function  secbdxw(n)
{
for(i=0;i<secTable1.cells.length;i++)
secTable1.cells[i].className="bdxw2";
secTable1.cells[n].className="bdxw1";
for(i=0;i<mainTable1.tBodies.length;i++)
mainTable1.tBodies[i].style.display="none";
mainTable1.tBodies[n].style.display="block";
}
function  secmlzw(n)
{
for(i=0;i<secTable2.cells.length;i++)
secTable2.cells[i].className="mlzw2";
secTable2.cells[n].className="mlzw1";
for(i=0;i<mainTable2.tBodies.length;i++)
mainTable2.tBodies[i].style.display="none";
mainTable2.tBodies[n].style.display="block";
}
function  seczffw(n)
{
for(i=0;i<secTable3.cells.length;i++)
secTable3.cells[i].className="zffw2";
secTable3.cells[n].className="zffw1";
for(i=0;i<mainTable3.tBodies.length;i++)
mainTable3.tBodies[i].style.display="none";
mainTable3.tBodies[n].style.display="block";
}