// JavaScript Document
     function secBoard(n)
  {
    for(i=0;i<secTable.cells.length;i++)
    secTable.cells[i].className="sec1";
    secTable.cells[n].className="sec2";
    for(i=0;i<mainTable.tBodies.length;i++)
    mainTable.tBodies[i].style.display="none";
    mainTable.tBodies[n].style.display="block";
  }
  
     function secBoarda(n)
  {
    for(i=0;i<secTablea.cells.length;i++)
    secTablea.cells[i].className="sec1";
    secTablea.cells[n].className="sec2";
    for(i=0;i<mainTablea.tBodies.length;i++)
    mainTablea.tBodies[i].style.display="none";
    mainTablea.tBodies[n].style.display="block";
  }