closedClassName = 'control_bar';
openClassName = 'control_bar_open';

closedImage = "images/down.gif";
openImage = "images/up.gif";

function toggleReview(elem, div_id, img_id){

//	$(div_id).toggle();
	Effect.toggle(div_id, 'blind');

	if(elem.className==closedClassName){
		elem.className=openClassName;
		$(img_id).src = openImage;
	}	
	else{
		elem.className=closedClassName;
		$(img_id).src = closedImage;
	}	

}