/*************************************************
Validator v1.01
code by 我佛山人
wfsr@cunite.com
http://www.cunite.com
*************************************************/
Validator = {
      Require : /.+/,
      Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
      Phone : /^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{2,8}$/,
      Mobile : /^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/,
      Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
      IdCard : /^\d{15}(\d{2}[A-Za-z0-9])?$/,
      Currency : /^\d+(\.\d+)?$/,
      Number : /^\d+$/,
      Zip : /^[1-9]\d{5}$/,
      QQ : /^[1-9]\d{4,8}$/,
      Integer : /^[-\+]?\d+$/,
      Double : /^[-\+]?\d+(\.\d+)?$/,
      English : /^[A-Za-z]+$/,
      Chinese : /^[\u0391-\uFFE5]+$/,
      UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
      IsSafe : function(str){return !this.UnSafe.test(str);},
      SafeString : "this.IsSafe(value)",
      Limit : "this.limit(value.length,getAttribute('min'), getAttribute('max'))",
      LimitB : "this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))",
      Date : "this.IsDate(value, getAttribute('min'), getAttribute('format'))",
      Repeat : "value == document.getElementsByName(getAttribute('to'))[0].value",
      Range : "getAttribute('min') < value && value < getAttribute('max')",
      Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))",
      Custom : "this.Exec(value, getAttribute('regexp'))",
      Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",
      ErrorItem : [document.forms[0]],
      ErrorMessage : ["以下原因导致提交失败：\t\t\t\t"],
      Validate : function(theForm, mode)
      {
        var obj = theForm || event.srcElement;
        var count = obj.elements.length;
        this.ErrorMessage.length = 1;
        this.ErrorItem.length = 1;
        this.ErrorItem[0] = obj;
        for(var i=0;i<count;i++)
        {
          with(obj.elements[i])
          {
            var _dataType = getAttribute("dataType");
            if(typeof(_dataType) == "object" || typeof(this[_dataType]) == "undefined") continue;
            this.ClearState(obj.elements[i]);
            if(getAttribute("require") == "false" && value == "") continue;
            switch(_dataType)
            {
              case "Date" :
              case "Repeat" :
              case "Range" :
              case "Compare" :
              case "Custom" :
              case "Group" : 
              case "Limit" :
              case "LimitB" :
              case "SafeString" :
                if(!eval(this[_dataType]))
                {
                  this.AddError(i, getAttribute("msg"));
                }
                break;
              default :
                if(!this[_dataType].test(value))
                {
                  this.AddError(i, getAttribute("msg"));
                }
                break;
            }
          }
        }
        if(this.ErrorMessage.length > 1)
        {
          mode = mode || 1;
          var errCount = this.ErrorItem.length;
          switch(mode)
          {
            case 2 :
              for(var i=1;i<errCount;i++)
              this.ErrorItem[i].style.color = "red";
            case 1 :
              alert(this.ErrorMessage.join("\n"));
              this.ErrorItem[1].focus();
              break;
            case 3 :
              for(var i=1;i<errCount;i++)
              {
                try{
                  var span = document.createElement("SPAN");
                  span.id = "__ErrorMessagePanel";
                  span.style.color = "red";
                  this.ErrorItem[i].parentNode.appendChild(span);
                  span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"<br>↑");
                }
                catch(e){alert(e.description);}
              }
              try{
                this.ErrorItem[1].focus();
              }catch(e){}
              break;
            default :
              alert(this.ErrorMessage.join("\n"));
              break;
          }
          return false;
        }
        return true;
      },
      limit : function(len,min, max)
      {
        min = min || 0;
        max = max || Number.MAX_VALUE;
        return min <= len && len <= max;
      },
      LenB : function(str)
      {
        return str.replace(/[^\x00-\xff]/g,"**").length;
      },
      ClearState : function(elem)
      {
        with(elem)
        {
          if(style.color == "red")
          style.color = "";
          var lastNode = parentNode.childNodes[parentNode.childNodes.length-1];
          if(lastNode.id == "__ErrorMessagePanel")
          parentNode.removeChild(lastNode);
        }
      },
      AddError : function(index, str)
      {
        this.ErrorItem[this.ErrorItem.length] = this.ErrorItem[0].elements[index];
        this.ErrorMessage[this.ErrorMessage.length] = this.ErrorMessage.length + ":" + str;
      },
      Exec : function(op, reg)
      {
        return new RegExp(reg,"g").test(op);
      },
      compare : function(op1,operator,op2)
      {
        switch (operator) 
        {
          case "NotEqual":
            return (op1 != op2);
          case "GreaterThan":
            return (op1 > op2);
          case "GreaterThanEqual":
            return (op1 >= op2);
          case "LessThan":
            return (op1 < op2);
          case "LessThanEqual":
            return (op1 <= op2);
          default:
            return (op1 == op2); 
        }
      },
      MustChecked : function(name, min, max)
      {
        var groups = document.getElementsByName(name);
        var hasChecked = 0;
        min = min || 1;
        max = max || groups.length;
        for(var i=groups.length-1;i>=0;i--)
        if(groups[i].checked) hasChecked++;
        return min <= hasChecked && hasChecked <= max;
      },
      IsDate : function(op, formatString)
      {
        formatString = formatString || "ymd";
        var m, year, month, day;
        switch(formatString)
        {
          case "ymd" :
            m = op.match(new RegExp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"));
            if(m == null ) return false;
            day = m[6];
            month = m[5]--;
            year = (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
            break;
          case "dmy" :
            m = op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
            if(m == null ) return false;
            day = m[1];
            month = m[3]--;
            year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
            break;
          default :
            break;
        }
        if(!parseInt(month)) return false;
        month = month==12 ?0:month; 
        var date = new Date(year, month, day);
        return (typeof(date) == "object" && year == date.getFullYear() && month == date.getMonth() && day == date.getDate());
        function GetFullYear(y)
        {
          return ((y<30 ? "20" : "19") + y)|0;
        }
      }
      
}