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

function CheckEmail (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));
}

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 (TrimString (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 (TrimString (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));
}