JavaScript code:

/* ##########################
 * Function for Type Checking
 * ##########################
 */
/**
 * Given a value, tells you whether or not it is an integer. typeof and instanceof only report
 * that a variable is a number or not, but does not distinguish between integers and decimals.
 * @param possibleInt: A value to check.
 * @param strictEquality: If true, will see if the variable is treated as an integer by
 * the implicit type conversion
 * If false, will check to see if the variable *is* of type integer
 * @param Radix: The assumed radix of the possible integer to compare. If not provided base 10
 * is assumed.
 */
function isInteger(possibleInt, strictEquality, radix)
{
    if(radix == null)
    {
        radix = 10;
    }
    var returnValue = false;
    if(strictEquality)
    {
        if(possibleInt === parseInt(possibleInt, radix))
        {
            returnValue = true;
        }
    }
    else
    {
        if(possibleInt == parseInt(possibleInt, radix))
        {
            returnValue = true;
        }
    }
    return returnValue;
}