CommonIsNumeric Method
            Determines if given item is or can be interpreted as numeric.
            
Namespace: GemstoneAssembly: Gemstone.Common (in Gemstone.Common.dll) Version: 1.0.150 -- Release Build+64e3b411e1abfbd2d4d8a81e850c3909a0ce8731
Gemstone.Common.IsNumeric = function(item);
- item  Object
 - Object to evaluate.
 
Booleantrue if 
item is or can be interpreted as numeric; otherwise, 
false.
 
            If type of 
item is a 
Char or a 
String, then if value can be parsed as a numeric
            value, result will be 
true.