function setMenuItem(n){
	len = document.m_search.elements["cat[1]"].options.length;
	for(i=len-1; i>=0; i--){
		document.m_search.elements["cat[1]"].options[i] = null;
	}
	if(n == 0){
		document.m_search.elements["cat[1]"].options[0] = new Option("エリアを選択してください","");
		document.m_search.elements["cat[1]"].options[1] = new Option("北九州エリア","46");
		document.m_search.elements["cat[1]"].options[2] = new Option("福岡エリア","47");
		document.m_search.elements["cat[1]"].options[3] = new Option("筑豊エリア","48");
		document.m_search.elements["cat[1]"].options[4] = new Option("筑後エリア","49");
	}if(n == 1){
		document.m_search.elements["cat[1]"].options[0] = new Option("エリアを選択してください","");
		document.m_search.elements["cat[1]"].options[1] = new Option("伊万里・嬉野・鹿島エリア","53");
		document.m_search.elements["cat[1]"].options[2] = new Option("佐賀・小城エリア","51");
		document.m_search.elements["cat[1]"].options[3] = new Option("唐津・呼子エリア","52");
		document.m_search.elements["cat[1]"].options[4] = new Option("鳥栖・神崎エリア","50");
	}if(n == 2){
		document.m_search.elements["cat[1]"].options[0] = new Option("エリアを選択してください","");
		document.m_search.elements["cat[1]"].options[1] = new Option("中津・宇佐・国東エリア","62");
		document.m_search.elements["cat[1]"].options[2] = new Option("大分・別府エリア","61");
		document.m_search.elements["cat[1]"].options[3] = new Option("宇城・山都・美里エリア","70");
		document.m_search.elements["cat[1]"].options[4] = new Option("日田・九重エリア","60");
		document.m_search.elements["cat[1]"].options[5] = new Option("湯布院・久住・武田エリア","63");
		document.m_search.elements["cat[1]"].options[6] = new Option("臼杵・佐伯エリア","64");
	}if(n == 3){
		document.m_search.elements["cat[1]"].options[0] = new Option("エリアを選択してください","");
		document.m_search.elements["cat[1]"].options[1] = new Option("えびの・小林・都城エリア","74");
		document.m_search.elements["cat[1]"].options[2] = new Option("宮崎市街・西都エリア","71");
		document.m_search.elements["cat[1]"].options[3] = new Option("延岡・日向・高千穂エリア","73");
		document.m_search.elements["cat[1]"].options[4] = new Option("日南・串間・南郷エリア","72");
	}if(n == 4){
		document.m_search.elements["cat[1]"].options[0] = new Option("エリアを選択してください","");
		document.m_search.elements["cat[1]"].options[1] = new Option("天草エリア","68");
		document.m_search.elements["cat[1]"].options[2] = new Option("熊本市街・宇城・益城エリア","65");
		document.m_search.elements["cat[1]"].options[3] = new Option("荒尾・玉名・山鹿・菊池エリア","69");
		document.m_search.elements["cat[1]"].options[4] = new Option("阿蘇・小国エリア","66");
	}if(n == 5){
		document.m_search.elements["cat[1]"].options[0] = new Option("エリアを選択してください","");
		document.m_search.elements["cat[1]"].options[1] = new Option("佐世保・西彼エリア","57");
		document.m_search.elements["cat[1]"].options[2] = new Option("壱岐・対馬・五島エリア","59");
		document.m_search.elements["cat[1]"].options[3] = new Option("平戸・松浦エリア","58");
		document.m_search.elements["cat[1]"].options[4] = new Option("諫早・大村エリア","56");
		document.m_search.elements["cat[1]"].options[5] = new Option("長崎エリア","54");
		document.m_search.elements["cat[1]"].options[6] = new Option("雲仙・島原エリア","55");
	}if(n == 6){
		document.m_search.elements["cat[1]"].options[0] = new Option("エリアを選択してください","");
		document.m_search.elements["cat[1]"].options[1] = new Option("出水・薩摩川内エリア","77");
		document.m_search.elements["cat[1]"].options[2] = new Option("大隈半島エリア","79");
		document.m_search.elements["cat[1]"].options[3] = new Option("奄美大島・与論島エリア","81");
		document.m_search.elements["cat[1]"].options[4] = new Option("屋久島・種子島エリア","80");
		document.m_search.elements["cat[1]"].options[5] = new Option("指宿・枕崎・知覧エリア","78");
		document.m_search.elements["cat[1]"].options[6] = new Option("霧島・姶良エリア","76");
		document.m_search.elements["cat[1]"].options[7] = new Option("鹿児島市街・桜島エリア","75");
	}
}