function showdiv1()
{
document.getElementById('submenu1').style.display='block';
}
function hidediv1()
{
document.getElementById('submenu1').style.display='none';
}
function showdiv2()
{
document.getElementById('submenu2').style.display='block';
}
function hidediv2()
{
document.getElementById('submenu2').style.display='none';
}
function showdiv3()
{
document.getElementById('submenu3').style.display='block';
}
function hidediv3()
{
document.getElementById('submenu3').style.display='none';
}
function showdiv4()
{
document.getElementById('submenu4').style.display='block';
}
function hidediv4()
{
document.getElementById('submenu4').style.display='none';
}
function showdiv5()
{
document.getElementById('submenu5').style.display='block';
}
function hidediv5()
{
document.getElementById('submenu5').style.display='none';
}
function showdiv6()
{
document.getElementById('submenu6').style.display='block';
}
function hidediv6()
{
document.getElementById('submenu6').style.display='none';
}
function showdiv7()
{
document.getElementById('submenu7').style.display='block';
}
function hidediv7()
{
document.getElementById('submenu7').style.display='none';
}