//反白目前選取的menu
function focusMenu(menu_id, parent) {
	if (document.getElementById("MainMenu_"+menu_id)) {
		document.getElementById("MainMenu_"+menu_id).bgColor ="#FFFFCC";
		
		//expand menu according to the focus menu
		//展開目前選擇的menu
		expandMenu(parent, "1")
		
	}
}

function expandMenu(menu_id, expand) {
	if (document.getElementById("Submenu_"+menu_id)) {
		var display = document.getElementById("Submenu_"+menu_id).style.display;
		if (expand!="1") {
			if (display=="none") {
				document.getElementById("Submenu_"+menu_id).style.display="block";
			} else {
				document.getElementById("Submenu_"+menu_id).style.display="none";
			}
		} else {
			document.getElementById("Submenu_"+menu_id).style.display="block";
		}
	}
}

//語言別設定
function setLang(appLang) {
	if (appLang=="ch") {
		document.getElementById("appLang1").innerHTML="<a href=javascript:chgAppLang('en') class='link03'>English Version</a>";
	} else {
		document.getElementById("appLang1").innerHTML="<a href=javascript:chgAppLang('ch') class='link03'>中文版</a>";
	}
}

function chgAppLang(lang) {
	frmVersion.appLang.value=lang;
	frmVersion.action=document.URL;
	frmVersion.submit();
}