How do you use the combo box to populate a text box

I am a beginner when it comes to Java Script. I have viewed many different discussions, look at a lot of "help" articles dealing with Acrobat 9 and Java Script, but only to be left confused and dazed. I am hoping someone will be able to tell me how to write a script that will populate a text box that is on my form with the combo box selection's export value...
Thanks

If you want the text box to be read-only, just set it up with the following custom calculate script:
// Set this field value to the value of the combo box
event.value = getField("combo1").value;
but replace "combo1" with the actual name of the combo box field.
If you want something else, post again with more information.

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How do you use the combo box to populate a text box

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