Set scroll to jquery mobile popup in android 2.2

I am using jquery mobile popup in my phonegap android app.I need to set the height to the popup and to scroll when the content exceeds in the popup.I have tried some code its working fine in android 4.0 but not working in android 2.2.

<div align="center">
<a href="#popupBasic" data-rel="popup">click here</a>
</div>
<div data-role="popup" id="popupBasic" data-theme="c" data-overlay-theme="c" >
<div align="center">
<a href="#" class="popupclose" onclick ="hidePopUp()">Close Window</a><br/>
</div>
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css:

.ui-popup {
position: relative;
overflow:scroll;
}

Script for setting height:

$( "#popupBasic" ).css( "height","100px");