/* ===============  LOAD DATA  =============== */

function get_pulldown_room (form) {
	var str = form.age.options[form.age.selectedIndex].value;
	var s = document.createElement("script");
	s.src = "/get_pulldown_room.cgi?age=" + str;
	document.getElementById("get_pull_down_form").appendChild(s);
}

function enter_room (form) {
	if (form.age.options[form.age.selectedIndex].value == ""){
		alert("年代を選択してください。");
		exit;
	}
        
	var url = form.theme.options[form.theme.selectedIndex].value;
	location.href = url;
}

function callback (jsData) {
	// jsonデータを展開
	var data = eval(jsData);

	document.getElementById("theme").length = 0;

	for (var i=0; i<data.item.length; i++){
		document.getElementById("theme").length++;
		document.getElementById("theme").options[i].text = data.item[i].itemText;
		document.getElementById("theme").options[i].value = data.item[i].itemUrl;
	}

}