/*
* Copyright (c) 2006-2008 coderhome.net
* All rights reserved.
* Support : Ö¾·²(dzjzmj@163.com)
*
* Version :  1.0
*/

var FormValid = function(frm) {
    this.frm = frm;
    this.errMsg = new Array();
    this.errName = new Array();

    this.required = function(inputObj) {
        if (typeof (inputObj) == "undefined" || inputObj.value.trim() == "") {
            return false;
        }
        return true;
    }

    this.eqaul = function(inputObj, formElements) {
        var fstObj = inputObj;
        var sndObj = formElements[inputObj.getAttribute('eqaulName')];

        if (fstObj != null && sndObj != null) {
            if (fstObj.value != sndObj.value) {
                return false;
            }
        }
        return true;
    }

    this.gt = function(inputObj, formElements) {
        var fstObj = inputObj;
        var sndObj = formElements[inputObj.getAttribute('eqaulName')];

        if (fstObj != null && sndObj != null && fstObj.value.trim() != '' && sndObj.value.trim() != '') {
            if (parseFloat(fstObj.value) <= parseFloat(sndObj.value)) {
                return false;
            }
        }
        return true;
    }

    this.compare = function(inputObj, formElements) {
        var fstObj = inputObj;
        var sndObj = formElements[inputObj.getAttribute('objectName')];
        if (fstObj != null && sndObj != null && fstObj.value.trim() != '' && sndObj.value.trim() != '') {
            if (!(eval(parseFloat(fstObj.value) + inputObj.getAttribute('operate') + parseFloat(sndObj.value)))) {
                return false;
            }
        }
        return true;
    }

    this.limit = function(inputObj) {
        var len = inputObj.value.length;
        if (len) {
            var minv = parseInt(inputObj.getAttribute('min'));
            var maxv = parseInt(inputObj.getAttribute('max'));
            minv = minv || 0;
            maxv = maxv || Number.MAX_VALUE;
            return minv <= len && len <= maxv;
        }
        return true;
    }

    this.range = function(inputObj) {
        var val = parseInt(inputObj.value);
        if (inputObj.value) {
            var minv = parseInt(inputObj.getAttribute('min'));
            var maxv = parseInt(inputObj.getAttribute('max'));
            minv = minv || 0;
            maxv = maxv || Number.MAX_VALUE;

            return minv <= val && val <= maxv;
        }
        return true;
    }

    this.requireChecked = function(inputObj, formElements) {
        var minv = parseInt(inputObj.getAttribute('min'));
        var maxv = parseInt(inputObj.getAttribute('max'));
        var arrayName = null;
        var pos = inputObj.name.indexOf('[');
        if (pos != -1)
            arrayName = inputObj.name.substr(0, pos);
        minv = minv || 1;
        maxv = maxv || Number.MAX_VALUE;

        var checked = 0;
        if (!arrayName) {
            var groups = document.getElementsByName(inputObj.name);
            for (var i = 0; i < groups.length; i++) {
                if (groups[i].checked) checked++;
            }

        } else {
            for (var i = 0; i < formElements.length; i++) {
                var e = formElements[i];
                if (e.checked == true && e.type == 'checkbox'
					&& e.name.substring(0, arrayName.length) == arrayName) {
                    checked++;
                }

            }
        }
        return minv <= checked && checked <= maxv;
    }

    this.filter = function(inputObj) {
        var value = inputObj.value;
        var allow = inputObj.getAttribute('allow');
        if (value.trim()) {
            return new RegExp("^.+\.(?=EXT)(EXT)$".replace(/EXT/g, allow.split(/\s*,\s*/).join("|")), "gi").test(value);
        }
        return true;
    }

    this.isNo = function(inputObj) {
        var value = inputObj.value;
        var noValue = inputObj.getAttribute('noValue');
        return value != noValue;
    }
    this.isTelephone = function(inputObj) {
        inputObj.value = inputObj.value.trim();
        if (inputObj.value == '') {
            return true;
        } else {
            if (!RegExps.isMobile.test(inputObj.value) && !RegExps.isPhone.test(inputObj.value)) {
                return false;
            }
        }
        return true;
    }
    this.checkReg = function(inputObj, reg, msg) {
        inputObj.value = inputObj.value.trim();

