function showCorp() {
	if (document.getElementById("comm")) {
		if (document.getElementById("comm").style.display == "") {
			document.getElementById("comm").style.display = "none";
			document.getElementById("imgArrow").src = "/sonyWeb/resources/images/chi/mysonyportal/member-arrow.gif";
		}
		else {
			document.getElementById("comm").style.display = "";
			document.getElementById("imgArrow").src = "/sonyWeb/resources/images/chi/mysonyportal/member-arrow-up.gif";
		}
	}
}