/**************************************************************************

*                                                                         *

*   VALIDATE.JS                                                           *

*                                                                         *

*   Description: JavaSscript functions for field level validation.        *

*                                                                         *

**************************************************************************/



/**************************************************************************



    Function:    isFieldControlKey

    Returns:     boolean

    Parameters:  keyCode - The event key code.



    Description: Determines if the given key code is a field control

                 key.



**************************************************************************/



function isFieldControlKey( keyCode )

{

    return( ( keyCode == 8 )  ||  /* backspace */

            ( keyCode == 9 )  ||  /* tab */

            ( keyCode == 13 ) ||  /* enter */

            ( keyCode == 45 ) ||  /* insert */

            ( keyCode == 46 ) ||  /* delete */

            ( keyCode == 35 ) ||  /* end */

            ( keyCode == 36 ) ||  /* home */

            ( keyCode == 37 ) ||  /* left arrow */

            ( keyCode == 39 ) ||  /* right arrow */

            ( keyCode == 16 ) );  /* shift */

}



/**************************************************************************



    Function:    isAlphaKey

    Returns:     boolean

    Parameters:  keyCode - The event key code.



    Description: Determines if the given key code is an alpha [ A-Z, a-z ]

                 key.



**************************************************************************/



function isAlphaKey( keyCode )

{

    return ( ( ( keyCode >= 65 ) && ( keyCode <= 90 ) ) ||   /* Upper case A-Z */

             ( ( keyCode >= 97 ) && ( keyCode <= 122 ) ) );  /* Lower case a-z */

}



/**************************************************************************



    Function:    isNumericKey

    Returns:     boolean

    Parameters:  keyCode - The event key code.



    Description: Determines if the given key code is a numeric [ 0-9 ]

                 key.



**************************************************************************/



function isNumericKey( keyCode )

{

    return ( ( keyCode >= 48 ) && ( keyCode <= 57 ) ||

             ( keyCode >= 96 ) && ( keyCode <= 105 ) );

}



/**************************************************************************



    Function:    validateAlphaNumericKeyDown

    Returns:     void

    Parameters:  event - The key event.



    Description: Allows entry of alphnumeric characters only.



**************************************************************************/



function validateAlphaNumericKeyDown( event )

{

    var key = event.keyCode;



    if(!( isAlphaKey( key ) || ( isNumericKey( key ) && ( event.shiftKey == false ) ) || 

                          isFieldControlKey( key ) ))

                          {

       		                   event.returnValue = false;

							   if( key != 27 && key != 32 && key != 17 && key != 20 && key != 18 && key != 91 && key != 38 && key != 40 && key != 144 && key != 19 && key != 33 && key != 34 )
							  {
								alert("Your password may not contain characters other than letters or numbers.");
							  }

                          }

}



/**************************************************************************



    Function:    validateExtendedAlphaNumericKeyDown

    Returns:     void

    Parameters:  event - The key event.



    Description: Allows entry of alphnumeric characters plus space, dash 

                 and asterisk characters only.



**************************************************************************/



function validateExtendedAlphaNumericKeyDown( event )

{

    var key = event.keyCode;



     if ( !( ( key == 32 ) ||                                             		/* space    */

                          ( key == 189 ) ||                                            /* dash     */

                          ( ( key == 56 ) && ( event.shiftKey == true ) ) ||           /* asterisk */

                          isAlphaKey( key ) || 

                          ( isNumericKey( key ) && ( event.shiftKey == false ) ) || 

                          isFieldControlKey( key ) ))

                          {

                          	event.returnValue = false;

                          }

}


/**************************************************************************



    Function:    validateLoginNumericKeyDown

    Returns:     void

    Parameters:  event - The key event.



    Description: Allows entry of all characters except space.



**************************************************************************/



function validateLoginNumericKeyDown( event )

{

    var key = event.keyCode;



     if ( ( key == 32 )  )

                          {

                          	event.returnValue = false;

                          }

}
            

/**************************************************************************



    Function:    validateEMailKeyDown

    Returns:     void

    Parameters:  event - The key event.



    Description: Allows entry of alphnumeric characters plus period , dash,

                 underscore and at sign characters only.



**************************************************************************/



function validateEMailKeyDown( event )

{

    var key = event.keyCode;



    if (!( isAlphaKey( key ) || ( isNumericKey( key ) && ( event.shiftKey == false ) ) || 

                        ( key == 50 ) ||    /* @ sign            */

                        ( key == 189 ) ||   /* dash & underscore */

                        ( key == 190 ) ||   /* period            */

                        isFieldControlKey( key ) ))

                        {

    				event.returnValue = false;                    

                        }

}

                  

/**************************************************************************



    Function:    validateZipCodeKeyDown

    Returns:     void

    Parameters:  event - The key event.



    Description: Allows entry of numeric characters plus dash only.



