function isNull(str) {
    if (str == null || str == "") return true;
    return false;
}

function isBlank(str) {
    if (str == null || str == "") return true;
    var i = 0;
    while (str.charAt(i) == " " || str.charAt(i) == "　") i += 1;
    str = str.substring(i);
    i = str.length - 1;
    while (str.charAt(i) == " " || str.charAt(i) == "　") i -= 1;
    str = str.substring(0, i + 1);
    if (str == null || str == "") return true;
    return false;
}

/**
 * 打印
 */
function printit()
{
    document.all("tr1").style.display = "none";
    window.print();
    document.all("tr1").style.display = "";
}

/**
 * 联动下拉框，
 * far为父框，
 * son为显示的子框，
 * hidson为隐藏的子框，
 * name为和父框value对应的option属性值，
 * first_text为指定的第一个option的text
 * 例：参见ajcl中的xxdchdj.jsp，跟页面中的元素有关系
 */
function makesonselect(far, son, hidson, name, first_text) {
    son.innerHTML = "";
    if (getLen(far) == 0 || (getLen(hidson) == 0))
        return;
    else {
        var optionobj = document.createElement("option");

        if (first_text != null && first_text != "")
        {
            optionobj.value = "-1";
            optionobj.text = first_text;
            son.add(optionobj);
        }
        for (var i = 0; i < getLen(hidson); i++) {
            if (far.options[far.selectedIndex].value == eval('hidson.options[i].' + name)) {
                optionobj = document.createElement("option");
                optionobj.value = hidson.options[i].value;
                optionobj.text = hidson.options[i].text;
                son.add(optionobj);
            }
        }
    }
}

//去掉全部空格
function trimAll(string) {
    var temp = "";
    for (var i = 0; i < string.length; i++) {
        if (string.charAt(i) != ' ')
            temp = temp + string.charAt(i);
    }
    return temp;
}

//去掉头尾的空格
function trim(s)
{
    if (s == null)
    {
        return s;
    }

    var i;
    var beginIndex = 0;
    var endIndex = s.length - 1;

    for (i = 0; i < s.length; i++)
    {
        if (s.charAt(i) == ' ' || s.charAt(i) == '　')
        {
            beginIndex++;
        }
        else
        {
            break;
        }
    }

    for (i = s.length - 1; i >= 0; i--)
    {
        if (s.charAt(i) == ' ' || s.charAt(i) == '　')
        {
            endIndex--;
        }
        else
        {
            break;
        }
    }

    if (endIndex < beginIndex)
    {
        return "";
    }

    return s.substring(beginIndex, endIndex + 1);
}

/**
 *翻页（form名：turnPage）
 */
function goPage(str, pageURL) {
    var form = document.forms["turnPage"];
    if (str == "next") {
        if (parseInt(form.j_CurPage.value) < parseInt(form.j_TotalPages.value)) {
            form.j_CurPage.value = parseInt(form.j_CurPage.value) + 1;
        }
    }
    if (str == "prev") {
        if (parseInt(form.j_CurPage.value) > 1) {
            form.j_CurPage.value = parseInt(form.j_CurPage.value) - 1;
        }
    }
    if (str == "first") {
        form.j_CurPage.value = 1;
    }
    if (str == "last") {
        form.j_CurPage.value = form.j_TotalPages.value;
    }
    form.action = pageURL;
    form.submit();
}

function doConfirm(act, count) {
    var totals = 0;
    document.all["j_ID"].value = "";
    document.all["j_Flag"].value = "";
    if (document.all["cbID"] == null)return;
    if (count == 1) {
        if (document.all["cbID"].checked && document.all["flag" + document.all["cbID"].value].value == "0") {
            totals = 1;
            document.all["j_ID"].value += document.all["cbID"].value + ",";
            document.all["j_Flag"].value += "1,";
        }
        if (document.all["cbID"].checked && document.all["flag" + document.all["cbID"].value].value == "1") {
            totals = 1;
            document.all["j_ID"].value += document.all["cbID"].value + ",";
            document.all["j_Flag"].value += "0,";
        }
    }
    for (var i = 0; i < document.all["cbID"].length; i++) {
        if (document.all["cbID"][i].checked && document.all["flag" + document.all["cbID"][i].value].value == "0") {
            totals = 1;
            document.all["j_ID"].value += document.all["cbID"][i].value + ",";
            document.all["j_Flag"].value += "1,";
        }
        if (document.all["cbID"][i].checked && document.all["flag" + document.all["cbID"][i].value].value == "1") {
            totals = 1;
            document.all["j_ID"].value += document.all["cbID"][i].value + ",";
            document.all["j_Flag"].value += "0,";
        }
    }
    if (totals == 0) {
        alert("请选择后操作！");
        return;
    }
    showWait();
    document.admin.operation.value = act;
    document.admin.submit();
}

