var d = document;
function getElement(id){
	return d.getElementById(id);
}

var contentsList = new Array("category", "blog", "web", "news", "dic","transit", "map", "translate");
var actionList = new Object();
actionList["web"] = "module/parts/search.php";
actionList["category"] = "http://mytown.japanet.jp/tel/saitama/search.php";
actionList["blog"] = "http://sf.livedoor.com/search";
actionList["news"] = "http://mytown.japanet.jp/news/search.php";
actionList["dic"] = "module/parts/search.php";
actionList["translate"] = "module/parts/search.php";
actionList["transit"] = "module/parts/search.php";
actionList["map"] = "module/parts/search.php";
function changeTab(id) {
	var search_query = "";
	// 現在設定されてる文字列を取得
	for(i = 0; i < contentsList.length; i++) {
		var contentId = contentsList[i];
		var text = getElement(contentId + "_q");
		if(text.value) {
		    search_query = text.value;
		    break;
		}
	}
	d.sf.action = actionList[id];
	var box = getElement(id + "tab");
	var form = getElement("form");
	form.innerHTML = box.innerHTML;
	var text = getElement(id + "_q");
	text.value = search_query;
}