thnx, but
<form id="frm1" ....>
<div ... class="easyui-layout">
<div data-options="region: ... >
<input id="iNum" form="frm1" class="easyui-numberbox" data-options="required:true">
</div>
<div data-options="region: ... >
<input id="iText" form="frm1" class="easyui-textbox" data-options="required:true">
</div>
</div>
</form>
didn't draw normally: inner <div ... class="panel-body" ...> have calculated style width: 0px
when "easyui-layout" outside <form> all draws good