/**
 * 打开一个新窗口
 */
function modalWindow(url, width, height) {
    var option = "Height=" + height + "px,scrollbars=1,Width=" + width + "px,status=0,top=" + (screen.height - height) / 2 + ",left=" + (screen.width - width) / 2;
    window.open(url, "", option);
}

/**
 * 打开一个新窗口
 */
function showmodalWindow(url) {
    var option = "scrollbars=1,resizable,status=0";
    window.open(url, "", option);
}

///////////////////////////////////////////////////////////////////////////////
//  checking a character or string.
///////////////////////////////////////////////////////////////////////////////

// Check a character is whether a digit or a alphabet.
function isDigitOrAlphabetChar(c) {
    return ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'));
}

function isNumber(str) {
    for (var i = 0; i < str.length; i++)
        if (str.charCodeAt(i) < 0x0030 || str.charCodeAt(i) > 0x0039) return false;
    return true;
}

// Check a string whether consists of digits and alphabets.
function isNumberOrAlphabet(str) {
    for (var i = 0; i < str.length; i++) {
        var c = str.charCodeAt(i);
        if (c < 0x0030 || (c > 0x0039 && c < 0x0041) || (c > 0x005A && c < 0x0061) || c > 0x007A) return false;
    }
    return true;
}

function openLink(theURL) {
    window.open(theURL, "_blank", getPosition(800, 600, true) + "height=500,width=800,status=yes,toolbar=yes,menubar=yes,location=yes,scrollbars=yes,resizable=yes")
}

function openRelation(theURL, height, width) {
    window.open(theURL, "_blank", getPosition(800, 600, true) + "height=" + height + ",width=" + width + ",status=yes,toolbar=yes,menubar=yes,location=yes,scrollbars=yes,resizable=yes")
}

function openBrief(theURL, height, width) {
    window.open(theURL, "_blank", getPosition(800, 600, true) + "height=" + height + ",width=" + width + ",status=no,toolbar=no,menubar=no,location=no,scrollbars=no,resizable=yes")
}

function popInfo(theURL, height, width) {
    window.open(theURL, "_blank", getPosition(800, 600, true) + "height=" + height + ",width=" + width + ",status=no,toolbar=no,menubar=no,location=no,scrollbars=no")
}

function popModalDialog(theURL, width, height)
{
    var Parameters = new Array();
    window.showModalDialog(theURL, Parameters, "dialogWidth:498;dialogHeight:187;status:0");
}

//去掉两边的空格
function trimSide(string) {
    var temp = "";
    var bl = false;
    //去掉前面部分的空格
    for (var i = 0; i < string.length; i++) {
        if (bl == true || string.charAt(i) != ' ') {
            temp = temp + string.charAt(i);
            bl = true;
        }
    }
    string = temp;
    temp = "";
    bl = false;
    //去掉后面的空格
    for (var i = string.length; i > 0; i--) {
        if (bl == true || string.charAt(i - 1) != ' ') {
            temp = string.charAt(i - 1) + temp;
            bl = true;
        }
    }
    return temp;
}

function modalWindow(url, width, height) {
    var option = "Height=" + height + "px,scrollbars=0,Width=" + width + "px,status=0,top=" + (screen.height - height) / 2 + ",left=" + (screen.width - width) / 2;
    window.open(url, "", option);
}

function isNumber(str) {
    if (isNaN(str) || str == "") return false;
    else return true;
}

