function IsNumeric(NumberToTest)
{
	return /^-?\d+$/.test(NumberToTest);
}
function IsDecimal(strString)  
{
	var strValidChars = "0123456789.";
	var strChar;
	var blnResult = true;
	if (strString.length == 0) return false;
	for (i = 0; i < strString.length && blnResult == true; i++)
	{
		strChar = strString.charAt(i);
		if (strValidChars.indexOf(strChar) == -1)
		{
			blnResult = false;
		}
	}
	return blnResult;
}