function changeImage1(){
    document.myimg1.src="img/btn_home2.gif";
}
function changeImage2(){
    document.myimg1.src="img/btn_home.gif";
}
function changeImage3(){
    document.myimg2.src="img/btn_intro2.gif";
}
function changeImage4(){
    document.myimg2.src="img/btn_intro.gif";
}
function changeImage5(){
    document.myimg3.src="img/btn_chiryo2.gif";
}
function changeImage6(){
    document.myimg3.src="img/btn_chiryo.gif";
}
function changeImage7(){
    document.myimg4.src="img/btn_access2.gif";
}
function changeImage8(){
    document.myimg4.src="img/btn_access.gif";
}
function changeImage9(){
    document.myimg5.src="img/btn_mail2.gif";
}
function changeImage10(){
    document.myimg5.src="img/btn_mail.gif";
}





	function OpenWin1(){
	    win=window.open("kyo_white.html","","width=190,height=250");
	}
function OpenWin(){
	    win=window.open("map.html","new","width=640,height=780");
	}