function isTime(sTime) {
	oReTime = /^(2[0-3][:\-][0-5][0-9]$)|^([0-1]{0,1}[0-9][:\-][0-5][0-9])$/; 
	return oReTime.test(sTime);
}

function isPhone(sPhone) {
	sPhone = sPhone.replace( /[\s\-\(\)\.\]\[]/g, '' );
	oRePhone = /^\+*\d{7,11}(\+\d{2,4})?$/;
	return oRePhone.test(sPhone);
}

function isEmail(sEmail){
	sEmail = sEmail.replace( new RegExp('/\(.*?\)/'), '' );
	oRegExp = /^[A-Za-z0-9][-\w]*(\.[A-Za-z0-9][-\w]*)*@[A-Za-z0-9][-\w]*(\.[A-Za-z0-9][-\w]*)*\.[a-zA-Z]{2,4}$/;
	return oRegExp.test(sEmail);
}