// JavaScript Document
var nowMenu=0;
function ch_menu(id,over){
	if (window.XMLHttpRequest) {
		var menuImg = document.getElementById("menu_img_"+id);
	}else{
		var menuImg = document.getElementById("menu_img_ie6_"+id);
	}
	if(nowMenu != id){
		
			if(over==1){
				menuImg.src="/images_en/menu_" + id + "_now.gif";
			}else{
				menuImg.src="/images_en/menu_" + id + ".gif";
			}
		
	}
}
function ch_menu_now(){
	var menuNow = document.getElementById("menu_li_"+nowMenu);
	if (window.XMLHttpRequest) {
		var menuImg = document.getElementById("menu_img_"+nowMenu);
	}else{
		var menuImg = document.getElementById("menu_img_ie6_"+nowMenu);
	}
	menuNow.className = "now";
	menuImg.src="/images_en/menu_" + nowMenu + "_now.gif";
}