function expand(linkId, divId)
{
	if ($(linkId).style.background == 'transparent url(/images/bullet_arrow_up.gif) no-repeat scroll left center' || $(linkId).style.background == 'url(/images/bullet_arrow_up.gif) no-repeat left center' || $(linkId).style.background == 'url(http://covertshot.com/images/bullet_arrow_up.gif) no-repeat scroll 0% 50% transparent' || $(linkId).style.background == 'url(http://www.covertshot.com/images/bullet_arrow_up.gif) no-repeat scroll 0% 50% transparent')
	{
		$(linkId).style.background = 'transparent url(/images/bullet_arrow_down.gif) no-repeat scroll left center';
		Effect.BlindUp(divId);
	}
	else
	{
		$(linkId).style.background = 'transparent url(/images/bullet_arrow_up.gif) no-repeat scroll left center';
		Effect.BlindDown(divId);
	}
}

(function() 
{
	function init () 
	{
		// initiate external links
		$$('a[rel~=external]').each(external_link);
	}
	
	function external_link (a) 
	{
			a.observe("click", function(event) 
			{
				window.open(a.href);
				event.preventDefault();
			});
	}
	
	document.observe("dom:loaded", init);
	
})();