When scheduling reports via URL, the style group properties are as follows:
http://localhost:8888/jinfonet/runReport.jsp?jrs.cmd=jrs.try_vw&jrs.report=/SampleReports/Banded_Link.cls&jrs.catalog=/SampleReports/SampleReports.cat&jrs.path=/SampleReports/Banded_Link.cls&jrs.result_type=8&jrs.auth_uid=admin&jrs.auth_pwd=admin&jrs.has_style=true&jrs.style_group=Warm<CSS>
http://localhost:8888/jinfonet/runReport.jsp?jrs.cmd=jrs.try_vw&jrs.report=/SampleReports/Banded_Link.cls&jrs.catalog=/SampleReports/SampleReports.cat&jrs.path=/SampleReports/Banded_Link.cls&jrs.result_type=8&jrs.auth_uid=admin&jrs.auth_pwd=admin&jrs.has_style=true&jrs.style_group=Warm.css