function isValidEMail(text){
	reg = new RegExp("^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)+$");
	return reg.test(text);
}
function isValidPhone(text){
	reg = new RegExp("^[-\\d\\/\\+\\.]{9,}$");
	return reg.test(text);
}
function isValidDate(text){
	reg = new RegExp("^(([0-2]?[0-9])|(3[0-1]))\\/((0?[0-9])|(1[0-2]))\\/([0-9]{4})$");
	return reg.test(text);
}
function isValidHour(text){
	reg = new RegExp("^(([0-1]?[0-9])|(2[0-3])):([0-5]?[0-9])$");
	return reg.test(text);
}