function openGallery(gallery){
	$("#parques,#centros,#entidades,#edificios,#escuelas,#iglesias,#calles,#hospitales,#zoologico").slideUp();
	$("#" + gallery).slideDown();
	$(".gallery a[rel^='" + gallery + "']").prettyPhoto({theme:'light_rounded', callback: function(){ redoScroll();} });
}

function doScroll(){
	var height = (typeof(window.innerHeight)!='undefined')?window.innerHeight:document.documentElement.clientHeight;
//	$('#menu_bar').animate({top:($(window).scrollTop())+"px" },{queue: false, duration: 350});  
//	$('#logo_bar').animate({top:($(window).scrollTop())+"px" },{queue: false, duration: 350});  
}

function redoScroll(){
	$(window).scroll(function() { doScroll(); });
}

$(document).ready(function(){
	$(".gallery a[rel^='parques']").prettyPhoto({theme:'light_rounded', callback: function(){ redoScroll();} });
	doScroll();
	redoScroll();
});