/*==========================================================*/
/* menu */

if(document.images) {
var imgs = new Array();
imgs[0] = new Image(); imgs[0].src = "image/b1_on.gif";
imgs[1] = new Image(); imgs[1].src = "image/b1.gif";
imgs[2] = new Image(); imgs[2].src = "image/b2_on.gif";
imgs[3] = new Image(); imgs[3].src = "image/b2.gif";
imgs[4] = new Image(); imgs[4].src = "image/b3_on.gif";
imgs[5] = new Image(); imgs[5].src = "image/b3.gif";
imgs[6] = new Image(); imgs[6].src = "image/b4_on.gif";
imgs[7] = new Image(); imgs[7].src = "image/b4.gif";
imgs[8] = new Image(); imgs[8].src = "image/b5_on.gif";
imgs[9] = new Image(); imgs[9].src = "image/b5.gif";
imgs[10] = new Image(); imgs[10].src = "image/b6_on.gif";
imgs[11] = new Image(); imgs[11].src = "image/b6.gif";
imgs[12] = new Image(); imgs[12].src = "image/b7_on.gif";
imgs[13] = new Image(); imgs[13].src = "image/b7.gif";
imgs[14] = new Image(); imgs[14].src = "image/b8_on.gif";
imgs[15] = new Image(); imgs[15].src = "image/b8.gif";
imgs[16] = new Image(); imgs[16].src = "image/b9_on.gif";
imgs[17] = new Image(); imgs[17].src = "image/b9.gif";
imgs[18] = new Image(); imgs[18].src = "image/b11_on.gif";
imgs[19] = new Image(); imgs[19].src = "image/b11.gif";
}

function chgimg(id, imgname) {
if(document.images) {
if(imgs[imgname]) {
document.images[id].src = imgs[imgname].src;
}
else {
document.images[id].src = imgname;
}
}
}