function hide()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}


function Show1()
{
document.getElementById("help1").style.display="block";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}
function Show2()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "block";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}

function Show3()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "block";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}
function Show4()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "block";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}
function Show5()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "block";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}
function Show6()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "block";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}

function Show7()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "block";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";

}
function Show8()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "block";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}

function Show9()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "block";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}
function Show10()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "block";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}
function Show11()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "block";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}

function Show12()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "block";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}

function Show13()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "block";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}

function Show14()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "block";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}

function Show15()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "block";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}

function Show16()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "block";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "none";
}

function Show17()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "block";
document.getElementById("help18").style.display = "none";
}

function Show18()
{
document.getElementById("help1").style.display="none";
document.getElementById("help2").style.display = "none";
document.getElementById("help3").style.display = "none";
document.getElementById("help4").style.display = "none";
document.getElementById("help5").style.display = "none";
document.getElementById("help6").style.display = "none";
document.getElementById("help7").style.display = "none";
document.getElementById("help8").style.display = "none";
document.getElementById("help9").style.display = "none";
document.getElementById("help10").style.display = "none";
document.getElementById("help11").style.display = "none";
document.getElementById("help12").style.display = "none";
document.getElementById("help13").style.display = "none";
document.getElementById("help14").style.display = "none";
document.getElementById("help15").style.display = "none";
document.getElementById("help16").style.display = "none";
document.getElementById("help17").style.display = "none";
document.getElementById("help18").style.display = "block";
}