function toggleAll(nDocs)
{
    var obj = document.getElementById("globalToggle");
	var label = "Collapse Summary";
    if (obj.innerHTML == "Expand All")
        obj.innerHTML = "Collapse All";
    else
	{
        obj.innerHTML = "Expand All";
		label = "Expand Summary";
	}
    for (i=0; i < nDocs; i++)
        forceToggle(i,label);
}
function toggleThisRow(i)
{
    var tog = document.getElementById("tog" + i);
	var label = "Collapse Summary";
    if (tog.innerHTML == "Collapse Summary")
        label = "Expand Summary";
	forceToggle(i,label);
}
function forceToggle(i,label)
{
    var tog = document.getElementById("tog" + i);
	tog.innerHTML = label;
    var summary = document.getElementById("summary" + i);
    if (label == "Expand Summary")
        summary.className = "collapse";
    else
        summary.className = "expand";
}