var hideRE=/minus/gi;
var showRE=/plus/gi;

function toggleSectionVisibility(name)
{
	var obj = document.getElementById(name);
	var ctl = document.getElementById(name + "_img");

	if (obj.style.display == "none") {
		obj.style.display = "list-item";
		ctl.src = ctl.src.replace(showRE, "minus");
	} else /*if (obj.style.display == "list-item")*/ {
		obj.style.display = "none";
		ctl.src = ctl.src.replace(hideRE, "plus");
	}
	return false;
}

function hideAllSections()
{
	var objs = document.getElementsByName('ul');
	for (obj in objs) {
		hideSectionDiv(obj);
	}
}

function hideSectionDiv(obj)
{
	var name = obj.id
	var ctl = document.getElementById(name + "_img");
	
	obj.style.display = "none";

	return false;
}

function showSection(name)
{
	var obj = document.getElementById(name);
	obj.style.display = "inline";
	return false;
}