Function: IsEmpty()
Purpose: The IsEmpty function returns a value of true if the referenced variable has not been initialized. Otherwise, it returns false.
Usage: IsEmpty(variable_name)
Where variable_name is the name of the variable you wish to test.
Returns: True if the referenced variable has not been initialized; False otherwise.
Example
 Dim TestEmpty
 TestArray = Array(1,2,3)
 TestInt = Int(1)
 TestDate = "June 10, 2000"
 IsEmpty(TestEmpty) returns True
 IsEmpty(TestArray) returns False
 IsEmpty(TestInt) returns False
 IsEmpty(TestDate) returns False