function show1()
{
document.getElementById('chgya').className='bg1';
document.getElementById('tablecon1').style.display='';
document.getElementById('tablecon2').style.display='none';
document.getElementById('tablecon3').style.display='none';
}
function show2()
{
document.getElementById('chgya').className='bg2';
document.getElementById('tablecon2').style.display='';
document.getElementById('tablecon1').style.display='none';
document.getElementById('tablecon3').style.display='none';
}
function show5()
{
document.getElementById('chgya').className='bg3';
document.getElementById('tablecon1').style.display='none';
document.getElementById('tablecon2').style.display='none';
document.getElementById('tablecon3').style.display='';
}
function show3()
{
document.getElementById('chgde').className='debg1';
document.getElementById('dtablecon1').style.display='';
document.getElementById('dtablecon2').style.display='none';
}
function show4()
{
document.getElementById('chgde').className='debg2';
document.getElementById('dtablecon2').style.display='';
document.getElementById('dtablecon1').style.display='none';
}
// JavaScript Document