var advSearchOpened = false;
function advSearchPanel(){					
	if (advSearchOpened){
		Effect.BlindUp('panel_advsearch', { duration:0.2, queue: { position: 'end', scope: 'advsearch', limit: 1 } }); 
		$('expand_options').src = "img/advanced_options.gif";
		advSearchOpened = false;
	} else {
		$('panel_advsearch').style.top = '320px';
		$('panel_advsearch').style.display = 'none';			
		Effect.BlindDown('panel_advsearch', { duration:0.2, queue: { position: 'end', scope: 'advsearch', limit: 1 } }); 
		$('expand_options').src = "img/advanced_options_a.gif";
		advSearchOpened = true;
	}
	return false;
}