function getFormatedDoubleStr(str, fractionLength) //获得指定格式(小数位数)的double的String类型
{
    var numstrs = str.split(".");
    var fraction = "";
    if (numstrs.length == 2)
    {
        fraction = numstrs[1];
        //小数部分
        if (fractionLength > 0)   //保留fractionLength位小数
        {
            if (fraction.length <= fractionLength)
            {
                var range = fractionLength - fraction.length;
                for (var i = 0; i < range; i ++)
                {
                    fraction = fraction + "0";
                }
                return numstrs[0] + "." + fraction;
                //补足少位返回 end
            }
            else               //小数部分超过需要长度，从末尾开始四舍五入
            {
                var tail = fraction.substring(fractionLength);
                //超出部分 （位数大于0）
                var remain = fraction.substring(0, fractionLength);
                //保留部分 (位数大于0)
                var toadd = getRoundNum(tail);
                //对tail四舍五入的结果
                var originLength = remain.length;
                var remain = new Number(remain) + toadd + "";
                var currLength = remain.length;
                if (currLength < originLength)
                {
                    for (var i = 0; i < originLength - currLength; i ++)
                        remain = "0" + remain;
                }
                else if (currLength > originLength)
                {
                    numstrs[0] = new Number(numstrs[0]) + 1 + "";
                    remain = remain.substring(1);
                }
                return numstrs[0] + "." + remain;
            }
        }
        else   //取零位小数
        {
            return new Number(numstrs[0]) + getRoundNum(numstrs[1]) + "";
        }
    }
    else         //小数位为fractionLength个０
    {
        if (fractionLength > 0)
        {
            for (var i = 0; i < fractionLength; i ++)
                fraction += "0";
            return numstrs[0] + "." + fraction;
        }
        else return numstrs[0];
    }
}

function getRoundNum(str) //对目标字符串判断四舍五入返回0还是1
{
    var firstdigit = str.charAt(0);
    if (firstdigit > 4) return 1;
    else if (firstdigit < 4) return 0;
    else
    {
        for (var i = 1; i < str.length; i ++)
        {
            var current = str.charAt(i);
            if (current < 4) return 0;
            else if (current > 4) return 1;
        }
        return 0;
    }
}

function isNumberStr(str)
{
    if (str == null || str.length == 0) return false;
    for (var i = 0; i < str.length; i++) {
        if (str.charCodeAt(i) < 0x0030 || str.charCodeAt(i) > 0x0039) return false;
    }
    return true;
}

function isEmpty(str) {
    if (str == null || str == "") return true;
    return false;
}

/**
 *在后台管理中，得到选中的记录的id
 */
function getCheckedID(activexName) {
    var result = new Array();
    result[0] = 0;
    //被选中的checkbox个数
    result[1] = "";
    //被选中的checkbox的value列表，以逗号格开
    var defaultActivexName = "cbID";
    if (activexName != null && activexName != "") {
        defaultActivexName = activexName;
    }
    var allElement = document.getElementsByName(defaultActivexName);
    for (var i = 0; i < allElement.length; i++) {
        if (allElement[i].checked) {
            if (result[1] == "") {
                result[1] = allElement[i].value;
            } else {
                result[1] = result[1] + "," + allElement[i].value;
            }
            result[0]++;
        }
    }
    if (result[0] <= 0) {
        alert("请选择一条记录!");
    }
    return result;
}

/**
 *true：全选择，false：全取消
 */
function selectAll(m) {
    for (var i = 0; i < document.all.length; i++) {
        var box = document.all[i];
        if (box.type + "" == "checkbox")box.checked = m;
    }
}

function isDate(str, separator) {
    var strYear = "";
    var strMonth = "";
    var strDay = "";
    var iSeparatorCount = 0;
    for (var i = 0; i < str.length; i++) {
        var c = str.charAt(i);
        var cd = str.charCodeAt(i);
        if (cd >= 0x0030 && cd <= 0x0039) {
            switch (iSeparatorCount) {
                case 0:
                    strYear += c;
                    break;
                case 1:
                    strMonth += c;
                    break;
                case 2:
                    strDay += c;
                    break;
                default:
                    return false;
            }
        } else if (c == separator) {
            iSeparatorCount++;
            if (iSeparatorCount > 2) return false;
        } else return false;
    }
    if (strYear.length == 0 || strMonth.length == 0 || strDay.length == 0)return false;
    var iYear = parseInt(eval(strYear));
    var iMonth = parseInt(eval(strMonth));
    var iDay = parseInt(eval(strDay));
    if (iYear < 1900 || iYear > 2100) return false;
    if (iMonth < 1 || iMonth > 12) return false;
    if (iDay < 1) return false;
    var iFebDays = 28;
    if ((iYear % 400 == 0) || ((iYear % 4 == 0) && (iYear % 100 != 0))) iFebDays = 29;
    switch (iMonth) {
        case 2:
            return (iDay <= iFebDays);
        case 4: case 6: case 9: case 11:
        return (iDay <= 30);
        default:
            return (iDay <= 31);
    }
}

