// mycaster
// function definition - pulldown menu
// Copyright 2002 Sony Marketing (Japan) Inc.


var loaded = false;
ie = (document.all)? true:false;
ns = (document.layers)? true:false;
ns6 = (document.getElementById)? true:false;//ie5 compatible

function changeLdMode(){
	loaded = true;
	if(tid){ clearTimeout(tid);}
}


// Get obj
function getTargetObj(target)
{
	var targetObj;
	if(ie)
	{
		targetObj = document.all[target].style;
	}
	else if(ns)
	{
		targetObj = document.layers[target];
	}
	else if(ns6)
	{
		targetObj = document.getElementById(target).style;
	}
	return (ie || ns || ns6)? targetObj:false;
}


var tid
var selectedNo =1
var hideSwich = 'false'

function showMenu(No){
	if(loaded){
		hideSwich = 'true'
		hideMenu();
		layerName ='menu' + No;
		selectedNo = No;
		var obj = getTargetObj(layerName);
		if(ns) obj.visibility='show';
		else if(ie || ns6) obj.visibility='visible';
	}
}

function hideMenu(){
	layerName = 'menu' + selectedNo;
	var obj = getTargetObj(layerName);
	if(tid){ clearTimeout(tid);}
	if (hideSwich == 'true'){
		if(ns) obj.visibility = "hide";
		else if(ie || ns6) obj.visibility='hidden';
	}
}

function menuCloseTimer(No){
	if(loaded){
		hideSwich = 'true'
		if(tid){ clearTimeout(tid);}
		tid=setTimeout('hideMenu();',300);
	}
}

function swichOFF(){
	hideSwich = 'false'
}