function ExpandCollapse(e)
{
	if (e.style.display == "")
		e.style.display = "none";
	else
		e.style.display = "";
}

function Expand(e)
{
		e.style.display = "";
}

function ExpandCollapseKeyboard(e)
{
	if (event.keyCode == 33) //Page Up collapses
	{
		if (e.style.display == "")
			ExpandCollapse(e);
	}
	else if (event.keyCode == 34) //Page Down Expands
	{
		if (e.style.display == "none")
			ExpandCollapse(e);		
	}
}

function Querystring()
{
// get the query string, ignore the ? at the front.
	var querystring=location.search.substring(1,location.search.length);

// parse out name/value pairs separated via &
	var args = querystring.split('&');

// split out each name = value pair
	for (var i=0;i<args.length;i++)
	{
		var pair = args[i].split('=');

		// Fix broken unescaping
		temp = unescape(pair[0]).split('+');
		temp0 = temp.join(' ');
		
		temp = unescape(pair[1]).split('+');
		temp1 = temp.join(' ');
		
		this[temp0]=temp1;
	}

	this.get=Querystring_get;
}

function Querystring_get(strKey,strDefault)
{
	var value=this[strKey];
	if (value==null){value=strDefault;}
	
	return value;
}