How to pass variable form javacript to java BackingBean

Hello,
I am trying to pass variable from Javascript method (which is written in jspx) page to a Java BakingBean.
here is the Javascript code:
<SCRIPT type="text/javascript">
function OnSave() {
alert("The signature you have taken is the following data: " + SigPlus1.SigString);
</SCRIPT>
of course, this method will be called after the use press save button as follow:
<INPUT id="submit1" name="Save" type="submit" value="Save" onclick="OnSave()"/>
As you can see this Javascript will alert the result to the user. Instead I want to pass the object ( SigPlus1) to a Java Bean.
I am using ADF technology with JDveloper 11.1.2.3

here is the answer:
ADF RichClient API - af:serverListener

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Message was edited by:
user168

Thank you for response, Paul.
Have you ever used statspack? or sppurge.sql?
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