var do_scroll_panels = true;

$(document).ready(
	function(){
		
		// stuff for the TAL new front page - maybe move to own script
		$('div.green').height(327);
		
		$('a.change_panel').click( hidePanel );	
		
//		$('div.green:visible').hide();
//		$('#green' + Math.floor(Math.random()*4+1)).show();
		
		setInterval(doScrollPanels, 11000);
	}
);


function hidePanel() {
	
	do_scroll_panels = false;
	var panel = $(this).attr('href');
	
	//$('div.green:visible').animate( { paddingRight : 2000 }, 1000);
	$('div.green:visible').fadeOut(500, function () { showPanel(panel); });
	
	return false;
}

function showPanel(panel) {
	
	// ensure all greens are hidden before fading in (prevents race conditions)
	$('div.green').hide();
	
	if ('#green4' == panel) {
		$('#green4').fadeIn();
	}
	else if ('#green3' == panel) {
		$('#green3').fadeIn();
	}
	else if ('#green2' == panel) {
		$('#green2').fadeIn();
	}
	else {
		$('#green1').fadeIn();
	}
}


function doScrollPanels() {
	if (do_scroll_panels) {
		var green_id = $('div.green:visible').attr('id');
		var new_green_id;
		if ('green1' == green_id) {
			new_green_id = 'green2';
		}
		else if ('green2' == green_id) {
			new_green_id = 'green3';
		}
		else if ('green3' == green_id) {
			new_green_id = 'green4';
		}
		else {
			new_green_id = 'green1';
		}
		$('div.green:visible').fadeOut(1000, function () { showPanel('#' + new_green_id); });
	}
}