// 搜索框效果
var searchmodel = function (btnid, formid, val) {
	var show = false;
	var postdate = function () {
		if ($(val).val() == '') {
			return false;
		} else {
			$(formid).submit();
		}
	};
	var search = function () {
		$(btnid).click(function () {
			$(val).addclass('show');
			if (show) {
				postdate();
			}
			if (!show) {
				show = true;
			}
		})
	};
	return {
		search: search
	}
};
var searchdemo = new searchmodel('#search', '#search_form', '#search_box');
searchdemo.search();

//头部导航栏效果
$('.head-nav-ul li').mouseover(function () {
	$(this).addclass('moveactive').siblings().removeclass('moveactive');
	$('.nav-child-nav').hide();
	$(this).find('.nav-child-nav').show();
}).mouseout(function () {
	$(this).find('.nav-child-nav').hide();
})
$('.head-nav-ul').mouseleave(function () {
	$('.head-nav-ul li').removeclass('moveactive');
})
/**
 * 解析url参数
 * @example ?id=12345&a=b
 * @return object {id:12345,a:b}
 */
function urlparse() {
	var url = window.location.search;
	var obj = {};
	var reg = /[?&][^?&]+=[^?&]+/g;
	var arr = url.match(reg);
	// ['?id=12345', '&a=b']
	if (arr) {
		arr.foreach(function (item) {
			var temparr = item.substring(1).split('=');
			var key = decodeuricomponent(temparr[0]);
			var val = decodeuricomponent(temparr[1]);
			obj[key] = val;
		});
	}
	return obj;
};

// 顶部导航固定
var divtop = $('.head-nav').offset();
$(window).scroll(function () {
	console.log('divtop.top:' + divtop.top);
	var doctop = $(document).scrolltop();
	console.log('doctop:' + doctop);
	if (divtop.top <= doctop) {
		$('.head-nav').addclass('active')
	} else {
		$('.head-nav').removeclass('active');
	}
})