var courses=new switchcontent("coursegroup", "p")
courses.setStatus('<font face="Courier New">[<span style="color:#3366FF">&minus;</span>]</font> ', '<font face="Courier New">[<span style="color:#3366FF">+</span>]</font> ')
//courses.setColor('green', 'red')
courses.collapsePrevious(true)
courses.setPersist(false)
courses.init()