// JavaScript Document
function secBoard(n)
{
 for(i=0;i<secTable.cells.length;i++)
  secTable.cells[i].className="sec2";
 secTable.cells[n].className="sec1";
 document.getElementById('td_1').background = "images/0"+n+".jpg";
  for(i=0;i<mainTable.tBodies.length;i++)
  mainTable.tBodies[i].style.display="none";
 mainTable.tBodies[n].style.display="block";
}

function secBoard1(n)
{
 for(i=0;i<secTable1.cells.length;i++)
  secTable1.cells[i].className="sec2";
 secTable1.cells[n].className="sec1";
 document.getElementById('td_0').background = "images/0"+n+".jpg";
 
 for(i=0;i<mainTable1.tBodies.length;i++)
  mainTable1.tBodies[i].style.display="none";
 mainTable1.tBodies[n].style.display="block";
}