var closeup_image = "";

function showCloseup(closeup){
	Element.show(closeup);
	closeup_image = closeup;
	Element.show('back_to_seating');
	Element.hide('chartwrapper')
}

function back_to_seating(){
	Element.show('chartwrapper');
	Element.hide('back_to_seating');
	Element.hide(closeup_image);
	closeup_image = "";
}