inc_js_myvietnamlib.jsp

飞鱼论坛 (java)

<%--
 - $Author: 飞鱼
 - $Revision: 1.22 $
 - $Date: 2003/02/01 09:41:34 $
 - http://www.hnedu.net/fiyu 
  --%>
  <script language="JavaScript">
function trimLeft(s) {
    var whitespaces = " \t\n\r";
    for(n = 0; n < s.length; n++) { if (whitespaces.indexOf(s.charAt(n)) == -1) return (n > 0) ? s.substring(n, s.length) : s; }
    return("");
}

function trimRight(s){
    var whitespaces = " \t\n\r";
    for(n = s.length - 1; n  > -1; n--) { if (whitespaces.indexOf(s.charAt(n)) == -1) return (n < (s.length - 1)) ? s.substring(0, n+1) : s; }
    return("");
}

function trim(s) {return ((s == null) ? "" : trimRight(trimLeft(s))); }

function isBlank(field, strBodyHeader) {
    strTrimmed = trim(field.value);
    if (strTrimmed.length > 0) return false;
    alert("\"" + strBodyHeader + "\" 是个必要填写的栏位.");
    field.focus();
    return true;
}

function checkRadioOther(strField){
    var form = document._mktf;
    for (var i = 0; i < form.elements.length; i++){
    var field = form.elements[i];
    if ((field.type == "radio" || field.type == "checkbox")  && field.name == strField && field.value == "Other")
    field.checked = 1;}
}
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^" + specialChars + "\]";
var quotedString="(\"[^\"]*\")";
var ipDomainPat=/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedString + ")";
var atomPat=new RegExp("^" + atom + "$");
var localPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
var complexPat=/^(.+)<(.+)>$/;
var commentPat=/(.*)\((.*)\)(.*)$/;
function simpleEmailCheck (emailStr) {
    if(emailStr == "") return false;
    var matchArray=emailStr.match(emailPat);
    if (matchArray==null) return false;
    var user=matchArray[1];
    var domain=matchArray[2];
    for (i=0; i<user.length; i++) {
        if (user.charCodeAt(i)>127) return false;
    }
    for (i=0; i<domain.length; i++) {
        if (domain.charCodeAt(i)>127) return false;
    }
    if( !checkUser(user)) return false;
    var IPArray=domain.match(ipDomainPat);
    if (IPArray!=null) {
        for (var i=1;i<=4;i++) {
            if (IPArray[i]>255) return false;
        }
        return true;
    }
    var domArr=domain.split(".");
    var len=domArr.length;
    for (i=0;i<len;i++) {
        if( !checkDomain(domArr[i]) ) return false;
    }
    return true;
}
function checkDomain(domain){
    var validDomain = true;
    var domainArray = domain.match(commentPat);
    if( domainArray == null ) {
        if( domain.match(atomPat)==-1) validDomain = false;
    }
    else {
        for(var i=1; i<domainArray.length; i++){
            if( domainArray[i] != "" && !checkDomain(domainArray[i]) ) validDomain = false;
        }
    }
    return validDomain;
}
function checkUser(user){
    var validUser = true;
    var userArray = user.match(commentPat);
    if( userArray == null ){
        if (user.match(localPat)==null)  validUser = false;
    }
    else {
        for(var i=1; i<userArray.length; i++) {
            if( userArray[i] != "" && !checkUser(userArray[i]) ) validUser = false;
        }
    }
    return validUser;
}
function isEmail(field, strBodyHeader){
    emailStr = field.value;
    if(emailStr.length == 0) return true;
    if(!complexEmailCheck(emailStr)) {
        alert(strBodyHeader + " 是不合法的电子邮件.");
        field.focus();
        return false;
    }
    return true;
}
function complexEmailCheck(emailStr){
    if(emailStr == "") return false;
    if(emailStr.indexOf("@")==-1) return false;
    var matchArray=emailStr.match(complexPat);
    if (matchArray==null) {
        if( simpleEmailCheck(emailStr) ) return true;
        else return false;
    }
    var phrase=matchArray[1];
    var routeAddr=matchArray[2];
    if( !simpleEmailCheck(routeAddr) ) return false;
    else return true;
}
function isSelected(field, strBodyHeader) {
    for(i=0; i < field.length; i++) { if (field[i].selected && (trim(field[i].value).length > 0)) return true; }
    alert("\"" + strBodyHeader + "\" is a required field. Please choose a selection.");
    field.focus();
    return false;
}
function writeEmail(name, domain, classstyle) {
    document.write("<a href='mailto:" + name + "@" + domain + "' class='" + classstyle+ "'>" + name + "@" + domain + "</a>");
}

function writeDomain(emailstring) {
var index;
var result;
if (!simpleEmailCheck(emailstring)) return emailstring;
index=emailstring.indexOf("@");
result=emailstring.substring(index+1,emailstring.length);
return result;
//alert(result);
}

function writeEmailTitle(emailstring) {
if (!simpleEmailCheck(emailstring)) return emailstring;
var index;
var result;
index=emailstring.indexOf("@");
result=emailstring.substring(0,index);
//alert(result);
return result;
}
</script>