function CheckDecimal(sText)
{
 	var ValidChars = "0123456789.";
	var IsNumber=true;
	var Char;

	for (i = 0; i < sText.length && IsNumber == true; i++) 
	{ 
		Char = sText.charAt(i); 
		if( ValidChars.indexOf(Char) == -1 ) 
			IsNumber = false;
	}

	return IsNumber;
}

function CheckEmail(v)
{
	var filter=/^.+@.+\..{2,3}$/;
	return filter.test(v);
}

function CheckInt(v)
{
	var filter=/^\d+$/;
	return filter.test(v);
}