createChb: createChb: creates a check box on the main screen
Description
This function creates a check box on the main screen
Usage
createChb(labTitle = NULL, variableName = NULL, defaultVal = "0")
Arguments
labTitle
A title for the check box
variableName
A name for the variable associated to the check box
defaultVal
Default value (defaults to not selected)
Value
A variable that will be passed to the corresponding OnOk function