document.write("<table BORDER COLS=2 WIDTH=\"600\" BGCOLOR=\"\#CCFFFF\" >");
    /*
      draws the rows of the tabel
    */
 for (i=1; i<=NumberOfCourses; i=i+1)
 {
  reference="<a href=\"teaching.html\#"+CourseRef[i]+"\">";
  document.write("<TR><td WIDTH=\"50%\">"+reference+Course[i]+"</a></td>");
  document.write("<td WIDTH=\"50%\">"+CourseTime[i]+"&nbsp; in "+CoursePlace[i]+"</td></tr>");
 }
  if (NumberOfCourses>0)
 { document.write("<tr><td><b>Office hours:&nbsp;</b></td><td>"+OfficeHours+" or by appointment.</td></tr>");}

document.write("</table>");