//ajax提交表单处理
$(document).ready(function(){
	var options ={
		beforeSubmit:  showRequest,  
        success:       showResponse,
        resetForm:      true
	};
	$('#gps_form').ajaxForm(options);
})

//提交前的处理函数
//formData jqForm options
function showRequest(){
  //判断cookie是否存在
//  var user_id = getCookie("xgo_zcms_uid");
//  if (!user_id){
//  	  alert("请先登录!!");
////    location.href="http://bbs.xgo.com.cn/logging.php?action=login&referer=http://gps.xgo.com.cn/new/";
//  	  return false;
//  }
  //获取不通表单元素的值
  var depart_city=$('#gps_form input[name="depart_city"]').fieldValue();
  var order_city=$('#gps_form input[name="order_city"]').fieldValue();
  var leave_date=$('#gps_form input[name="leave_date"]').fieldValue();
  var return_date=$('#gps_form input[name="return_date"]').fieldValue();
  var use_titme=$('#gps_form input[name="use_titme"]').fieldValue();
  var person_num=$('#gps_form input[name="person_num"]').fieldValue();
  var travel_message=$('#gps_form textarea[name="travel_message"]').fieldValue();
  var road_money=$('#gps_form input[name="road_money"]').fieldValue();
  var live_money=$('#gps_form input[name="live_money"]').fieldValue();
  var food_money=$('#gps_form input[name="food_money"]').fieldValue();
  var ticket_money=$('#gps_form input[name="ticket_money"]').fieldValue();
  var picture_id=$('#gps_form input[name="picture_id"]').fieldValue();
  
 //对不通的内容核查
  depart_city = $.trim(depart_city[0]);
  if (depart_city == ""||depart_city==null){
  	 report_message("请填写出发城市(字数限制5个)!!");
  	 $('#gps_form input[name="depart_city"]').focus();
  	 return false;
  }
  
   //出发城市
   order_city = $.trim(order_city[0]);
   if (order_city == ""||order_city==null){
  	 report_message("请填写目标地点(字数限制5个)!!");
  	 $('#gps_form input[name="order_city"]').focus();
  	 return false;
  }
  
  //出游时间
  leave_date = $.trim(leave_date[0]);
  if (leave_date == ""||leave_date==null || check_date(leave_date)){
  	 report_message("请填写出游时间(格式为:2008-10-22)!!");
  	 $('#gps_form input[name="leave_date"]').focus();
  	 return false;
  }
  
  //返回时间
  return_date = $.trim(return_date[0]);
  if (return_date == ""||return_date==null || check_date(return_date)){
  	 report_message("请填写返回时间(格式为:2008-10-22)!!");
  	 $('#gps_form input[name="return_date"]').focus();
  	 return false;
  }
  
  //出游时间和返回时间比较
  if (leave_date>return_date){
  	 report_message("您填写的返回时间不能大于出游时间，请核查!!");
  	 $('#gps_form input[name="return_date"]').focus();
  	 return false;
  }
  
  //用时
   use_titme = $.trim(use_titme[0]);
   if (use_titme=="" || isNaN(use_titme)){
   	  	 report_message("请填写路上用时(必须是数字)!!");
  	     $('#gps_form input[name="use_titme"]').focus();
  	     return false;
   }
   
   //人数
   person_num = $.trim(person_num[0]);
   if (person_num=="" || isNaN(person_num)){
   	  	 report_message("请填写人数(必须是数字)!!");
  	     $('#gps_form input[name="person_num"]').focus();
  	     return false;
   }
     //路况内容
     travel_message = $.trim(travel_message[0]);
     if (travel_message == "" || travel_message == null || WordWidthCheck(travel_message,40)){
     	 report_message("请填写游记内容(文字不能少于20个字)!!");
  	     $('#gps_form input[name="travel_message"]').focus();
  	     return false;
     }
      //门票
       road_money = $.trim(road_money[0]);
       if (road_money=="" || isNaN(road_money)){
	   	  	 report_message("请填写交通费用(必须是数字)!!");
	  	     $('#gps_form input[name="road_money"]').focus();
	  	     return false;
	   }
	   live_money= $.trim(live_money[0]);
       //住宿
       if (live_money=="" || isNaN(live_money)){
	   	  	 report_message("请填写住宿费用(必须是数字)!!");
	  	     $('#gps_form input[name="live_money"]').focus();
	  	     return false;
		}
		
