/* 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 )/ */

// |||||||||||||||||||||||||||||||||||||||||||||||||||||
//
// Coded by Viala
// http://www.viala
// If want to use this code, feel free to do so, but
// please leave this message intact.
//
// |||||||||||||||||||||||||||||||||||||||||||||||||||||
// --- version date: 23/10/2006-------------------------


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 only contains characters A-Z, a-z or 0-9 or space
function isAlphaNumericSpace(str){
  var re = /[^a-zA-Z0-9 ]/g
  if (re.test(str)) return false;
  return true;
}
// returns true if the string only contains characters A-Z, a-z or 0-9 or space or special character included
function isAlphaNumericSpecial(str){
  var re = /[^a-zA-Z0-9-_.'&() ]/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_ifNotNull(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}$/
  var re = /^\+\d{2,3}\ \(\d{2,3}\)\ \d{6,7}$/
  return re.test(str);
}
// returns true if the string is a valid date formatted as...
// mm dd yyyy, mm/dd/yyyy, mm.dd.yyyy, mm-dd-yyyy
function isDate(str){
  //var re = /^(\d{1,2})[\s\.\/-](\d{1,2})[\s\.\/-](\d{4})$/

/* yyyy-mm-dd format
  var re = /^(\d{4})[-\s\.\/](\d{1,2})[-\s\.\/](\d{1,2})$/
  if (!re.test(str)) return false;
  var result = str.match(re);
  var y = parseInt(result[1]);
  var m = parseInt(result[2]);
  var d = parseInt(result[3]);
*/
  // dd-mm-yyyy format
  var re = /^(\d{1,2})[-\s\.\/](\d{1,2})[-\s\.\/](\d{4})$/
  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;
        //alert(e.name+'   '+i+'   '+e.isAlphaNumeric_ifNotNull);
        //if(e.isAlphaNumeric_ifNotNull) alert(e.name);
        if(t == 'text' || t == 'password' || t == 'textarea')    {

            //if(isEmpty(v))    {
            if(isEmpty(v) && !e.isAlphaNumeric_ifNotNull)    {
                errors += n+errormsg[1]+ '<br>';
                errorsa += n+errormsg[1]+'\n';
                e.className=newClass;
                continue;
            }
        else {
            e.className='checkit';
        }
        //if(v == e.defaultValue)    {
        if(v == e.defaultValue && !e.isAlphaNumeric_ifNotNull)    {
            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.isAlphaNumericSpace)    {
            if(!isAlphaNumericSpace(v))    {
                errors += n+errormsg[5]+ '<br>';
                errorsa += n+errormsg[5]+'\n';
                e.className=newClass;
                continue;
            }
            else {
                e.className='checkit';
            }
        }
        if(e.isAlphaNumericSpecial)    {
            if(!isAlphaNumericSpecial(v))    {
                errors += n+errormsg[15]+ '<br>';
                errorsa += n+errormsg[15]+'\n';
                e.className=newClass;
                continue;
            }
            else {
                e.className='checkit';
            }
        }
        if(e.isAlphaNumeric_ifNotNull)    {
            if(!isAlphaNumeric_ifNotNull(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;
}


/*
function configureValidation(f,alerttype){
  f.firstname.isAlphaNumeric = true;
  f.lastname.isAlphaNumeric = true;
  f.email.isEmail = true;
  f.phone.isPhoneNumber = true;
  f.birthday.isDate = true;
  f.postalcode.isEmpty = true;
  f.password1.isLengthBetween = [4,255];
  f.password2.isMatch = f.password1.value;
  f.comments.optional = true;
  var preCheck = (!f.infohtml.checked && !f.infocss.checked && !f.infojs.checked) ? errormsg[0] : null;
  return validateForm(f, preCheck, 'required', alerttype);
}

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
isAlphaNumericSpace = true;   // A-Z a-z 0-9 characters & space only
isAlphaNumericSpecial = true;   // A-Z a-z 0-9 space - _ . \' & ( ) only
isAlphaNumeric_ifNotNull = true;   // if not null, 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
defaultValue = false;        // will not check for defaultValue, used if you were updating

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
*/