if(navigator.appVersion.charAt(0)>="3"){
	var img=new Array();
	img[0]=new Image();img[0].src="http://www.johokomachi.com/common/images/header_home_on.gif";
	img[1]=new Image();img[1].src="http://www.johokomachi.com/common/images/header_home_off.gif";
	img[2]=new Image();img[2].src="http://www.johokomachi.com/common/images/header_sitemap_on.gif";
	img[3]=new Image();img[3].src="http://www.johokomachi.com/common/images/header_sitemap_off.gif";
}
function _in(nam,num){
	if(navigator.appVersion.charAt(0)>="3"){
		document.images[nam].src=img[num].src;
	}
	else{
	}
}
function _out(nam,num){
	document.images[nam].src=img[num].src;
}