var img_open = "images/product/image/folder_open.gif";
var img_close = "images/product/image/folder_close.gif";
function board_a_click(openid)
{
	var usr = openid + '_s';
	var usr_img = openid + '_img';	
	var old_usr = document.getElementById("menu_1").value;
	
	if (document.getElementById(usr).style.display == "block" && old_usr == usr) {
		document.getElementById(usr).style.display = "none";
		document.getElementById(usr_img).src = img_close;
	}
	else {
		document.getElementById(usr).style.display = "block";
		document.getElementById(usr_img).src = img_open;
		if (old_usr != "") {
			document.getElementById(old_usr).style.display = "none";
			document.getElementById(old_usr).src = img_close;
			if (document.getElementById(usr).style.display == "none" && old_usr == usr) {
				document.getElementById(usr).style.display = "block";
				document.getElementById(usr_img).src = img_open;
			}
		}
	}
	document.getElementById("menu_1").value = usr;
}

function board_b_click(openid)
{
	var usr = openid + '_1';
	var usr_img = openid + '_img';	
	var old_usr = document.getElementById("menu_2").value;
	

	
	if (document.getElementById(usr).style.display == "block" && old_usr == usr) {
		document.getElementById(usr).style.display = "none";
		document.getElementById(usr_img).src = img_close;
	}
	else {
		document.getElementById(usr).style.display = "block";
		document.getElementById(usr_img).src = img_open;
		if (old_usr != "") {
			document.getElementById(old_usr).style.display = "none";
			document.getElementById(old_usr).src = img_close;
			if (document.getElementById(usr).style.display == "none" && old_usr == usr) {
				document.getElementById(usr).style.display = "block";
				document.getElementById(usr_img).src = img_open;
			}
		}
	}
	document.getElementById("menu_2").value = usr;
}