function semFoco(obj) {
	if(obj.blur) {
		obj.blur();
	}
}

function expediente() {

	l = 330;
	a = 390;
	
	tL = screen.width;
	tA = screen.height;
	
	pL = Math.ceil((tL - l) / 2);
	pA = Math.ceil(((tA - a) / 2) * 0.80);
	
	window.open("expediente.html","abast_site_expediente","menubar=no,toolbar=no,location=no,status=no,directories=no,scrollbars=no,top=" + pA + ",left=" + pL + ",width=" + l + ",height=" + a + "");
}

function imprimir() {
	window.print();
}

function popup_centralizar(w, h) {
	var wid = w;
	var hei = h;
	
	var wid_screen = screen.width;
	var hei_screen = screen.height;
	
	var px = Math.ceil((wid_screen - wid) / 2);
	var py = Math.ceil((hei_screen - hei) / 2 * 0.40);
	
	var str = "top="+py+", left="+px+", width="+wid+", height="+hei;

	return str;
}

function popup_compra(cod_livro) {
	var wid = 340;
	var hei = 365;
	
	var param = popup_centralizar(wid, hei);

	window.open("http://www.conceito-online.com.br/conceitoeditorial/php/compra.php?cod_livro="+cod_livro, "CONCEITO_EDITORIAL_COMPRA", "menubar=no, toolbar=no, scrollbars=no, resizable=no, status=no, directories=no, " + param);
}