function  secBoard(n)
{
for(i=0;i<secTable.cells.length;i++)
secTable.cells[i].className="ernav";
secTable.cells[n].className="ernava";
}
function  secBoarda()
{
for(i=1;i<secTable.cells.length;i++)
secTable.cells[i].className="ernav";
secTable.cells[0].className="ernava";
}
function  secBoard1(n)
{for(i=0;i<secTablea.cells.length;i++)
secTablea.cells[i].className="ernav";
secTablea.cells[n].className="ernava";
}
function  secBoard1a()
{
for(i=1;i<secTablea.cells.length;i++)
secTablea.cells[i].className="ernav";
secTablea.cells[0].className="ernava";
}
function  secBoard2(n)
{for(i=0;i<secTableb.cells.length;i++)
secTableb.cells[i].className="ernav";
secTableb.cells[n].className="ernava";
}
function  secBoard2a()
{
for(i=1;i<secTableb.cells.length;i++)
secTableb.cells[i].className="ernav";
secTableb.cells[0].className="ernava";
}
function  secBoard3(n)
{
for(i=0;i<secTablec.cells.length;i++)
secTablec.cells[i].className="ernav";
secTablec.cells[n].className="ernava";
}
function  secBoard3a()
{
for(i=1;i<secTablec.cells.length;i++)
secTablec.cells[i].className="ernav";
secTablec.cells[0].className="ernava";
}
function  secBoard4(n)
{
for(i=0;i<secTabled.cells.length;i++)
secTabled.cells[i].className="ernav";
secTabled.cells[n].className="ernava";
}
function  secBoard4a()
{
for(i=1;i<secTabled.cells.length;i++)
secTabled.cells[i].className="ernav";
secTabled.cells[0].className="ernava";
}
function  secBoard5(n)
{
for(i=0;i<secTablee.cells.length;i++)
secTablee.cells[i].className="ernav";
secTablee.cells[n].className="ernava";
}
function  secBoard5a()
{
for(i=0;i<4;i++)
secTablee.cells[i].className="ernav";
secTablee.cells[3].className="ernava";
}