Take advantage of the Model inheritance provided by polymodel.PolyModel to
have Club, School, Sponsor, and Organization actually inherit from the Group
Model class, rather than being composed via ReferenceProperties.
Patch by: Todd Larsen
Review by: Pawel Solyga, Sverre Rabbelier, Augie Fackler
Review URL: http://codereviews.googleopensourceprograms.com/606
input.field, select.field {width:200px;}
input.picker {width:179px; margin-left: 5px;}
input.disabled {border-color:#F2F2F2;}
img.picker {vertical-align:text-bottom; cursor:pointer;}
h1 {padding: 0 0 5px 0;}
.panel_wrapper div.current {height:160px;}
#xhtmlxtrasdel .panel_wrapper div.current, #xhtmlxtrasins .panel_wrapper div.current {height: 230px;}
a.browse span {display:block; width:20px; height:20px; background:url('../../../themes/advanced/img/icons.gif') -140px -20px;}
#datetime {width:180px;}