/* ���C���[ */

timerID=setTimeout('void(0)',1000);
function ShowHide(hideMenu,showMenu) {
clearTimeout(timerID);
	if (navigator.appName.indexOf("Microsoft") >= 0) {
		document.all( hideMenu ).style.visibility="hidden";
		document.all( showMenu ).style.visibility="visible";
	} else {
		if(navigator.appVersion.charAt(0) >= 5){
			document.getElementById( hideMenu ).style.visibility="hidden";
			document.getElementById( showMenu ).style.visibility="visible";
		}else {
			document.layers[ hideMenu ].visibility="hidden";
			document.layers[ showMenu ].visibility="visible";
		}
	}
}
function outHide(hideMenu,showMenu) {
	if (navigator.appName.indexOf("Microsoft") >= 0) {
		hideObj=document.all( hideMenu ).style;
		showObj=document.all( showMenu ).style;
	} else {
		if(navigator.appVersion.charAt(0) >= 5){
			hideObj=document.getElementById( hideMenu ).style;
			showObj=document.getElementById( showMenu ).style;
		}else {
			hideObj=document.layers[ hideMenu ];
			showObj=document.layers[ showMenu ];
		}
	}
timerID = setTimeout('hideObj.visibility="hidden";showObj.visibility="visible"',2000);
}