function changeImage1(){
    document.myimg1.src="../images/bm_wn_on.gif";
}
function changeImage2(){
    document.myimg1.src="../images/bm_wn_off.gif";
}
function changeImage3(){
    document.myimg2.src="../images/bm_tm_on.gif";
}
function changeImage4(){
    document.myimg2.src="../images/bm_tm_off.gif";
}
function changeImage5(){
    document.myimg3.src="../images/bm_cs_on.gif";
}
function changeImage6(){
    document.myimg3.src="../images/bm_cs_off.gif";
}
function changeImage7(){
    document.myimg4.src="../images/bm_pf_on.gif";
}
function changeImage8(){
    document.myimg4.src="../images/bm_pf_off.gif";
}
function changeImage9(){
    document.myimg5.src="../images/bm_cu_on.gif";
}
function changeImage10(){
    document.myimg5.src="../images/bm_cu_off.gif";
}
function changeImage11(){
    document.myimg6.src="../images/bm_self_on.gif";
}
function changeImage12(){
    document.myimg6.src="../images/bm_self_off.gif";
}
function changeImage13(){
    document.myimg7.src="../images/bm_tp_on.gif";
}
function changeImage14(){
    document.myimg7.src="../images/bm_tp_off.gif";
}
function changeImage15(){
    document.myimg8.src="../images/bm_ha_on.gif";
}
function changeImage16(){
    document.myimg8.src="../images/bm_ha_off.gif";
}
function changeImage17(){
    document.myimg9.src="../images/bm_lk_on.gif";
}
function changeImage18(){
    document.myimg9.src="../images/bm_lk_off.gif";
}
function changeImage19(){
    document.myimg10.src="../images/bm_ma_on.gif";
}
function changeImage20(){
    document.myimg10.src="../images/bm_ma_off.gif";
}