetsu/twin_03_s.jpg';
twin_03_over = new Image(295, 220);
twin_03_over.src ='images/shisetsu/twin_03_b.jpg';

twin_04_off = new Image(70, 70);
twin_04_off.src = 'images/shisetsu/twin_04_s.jpg';
twin_04_over = new Image(295, 220);
twin_04_over.src ='images/shisetsu/twin_04_b.jpg';
}

function di(id,name) {
if (document.images) {
document.images[id].src=eval(name+".src");}
}