/*---------------------------------------
    功能用途： javascript通用检测方法
    创建人：   杨延波
    创建日期： 2002.10.9
    修改人：
    修改日期：
    成员变量：
----------------------------------------*/

/*------------------------
  功能：替换任何空白字符
-------------------------*/
function TrimString (strVal)
{
    strTmp = strVal + "";
    if (strTmp.length == 0)
        return (strTmp);
    reVal = /^\s*/;
    strTmp = strTmp.replace (reVal, '');
    reVal = /\s*$/;
    return (strTmp.replace (reVal, ''));
}

/*------------------------
  功能：检测是否是有效数字
-------------------------*/
function Check_Num( num )
{
    num = ( TrimString( num ) );
    if (num.length == 0)
        return (false);
    return ( Number( num ) );
}

/*------------------------
  功能：检测是否是有效日期
-------------------------*/
function Check_Date(strDate)
{
    strDate = (TrimString (strDate));
    if (strDate.length == 0)
        return (false);
    reVal = /^([1-2]\d{3})[\/|\-](0?[1-9]|10|11|12)[\/|\-]([0-2]?[1-9]|10|20|30|31)$/;
    return (reVal.test (strDate));
}

/*------------------------
  功能：检测是否是有效Email
-------------------------*/
function Check_Email (strEmail)
{
    strEmail = (TrimString (strEmail));
    if (strEmail.length == 0)
        return (false);

    reVal = /^[\-!#\$%&'\*\+\\\.\/0-9=\?A-Z\^_`a-z{|}~]+@[\-!#\$%&'\*\+\\\.\/0-9=\?A-Z\^_`a-z{|}~]+(\.[\-!#\$%&'\*\+\\\.\/0-9=\?A-Z\^_`a-z{|}~]+)+$/;
    return (reVal.test (strEmail));
}

/*------------------------
  功能：检测是否是有效时间
-------------------------*/
function Check_Time (strTime)
{
    strTime = (TrimString (strTime));
    if (strTime.length == 0)
        return (false);

    reVal = /^(([0-9]|[01][0-9]|2[0-3])(:([0-9]|[0-5][0-9])){0,2}|(0?[0-9]|1[0-1])(:([0-9]|[0-5][0-9])){0,2}\s?[aApP][mM])?$/;
    return (reVal.test (strTime));
}

/*------------------------
  功能：检测是否是有效日期特定格式
-------------------------*/
function Check_Date_1 (strDate)
{
    strDate = (TrimString (strDate));
    if (strDate.length == 0)
        return (false);
    reVal = /^([1-2]\d{3})[\/](0?[1-9]|10|11|12)[\/]([1-2]?[0-9]|0[1-9]|30|31)$/;
    return (reVal.test (strDate));
}

/*------------------------
  功能：检测是否是有效日期特定格式
-------------------------*/
function Check_Date_2 (strDate)
{
    strDate = (TrimString (strDate));
    if (strDate.length == 0)
        return (false);
    reVal = /^([1-2]\d{3})[\-](0[1-9]|10|11|12)[\-]([1-2][0-9]|0[1-9]|30|31)$/;
    return (reVal.test (strDate));
}

/*--------------------------------------
  功能：换行定行
---------------------------------------*/
function enter( form, temp )
{
    if ( window.event.keyCode == 13 )
    {
        eval( form + temp + ".focus()" );
        eval( form + temp + ".select()" );
    }
    else
        return (false);
}

/*--------------------------------------
  功能：检查字符串长度
---------------------------------------*/
function ByteString (strVal)
{
    nLen = 0;

    for (i = 0; i < strVal.length; i ++)
    {
        if (strVal.charCodeAt (i) > 255)
            nLen += 2;
        else
            nLen ++;
    };
    return (nLen);
}

/*--------------------------------------
  功能：按要求截取字符串长度
---------------------------------------*/
function SubString(strVal,nStrLen)
{
    nLen = 0;
    nTemp = 0;
    for (i = 0; i < strVal.length; i ++)
    {
        if (strVal.charCodeAt (i) > 255)
            nLen += 2;
        else
            nLen ++;
        if(nLen <= nStrLen)
            nTemp = i;
        else
            break;
    };
    return(strVal.substr(0,nTemp+1));
}

/*------------------------
  功能：检测是否是有效注册号
-------------------------*/
function Check_login( num )
{
    num = ( TrimString( num ) );
    if (num.length == 0)
        return (false);
    reVal = /^2[0-9]{12}$/;
    return ( reVal.test (num) );
}