//判断申报所属期是否合法
function isSb_ym(sb_ym) {
    if (sb_ym.length != 6) {
        alert("申报所属期不合法！");
        return false;
    }
    var year = sb_ym.substring(0, 4);
    var month = sb_ym.substring(5, 6);
    if (isNaN(year) || isNaN(month)) {
        alert("申报所属期不合法！");
        return false;
    }
    return true;
}

//根据弹出窗口的大小，获得窗口的居中位置
function getPosition(width, height)
{
    var leftPosition = 0;
    var screenWidth = screen.availWidth;
    if (screenWidth > width)
    {
        leftPosition = (screenWidth - width) / 2;
    }
    var topPosition = 0;
    var screenHeight = screen.availHeight;
    if (screenHeight > height)
    {
        topPosition = (screenHeight - height) / 2;
    }
    var returnValue = null;
{
    returnValue = "top=" + topPosition + ",left=" + leftPosition + ",width=" + width + ",height=" + height;
}
    return returnValue;
}

function selTime(it)
{
    var returnVal = null;
    var strTmp = it.value;
    returnVal = window.showModalDialog("selecttime.jsp?date=" + strTmp, null, "dialogHeight:270px;dialogWidth:300px;status:0;help:0;center:1");
    if (returnVal != null)
        it.value = returnVal;
}

function calculate(je)
{
    var returnVal = null;
    var tempje = je.value;
    returnVal = window.showModalDialog("calculator.jsp?param=" + tempje, je, "dialogHeight:156px;dialogWidth:111px;status:0;help:0;center:1");
    if (returnVal != null) je.value = returnVal;
}

function isFormatedNumber(fnumStr)
{
    if (fnumStr == null) return false;
    if (!isNumber(getNoCommaNumber(fnumStr))) return false;
    var numstrs = fnumStr.split(".");
    if (numstrs.length == 2)
    {
        if (numstrs[1].indexOf(",") >= 0) return false;
    }
    var intnumstrs = numstrs[0].split(",");
    if (intnumstrs.length > 1)
    {
        for (var i = 1; i < intnumstrs.length; i ++)
        {
            if (intnumstrs[i].length != 3) return false;
        }
    }
    return true;
}

function getNoCommaNumber(fnumStr)
{
    var normalNum = fnumStr;
    var firstcomma = normalNum.indexOf(",");
    while (firstcomma > 0)
    {
        normalNum = normalNum.substring(0, firstcomma) + normalNum.substring(firstcomma + 1);
        firstcomma = normalNum.indexOf(",");
    }
    return normalNum;
}

//将标准格式的数字转化为指定小数部分长度的科学计数表现方式
function formatDoubleToScienceString(numStr, radixlength)
{
    if (isNaN(numStr) || numStr == "") return "";
    var roundednum = getFormatedDoubleStr(numStr, radixlength);
    var startindex = roundednum.indexOf(".");
    var result = "";
    if (startindex < 0) startindex = roundednum.length - 1;
    else
    {
        result = roundednum.substring(startindex);
        startindex --;
    }
    while (startindex > 2)
    {
        result = "," + roundednum.substring(startindex - 2, startindex + 1) + result;
        startindex -= 3;
    }
    result = roundednum.substring(0, startindex + 1) + result;
    return result;
}

function getPrecision(normalNumber, precision)
{
    var baseNumber = Math.pow(10, precision);
    normalNumber = Math.round(normalNumber * baseNumber);
    return  normalNumber / baseNumber;
}

// Check a character is whether a 汉字.
function isHanziChar(c) {
    var x = c.charCodeAt(0);
    return (x >= 0x4E00 && x <= 0x9FFF);
}

// Check a string whether consists of 汉字.
function isHanzi(str) {
    for (var i = 0; i < str.length; i++)
        if (!isHanziChar(str.charAt(i))) return false;
    return true;
}

// Check a character is whether a half-corner character.
function isHalfCornerChar(c) {
    var x = c.charCodeAt(0);
    return ((x <= 0x009F) || (x >= 0x00E0 && x <= 0x01FF && x != 0x00F7) || (x >= 0xE000 && x <= 0xE7CF));
}

