var map;
var lat=new Array();
var lng=new Array();
var html1=new Array();
var html2=new Array();
var tab1=new Array();
var tab2=new Array();
var url=new Array();
var marker=new Array();

function amaga_div()
{
	 document.getElementById("background").style.display = "none";
	 document.getElementById("div_chapters").style.display = "none";
	 document.getElementById("close_div").style.display = "none";
}

function mostra_div()
{
	document.getElementById("background").style.display = "block";
	document.getElementById("close_div").style.top=Math.round(100+document.documentElement.scrollTop)+'px';
	document.getElementById("close_div").style.display = "block";
	document.getElementById("div_chapters").style.display = "block";
}