//获取对应字符个数
function zf_nmu(str, ss) {
	var mm = 0;
	var zf_and = 0;
	for (var i = 0; i < 5; i++) {
		zf_and = str.length;
		mm = str.indexOf(ss);
		str = str.substring(mm + 1, zf_and);
		if (mm == -1) { return i; }
	}
}
function addCookie(objName, objValue, objHours) { //添加cookie
	var str = objName + "=" + escape(objValue);
	if (objHours > 0) {
		var date = new Date();
		var ms = objHours * 3600;
		date.setTime(date.getTime() + ms);
		str += ";path=/;domain=zsezt.com;expires=" + date.toGMTString();
	} else {
		str += ";path=/;domain=zsezt.com;";
	}
	document.cookie = str;
}
//通用js
$(function(){
	//友情链接切换事件
	$(".footer_top .tab span").click(function () {
		$(".footer_top .item .alist").hide();
		var index = $(this).parents(".tab").find("span").index($(this));
		$(".footer_top .item").find(".alist").eq(index).show();
		//选中下划线
		$(".footer_top .tab span").css("border-bottom", "0px");
		$(".footer_top .tab span").eq(index).css("border-bottom", "1px solid #FFCC33");
	});
	
});