// Check a string whether consists of half-corner characters.
function isHalfCorner(str) {
    for (var i = 0; i < str.length; i++) {
        if (!isHalfCornerChar(str.charAt(i))) return false;
    }
    return true;
}

//检查日期格式是否正确（格式：2002-1-30）
function checkDateFormat(value) {
    var pos1,pos2;
    var year,month,day;
    if (countSubStr("-", value) != 2) {
        alert("请正确填写日期，格式：year-month-day");
        return false;
    }
    pos1 = value.indexOf("-");
    pos2 = value.lastIndexOf("-");
    year = value.substring(0, pos1);
    if (year.length != 4) {
        alert("请正确填写年份");
        return false;
    }
    if (isNaN(year)) {
        alert("年份必须为数字格式" + year);
        return false;
    }
    month = value.substring(pos1 + 1, pos2);
    if (isNaN(month)) {
        alert("月份必须为数字格式");
        return false;
    }
    if (month > 12) {
        alert("输入的月份太大");
        return false;
    }
    month = value.substring(pos1 + 1, pos2);
    if (month < 1) {
        alert("输入的月份太小");
        return false;
    }

    day = value.substr(pos2 + 1);
    if (isNaN(day)) {
        alert("日期必须为数字格式");
        return false;
    }
    if (day > 31) {
        alert("输入的日期太大");
        return false;
    }
    if (day < 1) {
        alert("输入的日期太小");
        return false;
    }
    return true;
}
//计算一个字符（字符串）在另一个字符串中出现的次数
function countSubStr(subStr, sourceStr) {
    var pos = -1;
    temp = sourceStr;
    for (var i = 0; (pos = sourceStr.indexOf(subStr, pos + 1)) != -1; i++);
    return i;
}

// Check a string separated by specified character is whether a valid date.
// Such date contains three parts: year, month and day.
function isDate(str, separator) {
    var strYear = "";
    var strMonth = "";
    var strDay = "";
    var iSeparatorCount = 0;
    for (var i = 0; i < str.length; i++) {
        var c = str.charAt(i);
        var cd = str.charCodeAt(i);
        if (cd >= 0x0030 && cd <= 0x0039) {
            switch (iSeparatorCount) {
                case 0:
                    strYear += c;
                    break;
                case 1:
                    strMonth += c;
                    break;
                case 2:
                    strDay += c;
                    break;
                default:
                    return false;
            }
        } else if (c == separator) {
            iSeparatorCount++;
            if (iSeparatorCount > 2) return false;
        } else
            return false;
    }
    if (strYear.length == 0 || strMonth.length == 0 || strDay.length == 0)return false;
    var iYear = parseInt(eval(strYear));
    var iMonth = parseInt(eval(strMonth));
    var iDay = parseInt(eval(strDay));
    if (iYear < 1900 || iYear > 2100) return false;
    if (iMonth < 1 || iMonth > 12) return false;
    if (iDay < 1) return false;
    var iFebDays = 28;
    if ((iYear % 400 == 0) || ((iYear % 4 == 0) && (iYear % 100 != 0))) iFebDays = 29;
    switch (iMonth) {
        case 2:
            return (iDay <= iFebDays);
        case 4: case 6: case 9: case 11:
        return (iDay <= 30);
        default:
            return (iDay <= 31);
    }
}

// check a string is whether a E-mail address.
function isValidEmail(str) {
    if (str.indexOf("@") == -1 || str.indexOf(".") == -1) return false;
    if (str.indexOf("@") != str.lastIndexOf("@")) return false;
    var strDeny = '()<>@\\,;:"[] ';
    var strLeft = str.substring(0, str.indexOf("@"));
    for (var i = 0; i < strLeft.length; i++) {
        if (strDeny.indexOf(strLeft.charAt(i)) > -1) return false;
    }
    var strRight = str.substring(str.indexOf("@") + 1);
    for (var i = 0; i < strRight.length; i++)
        if ("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-.".indexOf(strRight.charAt(i)) == -1) return false;
    if (strRight.indexOf(".") == 0 || strRight.indexOf("-") == 0) return false;
    if (strRight.indexOf("-.") > -1 || strRight.indexOf(".-") > -1) return false;
    if (strRight.lastIndexOf(".") == strRight.length - 1) return false;
    if (strRight.lastIndexOf("-") == strRight.length - 1) return false;
    return true;
}

