//切替対象要素ID名
var fh_target_name = "flashcontent";

//HTML版ソース格納
var ver_html = document.getElementById(fh_target_name).innerHTML;

var so = new SWFObject("/shared/flash/miryoku/swf/fuji.swf", "fuji", "100%", "250", "7", "#FFFFFF");
so.write("flashcontent");

//HTML版切替処理
function toHTML() {
	document.getElementById(fh_target_name).innerHTML = ver_html;
}