function AdjustPageTagContentsHeight()
{
	var clheight=document.documentElement.clientHeight;
	if(clheight<=0)
		clheight=document.body.clientHeight;
	var height=clheight-150;
	document.getElementById("pagetabrect").style.height=height+"px";
}

var soundEmbed = null;
function SoundPlay() {
  if ( !soundEmbed ) {
    soundEmbed = document.createElement("embed");
    soundEmbed.setAttribute("src", "http://yukino.kazekusa.jp/material/home_bgm.mp3");
    soundEmbed.setAttribute("hidden", true);
    soundEmbed.setAttribute("autostart", true);
  }
  soundEmbed.removed = false;
  document.body.appendChild(soundEmbed);
}