function changeImage1(){
    document.myimg1.src="img/btn_home2.gif";
}
function changeImage2(){
    document.myimg1.src="img/btn_home1.gif";
}
function changeImage3(){
    document.myimg2.src="img/btn_intro2.gif";
}
function changeImage4(){
    document.myimg2.src="img/btn_intro1.gif";
}
function changeImage5(){
    document.myimg3.src="img/btn_case2.gif";
}
function changeImage6(){
    document.myimg3.src="img/btn_case1.gif";
}
function changeImage7(){
    document.myimg4.src="img/btn_ryokin2.gif";
}
function changeImage8(){
    document.myimg4.src="img/btn_ryokin1.gif";
}
function changeImage9(){
    document.myimg5.src="img/btn_mail2.gif";
}
function changeImage10(){
    document.myimg5.src="img/btn_mail1.gif";
}

function changeImage11(){
    document.myimg6.src="img/sdb_shinbi2.gif";
}
function changeImage12(){
    document.myimg6.src="img/sdb_shinbi.gif";
}
function changeImage13(){
    document.myimg7.src="img/sdb_kyosei2.gif";
}
function changeImage14(){
    document.myimg7.src="img/sdb_kyosei.gif";
}
function changeImage15(){
    document.myimg8.src="img/sdb_white2.gif";
}
function changeImage16(){
    document.myimg8.src="img/sdb_white.gif";
}
function changeImage17(){
    document.myimg9.src="img/sdb_wc2.gif";
}
function changeImage18(){
    document.myimg9.src="img/sdb_wc.gif";
}
function changeImage19(){
    document.myimg10.src="img/sdb_pmtc2.gif";
}
function changeImage20(){
    document.myimg10.src="img/sdb_pmtc.gif";
}
function changeImage21(){
    document.myimg11.src="img/sdb_haguki2.gif";
}
function changeImage22(){
    document.myimg11.src="img/sdb_haguki.gif";
}
function changeImage23(){
    document.myimg12.src="img/sdb_kanpo2.gif";
}
function changeImage24(){
    document.myimg12.src="img/sdb_kanpo.gif";
}
function changeImage25(){
    document.myimg13.src="img/sdb_imp2.gif";
}
function changeImage26(){
    document.myimg13.src="img/sdb_imp.gif";
}
function changeImage27(){
    document.myimg14.src="img/sdb_shishu2.gif";
}
function changeImage28(){
    document.myimg14.src="img/sdb_shishu.gif";
}
function changeImage29(){
    document.myimg15.src="img/sdb_mutsu2.gif";
}
function changeImage30(){
    document.myimg15.src="img/sdb_mutsu.gif";
}
function changeImage31(){
    document.myimg16.src="img/sdb_koshu2.gif";
}
function changeImage32(){
    document.myimg16.src="img/sdb_koshu.gif";
}
function changeImage33(){
    document.myimg17.src="img/sdb_ireba2.gif";
}
function changeImage34(){
    document.myimg17.src="img/sdb_ireba.gif";
}

function changeImage35(){
    document.myimg18.src="img/sdb_mail2.gif";
}
function changeImage36(){
    document.myimg18.src="img/sdb_mail.gif";
}


function changeImage37(){
    document.myimg19.src="img/sdb_map2.gif";
}
function changeImage38(){
    document.myimg19.src="img/sdb_map.gif";
}


function changeImage39(){
    document.myimg20.src="img/ban_bridal2.gif";
}
function changeImage40(){
    document.myimg20.src="img/ban_bridal.gif";
}


function changeImage41(){
    document.myimg21.src="img/sdb_cam2.gif";
}
function changeImage42(){
    document.myimg21.src="img/sdb_cam.gif";
}


function changeImage43(){
    document.myimg22.src="img/ban_shamail2.gif";
}
function changeImage44(){
    document.myimg22.src="img/ban_shamail1.gif";
}