function menu(contents){
	<!-- home-->
	if(contents==1){
		document.write("<li><img src=\"../simg/menu_home_over.gif\" alt=\"ホーム\" name=\"home\" width=\"68\" height=\"44\" border=\"0\"></li>");
	}else{
		document.write("<li><a href=\"../index.html\" onMouseOver=\"document.home.src='../simg/menu_home_over.gif'\" onMouseOut=\"document.home.src='../simg/menu_home_off.gif'\"><img src=\"../simg/menu_home_off.gif\" alt=\"ホーム\" name=\"home\" width=\"68\" height=\"44\" border=\"0\"></a></li>");
	}
	
	<!-- profile-->
	if(contents==2){
		document.write("<li><img src=\"../simg/menu_profile_on.gif\" alt=\"事業部紹介\" name=\"profile\" width=\"99\" height=\"44\" border=\"0\"></li>");
	}else{
		document.write("<li><a href=\"../profile/index.html\" onMouseOver=\"document.profile.src='../simg/menu_profile_over.gif'\" onMouseOut=\"document.profile.src='../simg/menu_profile_off.gif'\"><img src=\"../simg/menu_profile_off.gif\" alt=\"事業部紹介\" name=\"profile\" width=\"99\" height=\"44\" border=\"0\"></a></li>");
	}
	
	<!-- work_c-->
	if(contents==3){
		document.write("<li><img src=\"../simg/menu_work_c_on.gif\" alt=\"地盤の調査\" name=\"work_c\" width=\"99\" height=\"44\" border=\"0\"></li>");
	}else{
		document.write("<li><a href=\"../work_c/index.html\" onMouseOver=\"document.work_c.src='../simg/menu_work_c_over.gif'\" onMouseOut=\"document.work_c.src='../simg/menu_work_c_off.gif'\"><img src=\"../simg/menu_work_c_off.gif\" alt=\"地盤の調査\" name=\"work_c\" width=\"99\" height=\"44\" border=\"0\"></a></li>");
	}
	
	<!-- work_h-->
	if(contents==4){
		document.write("<li><img src=\"../simg/menu_work_h_on.gif\" alt=\"地盤の補強\" name=\"work_h\" width=\"99\" height=\"44\" border=\"0\"></li>");
	}else{
		document.write("<li><a href=\"../work_h/index.html\" onMouseOver=\"document.work_h.src='../simg/menu_work_h_over.gif'\" onMouseOut=\"document.work_h.src='../simg/menu_work_h_off.gif'\"><img src=\"../simg/menu_work_h_off.gif\" alt=\"地盤の補強\" name=\"work_h\" width=\"99\" height=\"44\" border=\"0\"></a></li>");
	}
	
	<!-- work_s-->
	if(contents==5){
		document.write("<li><img src=\"../simg/menu_work_s_on.gif\" alt=\"地盤の修正\" name=\"work_s\" width=\"99\" height=\"44\" border=\"0\"></li>");
	}else{
		document.write("<li><a href=\"../work_s/index.html\" onMouseOver=\"document.work_s.src='../simg/menu_work_s_over.gif'\" onMouseOut=\"document.work_s.src='../simg/menu_work_s_off.gif'\"><img src=\"../simg/menu_work_s_off.gif\" alt=\"地盤の修正\" name=\"work_s\" width=\"99\" height=\"44\" border=\"0\"></a></li>");
	}
	
	<!-- data-->
	if(contents==6){
		document.write("<li><img src=\"../simg/menu_data_on.gif\" alt=\"技術開発資料\" name=\"data\" width=\"99\" height=\"44\" border=\"0\"></li>");
	}else{
		document.write("<li><a href=\"../study/index.html\" onMouseOver=\"document.data.src='../simg/menu_data_over.gif'\" onMouseOut=\"document.data.src='../simg/menu_data_off.gif'\"><img src=\"../simg/menu_data_off.gif\" alt=\"技術開発資料\" name=\"data\" width=\"99\" height=\"44\" border=\"0\"></a></li>");
	}
	
	<!-- faq-->
	if(contents==7){
		document.write("<li><img src=\"../simg/menu_faq_on.gif\" alt=\"よくある質問\" name=\"faq\" width=\"99\" height=\"44\" border=\"0\"></li>");
	}else{
		document.write("<li><a href=\"../faq/index.html\" onMouseOver=\"document.faq.src='../simg/menu_faq_over.gif'\" onMouseOut=\"document.faq.src='../simg/menu_faq_off.gif'\"><img src=\"../simg/menu_faq_off.gif\" alt=\"よくある質問\" name=\"faq\" width=\"99\" height=\"44\" border=\"0\"></a></li>");
	}
	
	<!-- dic-->
	if(contents==8){
		document.write("<li><img src=\"../simg/menu_dic_on.gif\" alt=\"地盤大辞典\" name=\"menu_dic\" width=\"98\" height=\"44\" border=\"0\"></li>");
	}else{
		document.write("<li><a href=\"http://www.knn.co.jp/gt/dic/index.html\" target=\"_blank\" onMouseOver=\"document.menu_dic.src='../simg/menu_dic_over.gif'\" onMouseOut=\"document.menu_dic.src='../simg/menu_dic_off.gif'\"><img src=\"../simg/menu_dic_off.gif\" alt=\"地盤大辞典\" name=\"menu_dic\" width=\"98\" height=\"44\" border=\"0\"></a></li>");
	}


}