       //餐饮
       food_money= $.trim(food_money[0]);
       if (food_money=="" || isNaN(food_money)){
	   	  	 report_message("请填写餐饮费用(必须是数字)!!");
	  	     $('#gps_form input[name="food_money"]').focus();
	  	     return false;
		}
	   ticket_money= $.trim(ticket_money[0]);
       //门票
	   if (ticket_money=="" || isNaN(ticket_money)){
	   	  	 report_message("请填写门票费用(必须是数字)!!");
	  	     $('#gps_form input[name="person_num"]').focus();
	  	     return false;
	   }
       //文件框
       picture_id= $.trim(picture_id[0]);
       if (picture_id == "" || picture_id == "null" ||check_file(picture_id)){
       	  	 report_message("请指定上传文件(图片格式:jpg或gif)!!");
	  	     $('#gps_form input[name="picture_id"]').focus();
	  	     return false;
       }
       $('#gps_form input[type="submit"]').attr("disabled","true");
       return true;
}
//响应函数
function showResponse(responseText, statusText){
	$('#gps_form input[type="submit"]').attr("disabled",false);
	var obj = eval('('+responseText+')');
	alert(obj.tips);
//    alert(responseText);
}

function report_message($message){
	alert($message);
}
//
function check_date(str){
	var regxp = /^[1-9]([0-9]{3})-([0-9]{2})-([0-9]{2})$/;
	if (regxp.test(str)){
		return false;
	}else{
		return true;
	}
}

//判断长度是否合格
//引数 s  传入的字符串
//n   限制的长度n以下
// 返回值 false   NG
//true    OK
/////////////////////////////////////////////////////////////////////
function WordWidthCheck(s, n){
	var w = 0;
	for (var i=0; i<s.length; i++) {
		var c = s.charCodeAt(i);
	   //单字节加1
	   if ((c >= 0x0001 && c <= 0x007e) || (0xff60<=c && c<=0xff9f)) {
			w++;
	   } else {
			w+=2;
	   }
	}
	if (w >=n) {
	   return false;
	}
	return true;
}

function check_file(str){
	if(str.lastIndexOf(".")<0){
		return true;
	}else{
		var file_ext=str.substr(str.lastIndexOf(".")+1);
		file_ext = file_ext.toLowerCase();
		if (file_ext == "jpg" || file_ext == "gif" || file_ext == "zip"){
			return false;
		}else{
			return true;
		}
	}
}

//读取cookie
function getCookie(cookieName){
	   var cookieString = document.cookie;
	   var start = cookieString.indexOf(cookieName+"=");
		if (start ==-1) return null;
		start+=cookieName.length+1;
		var end = cookieString.indexOf(';', start);
		if (end == -1) return unescape(cookieString.substring(start));
		else return unescape(cookieString.substring(start, end));
}

//计算值
function count_sum(){
	  var road_money=$('#gps_form input[name="road_money"]').val();
	  var live_money=$('#gps_form input[name="live_money"]').val();
	  var food_money=$('#gps_form input[name="food_money"]').val();
	  var ticket_money=$('#gps_form input[name="ticket_money"]').val();
	  var total_sum = 0;
	  if (parseFloat(road_money))  total_sum = total_sum+parseFloat(road_money);
	  if (parseFloat(live_money))  total_sum = total_sum+parseFloat(live_money);
	  if (parseFloat(food_money))  total_sum = total_sum+parseFloat(food_money);
	  if (parseFloat(ticket_money))  total_sum = total_sum+parseFloat(ticket_money);
//	  var total_sum = parseFloat(road_money)+parseFloat(live_money)+parseFloat(food_money)+parseFloat(ticket_money);
//	  alert(total_sum);
	  $("#total_sum").html(total_sum);
}