/**
 * 标牌-大车系-车型联动下拉菜单
 * @ baiying
 * 2010-01-15
 */

/**
 * 初始化logo下拉框
 */
function initSelectLogo(logo_id, series_id, logo_value, series_value){
	var optionItem;
	var iLength = JSON_logo.masterLogo.length;
	var iData = JSON_logo.masterLogo; 
	//清除下拉框中的内容
	$("#"+logo_id).empty();
	//填充logo下拉框数据
	optionItem = new Option("请选择品牌","-1");
	$("#"+logo_id)[0].options.add(optionItem);

	for(var i=0; i<iLength; i++){
		optionItem = new Option(iData[i].name, iData[i].id);
		$("#"+logo_id)[0].options.add(optionItem);
	}
	//初始化车系下拉框
	initSelectSeries(series_id, logo_value, series_value);
	
	//移动到选定logo
	$("#"+logo_id).attr("value",logo_value);
}
//logo下拉框点击事件
function selectLogoOnChange(logo_id, series_id){
	var logo_value = $("#"+logo_id).val();
	initSelectLogo(logo_id, series_id, logo_value, "-1", "-1");
}
/**
 * 初始化车系下拉框
 */
function initSelectSeries(series_id, logo_value, series_value){
	var optionItem;
	var isExist = 0;
	//清除下拉框中内容
	$("#"+series_id).empty();
	
	//填充下拉框数据
	optionItem = new Option("请选择车系",-1);
	$("#"+series_id)[0].options.add(optionItem);
	
	if(logo_value == "-1") return;
	
	//获取本logo下的品牌车系数据
	$.getJSON("http://product.cheshi.com/service/ajax_data_brand_series.php?id="+logo_value+"&lsttype=logo&cheshicallback=?", function(series_date){
		for(var kid in series_date['series']){
			if(series_date['series'][kid]['isshow'] == "yes"){
				var tmp_id = series_date['series'][kid]['id'];
				var arr_tmp = tmp_id.split("_");
				if(arr_tmp[0] == series_value) isExist = 1;
				if(arr_tmp[1] == "b"){
					optionItem = new Option("=="+series_date['series'][kid]['name']+"==", series_date['series'][kid]['id']);
				}else if(arr_tmp[1] == "c"){
					optionItem = new Option(series_date['series'][kid]['name'], arr_tmp[0]);
				}
				$("#"+series_id)[0].options.add(optionItem);
			}
		}
		$("#"+series_id).attr("value",series_value);
	});
	
}