function popmap() {
	window.open("/about/map.htm","map","width=500,height=750");
} 
function goabout() {
	location.href = "/about/index.php";
}
function gosales(mem_id) {
	if (mem_id == "") {
		alert('·Î±×ÀÎÀÌ ÇÊ¿äÇÑ ¼­ºñ½ºÀÔ´Ï´Ù');
	} else {
		location.href = "/board/custom_list.php";
	}
}