function menu_url(str) {
	switch(str) {	
		case "menu00" : location.href="http://www.emrokorea.com/"; break;  //Ȩ
		
		<!--Çѱ¹EM¿¬±¸±â±¸-->
		case "menu01_01" : location.href="http://www.emrokorea.com/01_about/intro.htm?mmenu=1&smenu=1"; break; //Çѱ¹EM¿¬±¸±â±¸¼Ò°³
		case "menu01_02" : location.href="http://www.emrokorea.com/01_about/work.htm?mmenu=1&smenu=2"; break; //¾÷¹«¾È³»
		case "menu01_03" : location.href="http://www.emrokorea.com/NSBBS/bbs/?mmenu=1&smenu=3&Code=em_focus"; break; //Æ÷Ä¿½º
		case "menu01_04" : location.href="http://www.emrokorea.com/01_about/partner.htm?mmenu=1&smenu=4"; break; //Çù·Â°ü°èȸ»ç
		case "menu01_05" : location.href="http://www.emrokorea.com/01_about/location.htm?mmenu=1&smenu=5"; break; //¿À½Ã´Â±æ

		
		
		<!--EM¼Ò°³-->
		case "menu02_01" : location.href="http://www.emrokorea.com/02_em/emis.htm?mmenu=2&smenu=1"; break; //EMÀ̶õ
		case "menu02_02" : location.href="http://www.emrokorea.com/02_em/keynote.htm?mmenu=2&smenu=2"; break; //EMÀÇƯ¡
		case "menu02_03" : location.href="http://www.emrokorea.com/02_em/effect.htm?mmenu=2&smenu=3"; break; //EMÀÇÈ¿°ú
		case "menu02_04" : location.href="http://www.emrokorea.com/02_em/condition.htm?mmenu=2&smenu=4"; break; //ÀÌ¿ë½ÇÅ¿͵¿Á¤
		case "menu02_05" : location.href="http://www.emrokorea.com/02_em/ricewater.htm?mmenu=2&smenu=5"; break; //EM½Ò¶ß¹°È°¿ë


		
		<!--¿¬±¸/È°¿ë-->
		//case "menu03_01" : location.href="http://www.emrokorea.com/01_about/cooper.htm?mmenu=3&smenu=1"; break; //»êÇÐÇùµ¿¿¬±¸
		case "menu03_01" : location.href="http://www.emrokorea.com/03_research/cooper.htm?mmenu=3&smenu=1"; break; //»êÇÐÇùµ¿¿¬±¸
		case "menu03_02" : location.href="http://www.emrokorea.com/03_research/researcher.htm?mmenu=3&smenu=2"; break; //¿¬±¸Áø¼Ò°³
		case "menu03_03" : location.href="http://www.emrokorea.com/03_research/lecture.htm?mmenu=3&smenu=3"; break; //È÷°¡±³¼ö°­ÀǽÇ
		case "menu03_04" : location.href="http://www.emrokorea.com/03_research/make.htm?mmenu=3&smenu=4"; break; //Á¦Á¶¹×ÀÌ¿ë
		//case "menu03_05" : location.href="http://www.emrokorea.com/03_research/order.htm?mmenu=3&smenu=5"; break; //ÁÖ¹®Çϱâ

		
		<!--Á¤º¸¸¶´ç-->
		case "menu04_01" : location.href="http://www.emrokorea.com/NSBBS/bbs/?mmenu=4&smenu=1&Code=em_pds"; break; //¿¬±¸ÀÚ·á½Ç
		case "menu04_02" : location.href="http://www.emrokorea.com/NSBBS/bbs/?mmenu=4&smenu=2&Code=em_study"; break; //EMÈ°¿ë
		case "menu04_03" : location.href="http://www.emrokorea.com/NSBBS/bbs/?mmenu=4&smenu=3&Code=em_gallery"; break; //°¶·¯¸®
		case "menu04_04" : location.href="http://www.emrokorea.com/NSBBS/bbs/?mmenu=4&smenu=4&Code=em_book"; break; //°ü·Ã¼­Àû
		case "menu04_05" : location.href="http://www.emrokorea.com/NSBBS/bbs/?mmenu=4&smenu=5&Code=test"; break; //Q&A
		case "menu04_06" : location.href="http://www.emrokorea.com/NSBBS/bbs/?mmenu=4&smenu=6&Code=em_notice"; break; //°øÁö»çÇ×

		
		<!--Membership-->
		case "menu00_01" : location.href="http://www.emrokorea.com/NSBBS/member/?smenu=1"; break; //ȸ¿ø°¡ÀÔ
		case "menu00_02" : location.href="http://www.emrokorea.com/NSBBS/member/?smenu=2"; break; //ȸ¿øÁ¤º¸¼öÁ¤
		case "menu00_03" : location.href="javascript:WinPop('http://www.emrokorea.com/NSBBS/member/search_id.php?smenu=3', 'IDSearch', 400, 180, 1)"; break; //¾ÆÀ̵ðã±â
		case "menu00_04" : location.href="javascript:WinPop('http://www.emrokorea.com/NSBBS/member/search_pw.php?smenu=4', 'IDSearch', 400, 180, 1)"; break; //ºñ¹Ð¹øȣã±â
		case "menu00_05" : location.href="javascript:WinPop('http://www.emrokorea.com/NSBBS/member/privacy.htm?smenu=5', 'privacy', 600, 500, 3)"; break; //°³ÀÎÁ¤º¸º¸È£Á¤Ã¥
		case "menu00_06" : location.href="javascript:WinPop('http://www.emrokorea.com/NSBBS/member/email.htm?smenu=6', 'emailrj', 600,300, 1)"; break; //À̸ÞÀϹ«´Ü¼öÁý°ÅºÎ
		case "menu00_07" : location.href="http://www.emrokorea.com/???/sitemap.htm?smenu=6"; break; //»çÀÌÆ®¸Ê

	}
}
<!--±³¼öÁø ¾à·Âº¸±â-->
function viewLowList(obj,no)
{
	no = "";
	var s = window[obj].style;

	if(s.display == 'block')	s.display = 'none';
	else						s.display = 'block';
}
<!--±³¼öÁø ¾à·Âº¸±â-->