**************************************************************************/



function validateZipCodeKeyDown( event, text )

{

    var key = event.keyCode;

    var iTextLength = text.length;



    if( iTextLength == 5 )

    		{

        		if (!( ( ( key == 189 ) && ( event.shiftKey == false ) ) ||   /* dash */

                              isFieldControlKey( key ) ))

                              {

                              		event.returnValue = false;

                              }

                }

    else if( ( iTextLength != 5 ) && ( iTextLength < 10 ) )

    		{

        		if (!( ( isNumericKey( key ) && ( event.shiftKey == false ) ) || isFieldControlKey( key ) ))

        		{

        			event.returnValue = false;

        		}

        	}

    else if ( !(isFieldControlKey( key )))

    		{

    		        event.returnValue = false;

    		}

}

                  

/**************************************************************************



    Function:    validateNumericKeyDown

    Returns:     void

    Parameters:  event - The key event.



    Description: Allows entry of numeric characters only.



**************************************************************************/



function validateNumericKeyDown( event )

{

    var key = event.keyCode;



    if (!( ( isNumericKey( key ) && ( event.shiftKey == false ) ) || 

                          isFieldControlKey( key ) ))

                          {

    				event.returnValue = false;                      

                          }

}



/**************************************************************************



    Function:    validateExtendedNumericKeyDown

    Returns:     void

    Parameters:  event - The key event.



    Description: Allows entry of numeric characters and decimal point only.



**************************************************************************/



function validateExtendedNumericKeyDown( event )

{

    var key = event.keyCode;



    if (!( ( isNumericKey( key ) && ( event.shiftKey == false ) ) || 

                          ( key == 190 ) || ( key == 110 )|| isFieldControlKey( key ) ))

                          {

    				event.returnValue = false;                      

                          }

}



/**************************************************************************



    Function:    validateAlphabeticEntry

    Returns:     boolean

    Parameters:  szValue - The entry string.

                 iLength - The maximum length of the entry

                 bEnforceSize - The length of the entry must be equal to

                                the maximum length.



    Description: Validates the entry of an alphabetic field.



**************************************************************************/



function validateAlphabeticEntry( szValue, iLength, bEnforceSize )

{

    var oValue = new String( szValue );

    var bResult = true;



    if( bEnforceSize )

        bResult = ( oValue.length == iLength );

    else

        bResult = ( ( oValue.length > 0 ) && ( oValue.length <= iLength ) );



    if( bResult )

    {

        var iIndex = 0;

        var cCharacter = 0;



        for( iIndex = 0; bResult && ( iIndex < oValue.length ); iIndex++ )

        {

            cCharacter = oValue.charCodeAt( iIndex );

            bResult = isAlphaKey( cCharacter );

        }

    }



    return bResult;

}



/**************************************************************************



    Function:    validateAlphaNumericEntry

    Returns:     boolean

    Parameters:  szValue - The entry string.

                 iLength - The maximum length of the entry

                 bEnforceSize - The length of the entry must be equal to

                                the maximum length.



    Description: Validates the entry of an alpha-numeric field.



**************************************************************************/



function validateAlphaNumericEntry( szValue, iLength, bEnforceSize )

{

    var oValue = new String( szValue );

    var bResult = true;



    if( bEnforceSize )

        bResult = ( oValue.length == iLength );

    else

        bResult = ( ( oValue.length > 0 ) && ( oValue.length <= iLength ) );



    if( bResult )

    {

        var iIndex = 0;

        var cCharacter = 0;



        for( iIndex = 0; bResult && ( iIndex < oValue.length ); iIndex++ )

        {

            cCharacter = oValue.charCodeAt( iIndex );

            bResult = ( isAlphaKey( cCharacter ) || isNumericKey( cCharacter ) );

        }

    }

    return bResult;

}


/**************************************************************************

    Function:    validatePasswordEntry
    Returns:     boolean
    Parameters:  szValue - The entry string.
                 minLength - The minimum length of the entry
                 maxLength - The length of the entry must be equal to
                                the maximum length.

    Description: Validates the entry of an alpha-numeric field.

**************************************************************************/

function validatePasswordEntry( szValue, minLength, maxLength )
{
    var oValue = new String( szValue );
    var bResult = true;

    bResult = ( ( oValue.length > 0 ) && ( oValue.length >= minLength ) && ( oValue.length <= maxLength ) );

    if( bResult )
    {
        var iIndex = 0;
        var cCharacter = 0;

        for( iIndex = 0; bResult && ( iIndex < oValue.length ); iIndex++ )
        {
            cCharacter = oValue.charCodeAt( iIndex );
            bResult = ( isAlphaKey( cCharacter ) || isNumericKey( cCharacter ) );
        }
    }

    return bResult;
}



/**************************************************************************



    Function:    validateNumericEntry

    Returns:     boolean

    Parameters:  szValue - The entry string.

                 iLength - The maximum length of the entry

                 bEnforceSize - The length of the entry must be equal to

                                the maximum length.



