var tabs = {
	'#trigger-item-summary' : function (element)
	{
		element.onclick = function ()
		{
			document.getElementById('item-summary').className = '';
			document.getElementById('item-contents').className = 'hide';

			document.getElementById('trigger-item-summary').parentNode.className = 'hi';
			document.getElementById('trigger-item-contents').parentNode.className = '';

			return false;
		}
	},
	'#trigger-item-contents' : function (element)
	{
		element.onclick = function ()
		{
			document.getElementById('item-summary').className = 'hide';
			document.getElementById('item-contents').className = '';

			document.getElementById('trigger-item-summary').parentNode.className = '';
			document.getElementById('trigger-item-contents').parentNode.className = 'hi';

			return false;
		}
	}
}

function on_load ()
{
	document.getElementById('item-summary').className = '';
	document.getElementById('item-contents').className = 'hide';

	document.getElementById('trigger-item-summary').parentNode.className = 'hi';
}

Behaviour.register(tabs);
Behaviour.addLoadEvent(function() {on_load()});