reposition bg photo

$j(function(){
	var bgPhoto = $j('#bgphoto');
	$j(window).on('load resize',function(evt){
		if(evt.type=='load'){bgPhoto.css({'top':'50%','left':'50%'})}
		bgPhoto.css('margin-top', -bgPhoto.height()/2); //set Y position
		bgPhoto.css('margin-left', -bgPhoto.width()/2); //set X position
	});
});