function IsValidString(checkStr) {
    var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_";
    var allValid = true;
    if (checkStr.length < 1)  allValid = false;
    for (i = 0; i < checkStr.length; i++) {
        ch = checkStr.charAt(i);
        for (j = 0; j < checkOK.length; j++)
            if (ch == checkOK.charAt(j))   break;
        if (j == checkOK.length) {
            allValid = false;
            break;
        }
    }
    return allValid;
}

function submitIframe(frameName, formName) {
    document.frames(frameName).document.getElementById(formName).submit();
}
function submitForm(formName) {
    document.getElementById(formName).submit();
}
function modalDialog(url, dialogWidth, dialogHeight) {
    var parameter = "dialogWidth:" + dialogWidth + "em;dialogHeight:" + dialogHeight + "em;status:0";
    returnValue = window.showModalDialog(url, modalDialog, parameter);
    return  returnValue
}

//判断是否  视频 文件
function isVideo(path)
{
    var suffix = ".RM,.AVI,.MPG,.MPEG,.WMV,.WAV,.MP3,.RMVB,.MIDI";
    if (path == null) return false;
    path = trim(path);
    var len = path.length;
    var tempSuffix = "";
    for (var i = len; i > 0; i--)
    {
        var c = path.charAt(i - 1);
        if (c == '.')  break;
        else tempSuffix = c + tempSuffix;
    }
    tempSuffix = "." + tempSuffix.toUpperCase();
    if (suffix.indexOf(tempSuffix) > -1) return true;
    else return false;
}
//判断是否  图片文件
function isPicture(path)
{
    var suffix = ".JPG,.GIF,.BMP,.TIF,.TIFF,.JPEG";
    if (path == null) return false;
    path = trim(path);
    var len = path.length;
    var tempSuffix = "";
    for (var i = len; i > 0; i--)
    {
        var c = path.charAt(i - 1);
        if (c == '.')  break;
        else tempSuffix = c + tempSuffix;
    }
    tempSuffix = "." + tempSuffix.toUpperCase();
    if (suffix.indexOf(tempSuffix) > -1) return true;
    else return false;
}


//判断是否有效的数字
function IsValidNumber(checkStr) {
    checkStr = trimSide(checkStr);
    if (checkStr == "") return false;
    var checkOK = "0123456789";
    var allValid = true;
    if (checkStr.length < 1)  allValid = false;
    for (i = 0; i < checkStr.length; i++) {
        ch = checkStr.charAt(i);
        for (j = 0; j < checkOK.length; j++)
            if (ch == checkOK.charAt(j))   break;
        if (j == checkOK.length) {
            allValid = false;
            break;
        }
    }
    return allValid;
}

function selBranch()
{
    var theURL = "../common/branch.jsp";
    var reValue = window.open(theURL, "_blank", getPosition(800, 600, true) + "height=400,width=300,scrollbars=yes,resizable=yes")   ;
    //alert(reValue);
}
function selBranch2(branchId)
{
    var theURL = "../common/branch.jsp?branchId=" + branchId;
    var reValue = window.open(theURL, "_blank", getPosition(800, 600, true) + "height=400,width=300,scrollbars=yes,resizable=yes")   ;
    //alert(reValue);
}

function newDialog(mypage, myparam, w, h) {
    settings = 'help:no;scroll:yes;status:no;dialogWidth:' + w + 'px;dialogHeight:' + h + 'px';
    return window.showModalDialog(mypage, myparam, settings);
}

function getLen(obj) {
    if (obj == null)
        return 0;
    if (obj.length == null) {
        obj[0] = obj;
        return 1;
    }
    return obj.length;
}

//document.onkeydown=handler;
//function handler(){
//if(window.event.keyCode=="13")
//	window.event.keyCode="9";
//}

function setShort(selectobj, textobj) {
    textobj.value = selectobj.options[selectobj.selectedIndex].text;
}

var tempval = "";
function settemp(obj) {
    tempval = obj.value;
}
function changetemp(obj) {
    if (obj.value != '') {
        for (var i = 0; i < obj.value.length; i++) {
            if ((obj.value.charAt(i) < '0' || obj.value.charAt(i) > '9') && obj.value.charAt(i) != '') {
                obj.value = tempval;
                alert('请输入数字!');
                obj.focus();
                return;
            }
        }
        settemp(obj);
    }
}