// general purpose function to see if a suspected numeric input

// is a positive integer

function isPosInteger(inputVal) {

	inputStr = inputVal.toString()

	for (var i = 0; i < inputStr.length; i++) {

		var oneChar = inputStr.charAt(i)

		if (oneChar < "0" || oneChar > "9") {

			return false

		}

	}

	return true

}