<!-- Paste this code into an external JavaScript file named: chkform.js  -->

/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Viala :: http://www.viala.hu */

/* Based on: Travis Beckham ::
http://www.squidfingers.com | http://www.podlob.com
Based on: Manzi Olivier :: http://www.imanzi.com/
Based on: jgw (jgwang@csua.berkeley.edu )/ */

function checkCapsLock( e ) {
       var myKeyCode=0;
       var myShiftKey=false;

       // Internet Explorer 4+
       if ( document.all ) {
               myKeyCode=e.keyCode;
               myShiftKey=e.shiftKey;

       // Netscape 4
       } else if ( document.layers ) {
               myKeyCode=e.which;
               myShiftKey=( myKeyCode == 16 ) ? true : false;

       // Netscape 6
       } else if ( document.getElementById ) {
               myKeyCode=e.which;
               myShiftKey=( myKeyCode == 16 ) ? true : false;

       }

       // Upper case letters are seen without depressing the Shift key, therefore Caps Lock is on
       if ( ( myKeyCode >= 65 && myKeyCode <= 90 ) && !myShiftKey ) {
               alert( errormsg[100] );

       // Lower case letters are seen while depressing the Shift key, therefore Caps Lock is on
       } else if ( ( myKeyCode >= 97 && myKeyCode <= 122 ) && myShiftKey ) {
               alert( errormsg[100] );

       }
}

function CalcKeyCode(aChar) {
 var character = aChar.substring(0,1);
 var code = aChar.charCodeAt(0);
 return code;
}

function checkNumber(val) {
 var strPass = val.value;
 var strLength = strPass.length;
 var lchar = val.value.charAt((strLength) - 1);
 var cCode = CalcKeyCode(lchar);


 /* Check if the keyed in character is a number
    do you want alphabetic UPPERCASE only ?
    or lower case only just check their respective
    codes and replace the 48 and 57 */

 if (cCode < 48 || cCode > 57 ) {
   var myNumber = val.value.substring(0, (strLength) - 1);
   val.value = myNumber;
 }
 return false;
}
function isEmpty(str){
 return (str == null) || (str.length == 0);
}
// returns true if the string is a valid email
function isEmail(str){
 if(isEmpty(str)) return false;
 var re = /^[^\s()<>@,;:\/]+@\w[\w\.-]+\.[a-z]{2,}$/i
 return re.test(str);
}
// returns true if the string only contains characters A-Z or a-z
function isAlpha(str){
 var re = /[^a-zA-Z]/g
 if (re.test(str)) return false;
 return true;
}
// returns true if the string only contains characters 0-9
function isNumeric(str){
 var re = /[\D]/g
 if (re.test(str)) return false;
 return true;
}
// returns true if the string only contains characters A-Z, a-z or 0-9
function isAlphaNumeric(str){
 var re = /[^a-zA-Z0-9]/g
 if (re.test(str)) return false;
 return true;
}
// returns true if the string's length equals "len"
function isLength(str, len){
 return str.length == len;
}
// returns true if the string's length is between "min" and "max"
function isLengthBetween(str, min, max){
 return (str.length >= min)&&(str.length <= max);
}
// returns true if the string is a US phone number formatted as...
// (000)000-0000, (000) 000-0000, 000-000-0000, 000.000.0000, 000 000 0000, 0000000000
function isPhoneNumber(str){
 var re = /^\(?[2-9]\d{2}[\)\.-]?\s?\d{3}[\s\.-]?\d{4}$/
 return re.test(str);
}
// returns true if the string is a valid date formatted as...
// mm dd yyyy, mm/dd/yyyy, mm.dd.yyyy, mm-dd-yyyy
function isDate(str){
 var re = /^(\d{1,2})[\s\.\/-](\d{1,2})[\s\.\/-](\d{4})$/
 if (!re.test(str)) return false;
 var result = str.match(re);
 var y = parseInt(result[3]);
 var m = parseInt(result[2]);
 var d = parseInt(result[1]);
 if(m < 1 || m > 12 || y < 1900 || y > 2100) return false;
 if(m == 2){
         var days = ((y % 4) == 0) ? 29 : 28;
 }else if(m == 4 || m == 6 || m == 9 || m == 11){
         var days = 30;
 }else{
         var days = 31;
 }
 return (d >= 1 && d <= days);
}
// returns true if "str1" is the same as the "str2"
function isMatch(str1, str2){
 return str1 == str2;
}
// returns true if the string contains only whitespace
// cannot check a password type input for whitespace
function isWhitespace(str){ // NOT USED IN FORM VALIDATION
 var re = /[\S]/g
 if (re.test(str)) return false;
 return true;
}
// removes any whitespace from the string and returns the result
// the value of "replacement" will be used to replace the whitespace (optional)
function stripWhitespace(str, replacement){// NOT USED IN FORM VALIDATION
 if (replacement == null) replacement = '';
 var result = str;
 var re = /\s/g
 if(str.search(re) != -1){
   result = str.replace(re, replacement);
 }
 return result;
}
// validate the form
function validateForm(f, preCheck, newClass, alerttype){
 var errors = '';
 var errorsa = '';
 if(preCheck != null) errors += preCheck;
 var i,e,t,n,v;
 for(i=0; i < f.elements.length; i++){
   e = f.elements[i];

   if(e.optional) continue;
   t = e.type;
   n = e.id;
   v = e.value;
   if(t == 'text' || t == 'password' || t == 'textarea'){