    Description: Validates the entry of a numeric field.



**************************************************************************/



function validateNumericEntry( szValue, iLength, bEnforceSize )

{

    var iValue = parseInt( szValue );

    var bResult = false;



    if( !isNaN( iValue ) )

    {

        if( bEnforceSize )

            bResult = ( szValue.length == iLength );

        else

            bResult = ( ( szValue.length > 0 ) && ( szValue.length <= iLength ) );

    }



    return bResult;

}



/**************************************************************************



    Function:    validateAccountNumberEntry

    Returns:     boolean

    Parameters:  value - The account number entry.



    Description: Validates the entry of an account number field.



**************************************************************************/



function validateAccountNumberEntry( szValue )

{

    return validateNumericEntry( szValue, 8, true );

}



/**************************************************************************



    Function:    validateMobileNumberEntry

    Returns:     boolean

    Parameters:  value - The mobile number entry.



    Description: Validates the entry of an mobile number field.



**************************************************************************/



function validateMobileNumberEntry( szValue )

{

    return validateNumericEntry( szValue, 10, true );

}



/**************************************************************************



    Function:    validateNPA

    Returns:     boolean

    Parameters:  value - The NPA entry.



    Description: Validates the entry of an NPA field.



**************************************************************************/



function validateNPA( szValue )

{

    return validateNumericEntry( szValue, 3, true );

}



/**************************************************************************



    Function:    validateNXX

    Returns:     boolean

    Parameters:  value - The NXX entry.



    Description: Validates the entry of an NXX field.



**************************************************************************/



function validateNXX( szValue )

{

    return validateNumericEntry( szValue, 3, true );

}



/**************************************************************************



    Function:    validateLineNumber

    Returns:     boolean

    Parameters:  value - The line number entry.



    Description: Validates the entry of a line number field.



**************************************************************************/



function validateLineNumber( szValue )

{

    return validateNumericEntry( szValue, 4, true );

}



/**************************************************************************



    Function:    validateDollar

    Returns:     boolean

    Parameters:  value - The dollar entry.



    Description: Validates the entry of an dollar ID field.



**************************************************************************/



function validateDollar( value )

{

    var bResult = false;

    if( value.length > 0 )

    {

        var oValue = new String( value );

        var iDecimalPoint = oValue.indexOf( '.' );

		if(iDecimalPoint == -1)

		{

		    var iBase = parseInt( oValue);

		    if(iBase > 0)

		    {

		    	bResult = ( !isNaN( iBase ));

		    }

		}       

        else if( iDecimalPoint != oValue.length - 1 )

        {

            var szMantissa = oValue.substr( iDecimalPoint + 1 );

            var iBase = parseInt( oValue.substr( 0, iDecimalPoint ) );

            if( iBase != 0 || (parseInt(szMantissa) != 0 && szMantissa.length == 2 ))

            {

                var iMantissa = parseInt( szMantissa );

                bResult = ( !isNaN( iBase ) && !isNaN( iMantissa ) );

            }

        }

    }

    return bResult;

}



/**************************************************************************



    Function:    validateZipCode

    Returns:     boolean

    Parameters:  value - The zip code entry.



    Description: Validates the entry of an zip code field.



**************************************************************************/



function validateZipCode( value )

{

    var bResult = false;

	var sz5DigitZipCode = /^\d{5}$/;

	var sz9DigitZipCode = /^\d{5}-\d{4}$/;



    if( value.length > 0 )

	    bResult = ( sz5DigitZipCode.test( value ) || sz9DigitZipCode.test( value ) );



    return bResult;

}



/**************************************************************************



    Function:    validateCingularID

    Returns:     boolean

    Parameters:  value - The ID entry.



    Description: Validates the entry of an Cingular ID field.



**************************************************************************/



function validateCingularID( value )

{

    var oValue = new String( value );

    var iLength = oValue.length;

    var bResult = true;



    if( ( bResult = ( iLength >= 3 ) && ( iLength <= 30 ) ) == true  )

    {

        var oPrefix = oValue.substring( 0, 1 );

        var iIndex = 0;

        var cCharacter = 0;



        for( iIndex = 0; bResult && ( iIndex < oPrefix.length ); iIndex++ )

        {

            cCharacter = oPrefix.charCodeAt( iIndex );

            bResult = isAlphaKey( cCharacter );

        }



        if( bResult )

        {

            if( oValue.length > 3 )

            {

                var oSuffix = oValue.substring( 1 );



                for( iIndex = 0; bResult && ( iIndex < oSuffix.length ); iIndex++ )

                {

                    cCharacter = oSuffix.charCodeAt( iIndex );

                    bResult = ( isAlphaKey( cCharacter ) || isNumericKey( cCharacter ) );

                }

            }

        }

    }



    return bResult;

}



/**************************************************************************



    Function:    validateBankRoutingNumber

    Returns:     boolean

    Parameters:  value - The routing number entry.



