function answer(click)
{
if (click.style.display == "none")
{
click.style.display = "";
}
else
{
click.style.display = "none";
}
}


function answerOpp(click)
{
if (click.style.display == "")
{
click.style.display = "none";
}
else
{
click.style.display = "";
}
}