function menuURL(num){
	switch(num){
		case 11: location.href="/eng/about/11.html";break;
		case 12: location.href="/eng/about/21.html";break;
		case 13: location.href="/eng/about/31.html";break;
		case 14: location.href="/eng/about/41.html";break;

		case 21: location.href="/eng/mission/11.html";break;
		case 22: location.href="/eng/mission/21.html";break;
		case 23: location.href="/eng/mission/31.html";break;
		case 24: location.href="/eng/mission/41.html";break;
		case 25: location.href="/eng/mission/51.html";break;

		case 31: location.href="/eng/project/11.html";break;
		case 32: location.href="/eng/project/21.html";break;
		case 33: location.href="/eng/project/31.html";break;
		case 34: location.href="/eng/project/41.html";break;

		case 41: location.href="/eng/amazon/11.html";break;
		case 42: location.href="/eng/amazon/21.html";break;
		case 43: location.href="/eng/amazon/31.html";break;
		case 44: location.href="/eng/amazon/41.html";break;

		case 51: location.href="/bbs/zboard.php?id=elatest_news";break;
		case 52: location.href="/bbs/zboard.php?id=ecolumn";break;
		case 53: location.href="/bbs/zboard.php?id=egallery";break;
		case 54: location.href="/bbs/zboard.php?id=emovie";break;
		case 55: location.href="/bbs/zboard.php?id=efreeboard";break;

		case 61: location.href="http://gramin.org/eng/etc/11.html";break;
	}
}