var disp = false;
function disp_menu(){
	var obj_1 = document.getElementById("submenu1");
	var obj_2 = document.getElementById("submenu2");
	var obj_3 = document.getElementById("submenu3");
	var obj_4 = document.getElementById("submenu4");
	var obj_btn = document.getElementById("menubtn");
	if (disp){
		//off
		obj_1.style.display = "none";
		obj_2.style.display = "none";
		obj_3.style.display = "none";
		obj_4.style.display = "none";
		obj_btn.src = "imgs/common/menu/btn_menuopen.gif";
		obj_btn.alt = "メニューを全て表示";
		disp = !disp;
		document.location.href = "#top";
	}else{
		//on
		obj_1.style.display = "block";
		obj_2.style.display = "block";
		obj_3.style.display = "block";
		obj_4.style.display = "block";
		obj_btn.src = "imgs/common/menu/btn_menuclose.gif";
		obj_btn.alt = "メニューを全て閉じる";
		disp = !disp;
	}
	
	
}

function popinit(){
	window.focus();
}
function pop(fn, wn, param){
	window.open(fn, wn, param);
}