     if(isEmpty(v)){
       errors += n+errormsg[1]+ '<br>';
       errorsa += n+errormsg[1]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     if(v == e.defaultValue){
       errors += n+errormsg[2]+ '<br>';
       errorsa += n+errormsg[2]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     if(e.isAlpha){
       if(!isAlpha(v)){
       errors += n+errormsg[3]+ '<br>';
       errorsa += n+errormsg[3]+'\n';
       overlib('eaaaa');
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     }
     if(e.isNumeric){
       if(!isNumeric(v)){
       errors += n+errormsg[4]+ '<br>';
       errorsa += n+errormsg[4]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     }
     if(e.isAlphaNumeric){
       if(!isAlphaNumeric(v)){
       errors += n+errormsg[5]+ '<br>';
       errorsa += n+errormsg[5]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     }
     if(e.isEmail){
       if(!isEmail(v)){
       errors += v+errormsg[6]+ '<br>';
       errorsa += n+errormsg[6]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     }
     if(e.isLength != null){
       var len = e.isLength;
       if(!isLength(v,len)){
       errors += n+errormsg[7]+ len + '<br>';
       errorsa += n+errormsg[7]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     }
     if(e.isLengthBetween != null){
       var min = e.isLengthBetween[0];
       var max = e.isLengthBetween[1];
       if(!isLengthBetween(v,min,max)){
       errors += n+errormsg[8] + min + '-' + max + '<br>';
       errorsa += n+errormsg[8] + min + '-' + max + '\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     }
     if(e.isPhoneNumber){
       if(!isPhoneNumber(v)){
       errors += v+errormsg[9]+ '<br>';
       errorsa += n+errormsg[9]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     }
     if(e.isDate){
       if(!isDate(v)){
       errors += v+errormsg[10]+ '<br>';
       errorsa += n+errormsg[10]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     }
     if(e.isMatch != null){
       if(!isMatch(v, e.isMatch)){
       errors += n+errormsg[11]+ '<br>';
       errorsa += n+errormsg[11]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
     }
   }
   if(t.indexOf('select') != -1){
     if(isEmpty(e.options[e.selectedIndex].value)){
       errors += n+errormsg[12]+ '<br>';
       errorsa += n+errormsg[12]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
   }
   if(t == 'file'){
     if(isEmpty(v)){
       errors += n+errormsg[13]+'<br>';
       errorsa += n+errormsg[13]+'\n';
       e.className=newClass;
       continue;
     }
     else {
       e.className='checkit';
     }
   }
 }
 div = document.getElementById('errordiv');
 if(errors != '') {
         if(alerttype == '2' || alerttype == '3') {
     alert(errorsa);
     }
         if(alerttype == '1' || alerttype == '3') {
     return dispErr(errors, div);
     }
 }
 div.style.display="none";
 return errors == '';
}

dispErr = function(error, divo) {
 divo.style.display="block";
 divo.innerHTML = error;
 return false;
}


/*
The following elements are not validated...

button   type="button"
checkbox type="checkbox"
hidden   type="hidden"
radio    type="radio"
reset    type="reset"
submit   type="submit"

All elements are assumed required and will only be validated for an
empty value or defaultValue unless specified by the following properties.

isEmail = true;          // valid email address
isAlpha = true;          // A-Z a-z characters only
isNumeric = true;        // 0-9 characters only
isAlphaNumeric = true;   // A-Z a-z 0-9 characters only
isLength = number;       // must be exact length
isLengthBetween = array; // [lowNumber, highNumber] must be between lowNumber and highNumber
isPhoneNumber = true;    // valid phone number. See "isPhoneNumber()" comments for the formatting rules
isDate = true;           // valid date. See "isDate()" comments for the formatting rules
isMatch = string;        // must match string
optional = true;         // element will not be validated

alerttype = 0            // no error msg
alerttype = 1            // error msg in div
alerttype = 2            // error msg in alert
alerttype = 3            // error msg in div and alert
*/

//============================

// error msg depends on the language
var errormsg = new Array();
errormsg[0] = 'Herhangi bir Üyelik Tipi Seçiniz !';
errormsg[1] = ' Boş Lütfen Doğru Bilgi ile Doldurunuz!';
errormsg[2] = ' Verilen Örnek Degerleri Degistiriniz!';
errormsg[3] = ' Sadece A-Z , a-z karakterler içerebilir!';
errormsg[4] = ' Sadece 0-9 karakterler içerebilir!';
errormsg[5] = ' Sadece A-Z a-z 0-9 karakterler içerebilir!';
errormsg[6] = ' Geçersiz Lütfen Dogru Bir Eposta Adresi Giriniz!';
errormsg[7] = ' Karakterler Sayi Ve Daha Az olmalidir ';
errormsg[8] = ' Sayi olmali ve arasinda olmalidir ';
errormsg[9] = ' Geçerli Bir Telefon Numarasi Giriniz!';
errormsg[10] = ' Geçerli Bir Tarih Giriniz!';
errormsg[11] = ' Girdiğiniz Şifre İle Aynı degildir!';
errormsg[12] = ' needs an option selected!';
errormsg[13] = ' needs a file to upload!';
errormsg[99] = 'Tüm Alanları Temizlemek İstediğinizden Emin misiniz ?';
errormsg[100] = 'Caps Lock Açik.\n\nLütfen Parolanızı Küçük Harflerden oluşturunuz,\nCaps Lock Kapatiniz.';