function trim(str)
{
   return str.replace(/^\s*|\s*$/g,"");
}

function getOrdinalSuffix(number) {
	var suffix = '';
	if (Math.floor(number/10) != 1 && number%10 < 4 && number%10 > 0) {
		if (number%10 == 1) {
			suffix = 'st';
		} else if (number%10 == 2) {
			suffix = 'nd';
		} else if (number%10 == 3) {
			suffix = 'rd';
		}
	} else {
		suffix = 'th';
	}
	return suffix;
}