function toggleMoreInfo(whichLayer)
{
    if (document.getElementById)
    {
            // this is the way the standards work
            var style2 = document.getElementById(whichLayer).style;
            style2.display = style2.display == "block" ? "none" : "block";
    }
    else if (document.all)
    {
            // this is the way old msie versions work
            var style2 = document.all[whichLayer].style;
            style2.display = style2.display == "block" ? "":"block";
    }
    else if (document.layers)
    {
            // this is the way nn4 works
            var style2 = document.layers[whichLayer].style;
            style2.display = style2.display == "block" ? "":"block";
    }
}

function hideMoreInfo()
{

    e = document.getElementsByName("moreinfo")
    for(var i = 0; i < e.length; i++)
    {
        e[i].style.display = "none";
    }
}

window.onload = hideMoreInfo;