        if (inputObj.value == '') {
            return true;
        } else {
            return reg.test(inputObj.value);
        }
    }

    this.passed = function() {
        if (this.errMsg.length > 0) {
            FormValid.showError(this.errMsg, this.errName, this.frm.name);
            if (this.errName[0].indexOf('[') == -1) {
                frt = document.getElementsByName(this.errName[0])[0];
                if (frt.type == 'text' || frt.type == 'password') {
                    frt.focus();
                }
            }
            return false;
        } else {
            return FormValid.succeed();
        }
    }

    this.addErrorMsg = function(name, str) {
        this.errMsg.push(str);
        this.errName.push(name);
    }

    this.addAllName = function(name) {
        FormValid.allName.push(name);
    }
}
FormValid.allName = new Array();
FormValid.showError = function(errMsg) {
    var msg = "";
    for (i = 0; i < errMsg.length; i++) {
        msg += "- " + errMsg[i] + "\n";
    }
    alert(msg);
}
FormValid.succeed = function() {
    return true;
}
function validator(frm) {
    var formElements = frm.elements;
    var fv = new FormValid(frm);
    FormValid.allName = new Array();
    for (var i = 0; i < formElements.length; i++) {
        if (formElements[i].disabled == true) continue;
        var msgs = fvCheck(formElements[i], fv, formElements);
        if (msgs.length > 0) {
            for (n in msgs) {
                fv.addErrorMsg(formElements[i].name, msgs[n]);
            }
        }
    }
    return fv.passed();
}
function fvCheck(e, fv, formElements) {
    var validType = e.getAttribute('valid');
    var errorMsg = e.getAttribute('errmsg');
    if (!errorMsg) {
        errorMsg = '';
    }
    if (validType == null) return [];
    fv.addAllName(e.name);
    var vts = validType.split('|');
    var ems = errorMsg.split('|');
    var r = [];
    for (var j = 0; j < vts.length; j++) {
        var curValidType = vts[j];
        var curErrorMsg = ems[j];
        var validResult;
        switch (curValidType) {
            case 'isNumber':
            case 'isEmail':
            case 'isPhone':
            case 'isMobile':
            case 'isIdCard':
            case 'isMoney':
            case 'isZip':
            case 'isQQ':
            case 'isInt':
            case 'isEnglish':
            case 'isChinese':
            case 'isUrl':
            case 'isDate':
            case 'isTime':
                validResult = fv.checkReg(e, RegExps[curValidType], curErrorMsg);
                break;
            case 'regexp':
                validResult = fv.checkReg(e, new RegExp(e.getAttribute('regexp'), "g"), curErrorMsg);
                break;
            case 'custom':
                validResult = eval(e.getAttribute('custom') + '(e,formElements)');
                break;
            default:
                validResult = eval('fv.' + curValidType + '(e,formElements)');
                break;
        }
        if (!validResult) r.push(curErrorMsg);
    }
    return r;
}
String.prototype.trim = function() {
    return this.replace(/^\s*|\s*$/g, "");
}
var RegExps = function() { };
RegExps.isNumber = /^[-\+]?\d+(\.\d+)?$/;
RegExps.isEmail = /([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)/;
RegExps.isPhone = /^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/;
RegExps.isMobile = /^((\(\d{2,3}\))|(\d{3}\-))?(13|15)\d{9}$/;
RegExps.isIdCard = /(^\d{15}$)|(^\d{17}[0-9Xx]$)/;
RegExps.isMoney = /^\d+(\.\d+)?$/;
RegExps.isZip = /^[1-9]\d{5}$/;
RegExps.isQQ = /^[1-9]\d{4,10}$/;
RegExps.isInt = /^[-\+]?\d+$/;
RegExps.isEnglish = /^[A-Za-z]+$/;
RegExps.isChinese = /^[\u0391-\uFFE5]+$/;
RegExps.isUrl = /^http[s]?:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/;
RegExps.isDate = /^\d{4}-\d{1,2}-\d{1,2}$/;
RegExps.isTime = /^\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}:\d{1,2}$/;