function show_figs(corename)
{
    var smallpic = "tn_" + corename;
document.getElementById(corename).style.display = "block";
document.getElementById(smallpic).style.display = "none";
}

function hide_figs(corename)
{
    var smallpic = "tn_" + corename;
document.getElementById(smallpic).style.display = "block";
document.getElementById(corename).style.display = "none";
}

function largeTable(tableNum, largerLink, smallerLink)
{
document.getElementById(tableNum).style.width="600px";
//document.getElementById(tableNum).style.border="2px solid black";
document.getElementById(tableNum).style.fontSize="10px";
document.getElementById(tableNum).style.padding="8px";
document.getElementById(tableNum).caption.className="largeCaption";
document.getElementById(largerLink).style.display="none";
document.getElementById(smallerLink).style.display="inline";
//document.getElementById('main').style.width="738px";
//document.getElementById('wrapper').style.width="1000px";
}

function smallTable(tableNum, largerLink, smallerLink)
{
history.go(0);
}

function showmenu(menudiv) {
    var navdiv = "nav_" + menudiv;
    var navsymbol = "navsym" + menudiv;
    var navstyle = document.getElementById(navdiv).style.display;
    var navsymstyle = document.getElementById(navsymbol).innerHTML;

    if (navstyle == "none") {
        document.getElementById(navdiv).style.display = "block";
        document.getElementById(navsymbol).innerHTML = "[-]";
    }
    else if (navstyle == "block") {
        document.getElementById(navdiv).style.display = "none";
        document.getElementById(navsymbol).innerHTML = "[+]";
    }
}