/*------------------------
  功能：检测是否是有效浮点数字
-------------------------*/
function Check_Float( num )
{
    num = ( TrimString( num ) );
    if (num.length == 0)
        return (false);
    reVal = /^[\-]{0,1}(0|[1-9][0-9]{0,10})([\.][0-9]{0,4}){0,1}$/;
    return ( reVal.test (num) );
}

////////////////////////////
//  功能：检测是否是有效浮点数字,格式：0.00
///////////////////////////
function Check_Money(num)
{
    num = (TrimString(num));
    if (num.length == 0)
        return (false);
    reVal = /^[\-]{0,1}(0|[1-9][0-9]{0,10})([\.][0-9]{0,2}){0,1}$/;
    return (reVal.test (num));
}

////////////////////////
//  名称：GetAboutDate
//  功能：获得输入日期前后的某一天
//  输入：STRING theDate 给定日期 日期格式：“0000-00-00”
//        INT    nAbout 天数
//  输出：
//  返回：日期字符串
////////////////////////
function GetAboutDate(theDate,nAbout)
{
    var re = /-/g;
    theDate = theDate.replace(re,"/");
    d = new Date(theDate);
    d.setDate(d.getDate() + nAbout);
    return d.getYear() + "-" + (d.getMonth() + 1) + "-" + d.getDate();
}

////////////////////////
//  名称：CheckSpecialChar
//  功能：检测特殊符号:><'\
//  输入：Strings 给定的字符串
//  输出：chr 返回特殊符号
//  返回：找到返回true;否则false
////////////////////////
function CheckSpecialChar(str)
{
    var chr = "";
    var Strings = str;
    chr = "<";
    if(Strings.indexOf(chr) > -1)
        return true;
    chr = ">";
    if(Strings.indexOf(chr) > -1)
        return true;
    chr = "'";
    if(Strings.indexOf(chr) > -1)
        return true;
    chr = "\"";
    if(Strings.indexOf(chr) > -1)
        return true;
    chr = "\\";
    if(Strings.indexOf(chr) > -1)
        return true;
    return false;
}

function OrtTrimString (strVal)
{
    var reVal;
    var strTmp;
    strTmp = strVal + "";
    if (strTmp.length == 0)
        return (strTmp);
    reVal = /^(\s|　)*/;
    strTmp = strTmp.replace (reVal, '');
    reVal = /(\s|　)*$/;
    return (strTmp.replace (reVal, ''));
}

function OrtOpenCenterWindow (URL, Name, Features)
{
    var nWidth;
    var nHeight;
    var nLeft;
    var nTop;
    var strVal;
    var nPos;
    var strComb;
    var i;
    var chVal;
    nLeft = 0;
    nTop = 0;
    if (Features == null)
        return (window.open (URL, Name, Features));
    strVal = Features.toUpperCase ();
    if (strVal.indexOf ("LEFT", 0) >= 0 || strVal.indexOf ("TOP", 0) >= 0)
        return (window.open (URL, Name, Features));
    if ((nPos = strVal.indexOf ("WIDTH", 0)) < 0)
        return (window.open (URL, Name, Features));
    if ((nPos = strVal.indexOf ("=", nPos)) < 0)
        return (window.open (URL, Name, Features));
    strComb = "";
    for (i = nPos + 1; i < Features.length; i ++)
    {
        chVal = Features.charAt (i);
        if (chVal == " " || (chVal >= "0" && chVal <= "9"))
            strComb += chVal;
        else
            break;
    }
    if ((nWidth = eval (OrtTrimString (strComb))) <= 0)
        return (window.open (URL, Name, Features));
    if ((nPos = strVal.indexOf ("HEIGHT", 0)) < 0)
        return (window.open (URL, Name, Features));
    if ((nPos = strVal.indexOf ("=", nPos)) < 0)
        return (window.open (URL, Name, Features));
    strComb = "";
    for (i = nPos + 1; i < Features.length; i ++)
    {
        chVal = Features.charAt (i);
        if (chVal == " " || (chVal >= "0" && chVal <= "9"))
            strComb += chVal;
        else
            break;
    }
    if ((nHeight = eval (OrtTrimString (strComb))) <= 0)
        return (window.open (URL, Name, Features));
    nLeft = (window.screen.width - nWidth) / 2;
    nTop = (window.screen.height - nHeight) / 2;
    Features += ",left=" + nLeft + ",top=" + nTop;
    return (window.open (URL, Name, Features));
}