<!-- hide from older browsers
function rTrim(value) {
	while ((value.length > 0) && (value.charAt(0) == " "))
		value = value.substr(1, value.length-1);
	return value;
}
function lTrim(value) {
	while ((value.length > 0) && (value.charAt(value.length-1) == " "))
		value = value.substring(0, value.length-1);
	return value;
}
function Trim(value) {
	return rTrim(lTrim(value));
}
function isNumber(value) {
	tv = Trim(value);
	if (tv.length == 0)
		return true;
	else
		return !isNaN(value);
}
function isInteger(value) {
	if (isNumber(value)) {
		if (value.indexOf('.') == -1)
			return true;
		else
			return false;
	}
	else
		return false;
}
//-->