//------------------------------------------------------------------------------------------------------
//ニュース一覧用
//------------------------------------------------------------------------------------------------------
function updateNews(txtdate){
	if(document.getElementsByTagName) {
		//sublist非表示
		var submenu = document.getElementsByTagName("div");
		for(var i=0; i < submenu.length; i++){
			if(submenu[i].getAttribute('id')){
				if(submenu[i].getAttribute('id').match("-list-sub-" + txtdate)){
					submenu[i].style.display = "block";
				}else if(submenu[i].getAttribute('id').match("-list-sub-")){
					submenu[i].style.display = "none";
				}
			}
		}
	}
}

<!--トップページ、メールフォームテキストフィールドの入力補助-->
var GuideSentence = "メールアドレス入力";
   function loadForm() {
		if(document.mailMagazineForm.elements['mail'].value != GuideSentence) {
			document.mailMagazineForm.elements['mail'].style.color = "#000000";
			document.mailMagazineForm.elements['inputFlg'].value = '1';
		}
	}
   function ShowFormGuide(obj) {
		if(obj.value == "") {
			obj.value = GuideSentence;
			obj.style.color = "#CCCCCC";
			document.mailMagazineForm.elements['inputFlg'].value = '0';
		}
	}
	function HideFormGuide(obj) {
		obj.style.color = "#000000";
		if(obj.value == GuideSentence) {
			obj.value = "";
			document.mailMagazineForm.elements['inputFlg'].value = '1';
		}
	}