function toggleWidth() {
	
	if ($('project_graphic').getStyle('width') == '120px') {
		$('project_graphic').tween('width', '340');
		$('arrow').src = "http://www.mmbarn.com/images/circle-reduce.png";
	} else {
		$('project_graphic').tween('width', '120');
		$('arrow').src = "http://www.mmbarn.com/images/circle-expand.png";
	}	
	
}