function switchMenu(obj)
{
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' )
	{
		el.style.display = 'none';
	}
	else
	{
		el.style.display = '';
	}
}

function $()
{
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++)
	{
		var element = arguments[i];
		if (typeof element == 'string')
		element = document.getElementById(element);
		if (arguments.length == 1)
		return element;
		elements.push(element);
	}
	return elements;
}

function collapseAll(objs)
{
	var i;
	for (i=0;i<objs.length;i++ )
	{
		objs[i].style.display = 'none';
	}
}