Number is Even or Page is Even / Odd

/*

Determine if a passed value is even or odd

*/

//

function isEven(value){

//-------------------------------------------------------------------------

//-- I S E V E N

//-------------------------------------------------------------------------

//-- Generic: Yes. Generic JavaScript, works with all versions and is

//-- self contained -- calls nothing.

//-------------------------------------------------------------------------

//-- Purpose: Determeins if a value is even or odd. Was originally used

//-- to see if the number of a page was even (a left hand page) or

//-- odd (a right hand page).

//-------------------------------------------------------------------------

//-- Returns: true if the passed value is considered to be an even

//-- number or false otherwise. Works with all types of values.

//-------------------------------------------------------------------------

//-- Function from: http://archives.hwg.org/hwg-techniques/38CCFF2B.B763AE47@mitre.org

//-- found 2008.08.08. Source not determinable. No copyright listed.

//-------------------------------------------------------------------------

//-- Modified by: electronic publishing support

//-------------------------------------------------------------------------

//-- % is the Modulus function.

//-- %2 == 0 means divide by 2 and see if the remainder is 0

try {

return ( value%2 == 0 ) ;

}

catch (anError) {

return false ;

}

}