function SearchAreaVisible()
{
	var disp = document.getElementById("SearchArea").style.display;

	if(disp != "none" || disp == "")
	{
		document.getElementById("SearchArea").style.display = "none";
		document.getElementById("SearchAreaButton").src="/images/system_icon/kensaku_show.gif";
	}
	else
	{
		document.getElementById("SearchArea").style.display = "block";
		document.getElementById("SearchAreaButton").src="/images/system_icon/kensaku_hide.gif";
	}
}