// tabPanel.setWidth(iCing.widthMenu+"px"); // free is more elegant.
tabPanel.setAnimationEnabled(true);
verticalPanel.add(tabPanel);
final FlexTable cingTable = new FlexTable();
cingTable.setTitle(c.CING());
tabPanel.add(cingTable, c.CING(), true);
final FlexTable wiTable = new FlexTable();
wiTable.setTitle("What If");
tabPanel.add(wiTable, "What If", true);