function changeImage1(){
 document.sannai.src="m_img/m_colors.gif";
}
function changeImage2(){
 document.sannai.src="m_img/m_kons.gif";
}
function changeImage3(){
 document.shokai.src="m_img/m_colorss.gif";
}
function changeImage4(){
 document.shokai.src="m_img/m_konss.gif";
}
function changeImage5(){
 document.kotei.src="m_img/m_colork.gif";
}
function changeImage6(){
 document.kotei.src="m_img/m_konk.gif";
}
function changeImage7(){
 document.kannai.src="m_img/m_colorka.gif";
}
function changeImage8(){
 document.kannai.src="m_img/m_konka.gif";
}