function menulink(link_go) {  

		var demoPage = "";

		switch ( link_go ) {
			case '1' : <!--À½¼ºÀÎ½Ä-->
			location.href=   "http://yespeech.com/product/product01.asp";
			break;
			
			case '1_1' : <!--CS-->
			location.href=   "http://yespeech.com/product/product01.asp";
			break;
			
			case '1_2' : <!--SD4-->
			location.href=   "http://yespeech.com/product/product02.asp ";
			break;
			
			case '1_3' : <!--DA-->
			location.href=   "http://yespeech.com/product/product03.asp ";
			break;
			
			case '1_4' : <!--GRAMMAR PACKAGES-->
			location.href=   "http://yespeech.com/product/product04.asp ";
			break;
			
			case '1_5' : <!--SCA-->
			location.href=   "http://yespeech.com/product/product05.asp ";
			break;

			case '1_6' : <!--TTS-->
			location.href=   "http://yespeech.com/product/product06.asp ";
			break;
			
			
			
			case '2' : <!--È­ÀÚÀÎÁõ-->
			location.href=   "http://yespeech.com/product2/product01.asp";
			break;
			
			case '2_1' : <!--NSV-->
			location.href=   " http://yespeech.com/product2/product01.asp";
			break;
			
			case '2_2' : <!--ESV-->
			location.href=   "http://yespeech.com/product2/product02.asp ";
			break;
			
			
			
			case '3' : <!--TD4-->
			location.href=   "http://yespeech.com/product3/product01.asp";
			break;
			
			case '3_1' : <!--TD4-->
			location.href=   "http://yespeech.com/product3/product01.asp ";
			break;
			
			
			
			
			case '4' : <!--Company-->
			location.href=   "http://yespeech.com/company/company01.asp ";
			break;
			
			case '4_1' : <!--ÀÎ»ç¸»-->
			location.href=   "http://yespeech.com/company/company01.asp ";
			break;
			
			case '4_2' : <!--°æ¿µ ÀÌ³ä-->
			location.href=   "http://yespeech.com/company/company02.asp ";
			break;
			
			case '4_3' : <!--È«º¸½Ç(CIP)-->
			location.href=   "http://yespeech.com/company/company03.asp ";
			break;

			case '4_4' : <!--CONTACT US-->
			location.href=   " http://yespeech.com/company/company04_1.asp";
			break;

			case '4_4_1' : <!--¿À½Ã´Â ±æ-->
			location.href=   "http://yespeech.com/company/company04_1.asp ";
			break;

			case '4_4_2' : <!--MAIL TO-->
			location.href=   "http://yespeech.com/company/company04_2.asp";
			break;

			case '4_4_3' : <!--ENGLISH-->
			location.href=   " http://yespeech.com/company/company04_3.asp";
			break;

			case '4_5' : <!--NEWS-->
			location.href=   "http://yespeech.com/company/company05.asp ";
			break;

			case '4_6' : <!--Recruit-->
			location.href=   "http://yespeech.com/company/company06.asp ";
			break;
			
			
			
			case '5' : <!--TOPEKA SEED-->
			location.href=   "http://topeka.co.kr/seed/seed01.asp";
			break;
			
			case '5_1' : <!--introduction-->
			location.href=   "http://topeka.co.kr/seed/seed01.asp ";
			break;
			
			
			
			
			case '6' : <!--TOPEKA STORY-->
			location.href=   "http://topeka.co.kr/story/story01.asp ";
			break;
			
			case '6_1' : <!--introduction-->
			location.href=   "http://topeka.co.kr/story/story01.asp";
			break;
			
			
			case '7' : <!--DEMO-->
			case '7_1' : <!--Key Expression-->	
				if (demoPage == "")
				{
					demoPage=1;
				}
			case '7_2' : <!--Make Sentence-->
				if (demoPage == "")
				{
					demoPage=2;
				}
			case '7_3' : <!--Paragraph Reading-->
				if (demoPage == "")
				{
					demoPage=3;
				}
			
				//ÇöÀç ÆäÀÌÁö°¡ µ¥¸ð ÆäÀÌÁö ÀÎÁö È®ÀÎÇÑ´Ù
				if (location.href.indexOf('demo/demo') > 0)
				{
					//ÇöÀç µ¥¸ðÆäÀÌÁöÀÓ::µû¶ó¼­ ½ºÅ©¸³Æ®¸¸ È£ÃâÇÑ´Ù
					location.href="javascript:demo" + demoPage + "()";
				}
				else
				{
					//µ¥¸ðÆäÀÌÁö·Î ÀÌµ¿
					location.href="http://topeka.co.kr/demo/demo.asp?demo=" + demoPage;
				}
			break;	
			
			
			case '8' : <!--TOPEKA LOGO-->
			location.href= "http://topeka.co.kr/intro/intro01.asp";
			break;

			case '8_1' : <!--introduction-->
			location.href= "http://topeka.co.kr/intro/intro01.asp";
			break;
			
			case '8_2' : <!--mailto-->
			location.href= "http://topeka.co.kr/intro/mailto.asp";
			break;

		}
		
}