function ValidateNumbersOnly(e)
{
	var keynum
	var keychar
	var numcheck

	if(window.event) // IE
	{
		keynum = e.keyCode
	}
	else if(e.which) // Netscape/Firefox/Opera
	{
		keynum = e.which
	}
	
	if (keynum != 8 && keynum > 31 && (keynum < 48 || keynum > 57) &&
		!(keynum >= 35 && keynum <= 40 || keynum == 46))
	{
		return false 
	}
	
	if(keynum == 13)
		return false
	
	return true
}