JavaScript Inter-Field Validation - Example 1

In this example the Telephone field is checked for 7 numbers when Local is selected and for 10 numbers when Long Distance is selected. There is also a dependency between the two checkboxes so that only one can be selected.

Local
Long Distance 		Telephone:

Press when done or Press to clear this form.

Source: View or Save this HTML file to obtain the scripts used to do this validation. The scripts are part of the file.