function IsValidEmail(Input)
{
	var objRegExp = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/;
	return objRegExp.test(Input);
}

function IsValidRadioGroup(RadioGroup)
{
	for (var i = 0; i < RadioGroup.length; i++)
	{
		if (RadioGroup[i].checked)
			return true;
	}
	return false;
}

function GetSelectedRadioValue(RadioGroup)
{
	for (var i = 0; i < RadioGroup.length; i++)
	{
		if (RadioGroup[i].checked)
			return RadioGroup[i].value;
	}
	return false;
}