Text input that deselectionnates itself (help please! =)

[FONT=&quot]Hello everybody![/FONT]
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[FONT=&quot]I’ve got a little problem that drives me crazy![/FONT]
[FONT=&quot]I don’t know what’s happening…[/FONT]
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[FONT=&quot]I’ve created a form in flash using regular textfields.[/FONT]
[FONT=&quot]Those textfields are on a clip and I declare them this way.[/FONT]
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[FONT=Symbol]·[/FONT][FONT=&quot] import mx.controls.TextInput; [/FONT]
[FONT=Symbol]·[/FONT][FONT=&quot] var firstName:TextInput = this.firstName;[/FONT]
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[FONT=&quot]The clip containing the form arrives on the stage through a tween which is created with the FuseKIT.[/FONT]
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[FONT=&quot]So, when I begin typing text in the textfields, it works 50% of the time…. The remaing time, the cursor goes off the textfield as soon I begin to type a letter, result: I can only type a letter, then reselectionnate the textfield, then type a second letter, then reselectionnate the textfield… etc.[/FONT]
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[FONT=&quot]I don,t know what’s happening and my deadline is tight…[/FONT]
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[FONT=&quot]Do you have any clue of what’s happening?[/FONT]
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[FONT=&quot]Thank you very very much for your help![/FONT]