How to get loaded popup div id in popup

[pravin]

I am loading one html file as a popup in easyui window. I want the loaded popup div id in popup to get the data. The code like this.

<div id="abcde" class="easyui-window" title="Notes" draggable="false"/>

$('#abcde').window('open').window('refresh', 'notes.html').data({field1:val1,field2:val2});