    Description: Validates the entry of a bank routing number.



**************************************************************************/



function validateBankRoutingNumber( value )

{

    var bResult = false;

    var iIndex = 0;

    var iTotal = 0;

    var szBuffer = "";

    var cElement = 0;



    /* Remove any non-numeric characters...  */



    for( iIndex = 0; iIndex < value.length; iIndex++ )

    {

        cElement = parseInt( value.charAt( iIndex ), 10 );



        if( ( cElement >= 0 ) && ( cElement <= 9 ) )

            szBuffer = szBuffer + cElement;

    }



    /*  The length must be 9 digits...  */



    if( szBuffer.length == 9 )

    {

        /*  Calulate the checksum...  */



        for( iIndex = 0; iIndex < szBuffer.length; iIndex += 3 )

        {

            iTotal += ( ( parseInt( szBuffer.charAt( iIndex ), 10 ) * 3 ) + 

                        ( parseInt( szBuffer.charAt( iIndex + 1 ), 10 ) * 7 ) +

                        ( parseInt( szBuffer.charAt( iIndex + 2 ), 10 ) ) );

        }



        /*  The checksum must not be zero and must be an even multiple of ten...  */



        if( ( iTotal != 0 ) && ( ( iTotal % 10 ) == 0 ) )

            bResult = true;

    }



    return bResult;

}



/**************************************************************************/



function validateAddressEntry( szValue, iLength, bEnforceSize )

{

    var oValue = new String( szValue );

    var bResult = true;



    if( bEnforceSize )

        bResult = ( oValue.length == iLength );

    else

        bResult = ( ( oValue.length > 0 ) && ( oValue.length <= iLength ) );



    if( bResult )

    {

        var iIndex = 0;

        var cCharacter = 0;



        for( iIndex = 0; bResult && ( iIndex < oValue.length ); iIndex++ )

        {

            cCharacter = oValue.charCodeAt( iIndex );

            bResult = ( isAlphaKey( cCharacter ) || isNumericKey( cCharacter ) || (cCharacter == 32));

            if (bResult == false)

            {

		return bResult;

            }

        }

    }

    return bResult;

}


/**************************************************************************



    Function:    validateCVVCIDCode

    Returns:     boolean

    Parameters:  value - The CVV/CID code entry.



    Description: Validates the entry of a cvv/cid code field other than American Express.



**************************************************************************/



function validateCVVCode( value )

{

    var bResult = false;

	var sz3DigitZipCode = /^\d{3}$/;


    if( value.length > 0 )

	    bResult = sz3DigitZipCode.test( value );



    return bResult;

}


/**************************************************************************



    Function:    validateAMEXCVVCode

    Returns:     boolean

    Parameters:  value - The CVV/CID code entry.



    Description: Validates the entry of aN American Express cvv/cid code field.



**************************************************************************/



function validateAMEXCVVCode( value )

{

    var bResult = false;


	var sz4DigitZipCode = /^\d{4}$/;


    if( value.length > 0 )

	    bResult = sz4DigitZipCode.test( value );



    return bResult;

}

/**************************************************************************

    Function:    validateAmount
    Returns:     boolean
    Parameters:  value - The Payment amount entry.

    Description: Validates the entry of an Payment amount field

**************************************************************************/

function validateAmount( value )
{
    var bResult = false;
    if( value.length > 0 )
    {
        var oValue = new String( value );
        var iDecimalPoint = oValue.indexOf( '.' );
		if(iDecimalPoint == -1)
		{
		    if(oValue.length > 0)
		    {
		    	bResult = ( !isNaN( oValue ));
		    }
		}       
        else if( iDecimalPoint != oValue.length - 1 )
        {
            var szMantissa = oValue.substr( iDecimalPoint + 1 );
            if(szMantissa.length <= 0)
            {
            	szMantissa = 0;
            }
            var szBase = oValue.substr( 0, iDecimalPoint );
            if(szBase.length <= 0)
            {
            	szBase = 0;
            }
			if( parseInt(szBase, 10) >= 0 || (parseInt(szMantissa, 10) >= 0 && szMantissa.length == 2 ))
            {
				var iMantissa = parseInt( szMantissa, 10 );
                var iBase = parseInt( szBase, 10 );
                if( iBase == 0 || ( iBase == 0 && iMantissa == 0 ) )
                {
					bResult = false;
                }
				else if( iBase > 0 && iMantissa == 0 )
				{
					bResult = true;
				}
                else
                {
					bResult = ( !isNaN( iBase ) && !isNaN( iMantissa ) );
                }
            }
        }
    }
    return bResult;
}