ObjectInputStream ois = new ObjectInputStream(
new ByteArrayInputStream( getPrototypeChart() ) );
Chart newchart= (Chart) ois.readObject();
newchart.setWorkBook(this.getWorkBook());
if (this.getIsExcel2007())
newchart= new OOXMLChart(newchart, this);
mybook.addPreChart();
mybook.addChart(newchart, name, wsh.getSheet());
/* add font recs if nec: for the default chart:
default chart text fonts are # 5 & 6
title # 7