function expandDIV(whichElement)
{
document.getElementById(whichElement).style.opacity = 0;
document.getElementById(whichElement).style.display = (document.getElementById(whichElement).style.display == "block" ) ? "none" : "block";
}

function blockDIV(whichElement)
{
document.getElementById(whichElement).style.display = "none";
}