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function $id(s) {
    return document.getElementById(s);
}
//ÅжÏСÊý
function IsFloat(s) {
    if (!/^[+\-]?\d+(.\d+)?$/.test(s))
        return false;
    else
        return true;
}
//ÅжÏÕýСÊý
function IsPlusFloat(s) {
    if (!/^[+]?\d+(.\d+)?$/.test(s))
        return false;
    else
        return true;
}
//ÅжÏÕýÕûÊý
function IsPlusInt(s) {
    if (!/^\d*$/.test(s))
        return false;
    else
        return true;
}
//ÅжÏÊÇ·ñΪ×ÖĸºÍÊý×Ö
function CheckName(s) {
    if (!/^[A-Za-z0-9._-]+$/.test(s))
        return false;
    else
        return true;
}
//¼ì²âEmail¸ñʽ
function IsEmail(s) {
    var pattern = /^([a-zA-Z0-9._-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
    flag = pattern.test(s);
    if (!flag) {
        return false;
    }
    return (true);
}
//±È½ÏÁ½¸öÊýÊÇ·ñÏàͬ
function CompValue(s1, s2) {
    if (s1 != s2) {
        return false;
    }
    else
        return true;
}
//ÅжÏ×Ö·ûÊÇ·ñΪ¿Õ
function IsEmpty(s) {
    if (s == "") {
        return false;
    }
    else
        return true;
}
//È¡RadioListµÄÖµ
function GetRadioList(s) {
    var radListItems = document.all(s);
    var radListItesCount = radListItems.le


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