/**
 * SPECコンボボックス用のDataStore
 * @param {Object} value
 */
function getDsForPrice(values, titles) {
	var ary = new Array(values.length);
	ary[0] = new Array('ALL', 'すべて');
	for (var i = 1; i < values.length; ++i) {
		ary[i] = new Array(values[i-1]+ '-' + (values[i]-1), titles[i]);
	}
	var OptionRecord = Ext.data.Record.create([
		{name: 'price', mpping: 1},
		{name: 'title', mpping: 2}
	]);
	var reader = new Ext.data.ArrayReader(
		{ id: 0 },
		OptionRecord
	);
	var proxy = new Ext.data.MemoryProxy(ary);
	var dataStore = new Ext.data.Store({
		reader: reader,
		proxy:  proxy
	});
	dataStore.load();
	return dataStore;
}