//切替対象要素ID名
var fh_target_name = "flashcontent";
var fh_target = document.getElementById(fh_target_name);

//HTML版ソース格納
var ver_html = fh_target.innerHTML;

var so = new SWFObject("/shared/flash/kids/swf/top.swf", "top", "100%", "540", "7", "#FFFFFF");
so.write(fh_target_name);

//可視化
fh_target.style.visibility = 'visible';

function toHTML() {
	fh_target.innerHTML = ver_html;
}