function abrirJanela(url, nome, larg, alt, scroll) {
	var left = 0, top = 0;
	if (screen) {
		left = screen.width/2 - larg/2;
		top = screen.height/2 - alt/2;
	}
	
	var wnd = window.open(url, nome, "toolbar=0,status=0,location=0,directories=0,menubar=0,scrollbars=" + (scroll ? "1" : "0") + ",resizable=1,left=" + left + ",top=" + top + ",width=" + larg + ",height=" + alt);
	wnd.focus();
}


function abrirAtlasHistorico(idConteudo, qStr) {
	var url = "http://www.educacional.com.br/Recursos/AtlasHistorico/conteudo/" + idConteudo + "/index.html";
	if (qStr)
		url += "?" + qStr;
	
	abrirJanela('http://www.educacional.com.br/recursos/testaflash/testaflash.asp?Abrir=' + escape(url), idConteudo, 720, 560, false);
}