//Validator.js 
Validator = {Require:/^\S/, Email:/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/, Phone:/^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/, Mobile:/^((\(\d{3}\))|(\d{3}\-))?1\d{10}$/, 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]+$/, Chinese:/^[\u0391-\uFFE5]+$/, Username:/^[a-z]\w{3,}$/i, 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|0) && (value|0) <= 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:["\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;
            }
            else
            {
            	value = (value.Ltrim()).Rtrim();
            	if(value =="")//在需要判断的地方如果出现全部的空格，将被拦截下来。
	        	{
	        		this.AddError(i, getAttribute("msg"));
	        		break;
	        	}
            }
            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+:/, "*");
                }
                catch (e) {
                    alert(e.description);
                }
            }
            //this.ErrorItem[1].focus();
            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;//一个中文当作2个长度
}, 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{4}))([-./])(\\d{2})\\4(\\d{2})$"));
        if (m == null) {
            return false;
        }
        day = m[6];
        month = m[5] * 1;
        year = (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
        break;
      case "dmy":
       m = op.match(new RegExp("^(\\d{2})([-./])(\\d{2})\\2((\\d{4})|(\\d{4}))$"));
       if (m == null) {
            return false;
        }
        day = m[1];
        month = m[3] * 1;
        year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
        break;
      default:
        break;
    }
    if (!parseInt(month)) {
        return false;
    }
    month = month == 0 ? 12 : month;
    var date = new Date(year, month - 1, day);
    return (typeof (date) == "object" && year == date.getFullYear() && month == (date.getMonth() + 1) && day == date.getDate());
    function GetFullYear(y) {
        return ((y < 30 ? "20" : "19") + y) | 0;
    }
}};
/*
 * 截取空格
 * 
 */
// 增加一个名为 trim 的函数作为
// String 构造函数的原型对象的一个方法。
String.prototype.trim = function()
{
    // 用正则表达式将前后空格
    // 用空字符串替代。
    return this.replace(/(^\s*)|(\s*$)/g, "");
}
/*
 * 截取左空格
 * 
 */
String.prototype.Ltrim = function()
{
	return this.replace(/(^\s*)/g, "");
}
/*
 * 截取右空格
 * 
 */
String.prototype.Rtrim = function()
{
	return this.replace(/(\s*$)/g, "");
}