// Ventana Sello Verisign
function SelloVerisign() {
    var width = 515;
    var height= 500;
	var url   = "https://seal.verisign.com/splash?form_file=fdf/splash.fdf&dn=www.atravesde.com&lang=es"; 
	var name  = "SelloVerisign";
	popup(url, name, width, height);
}

// Funcion generica para abrir un popup centrado en la pantalla.
function popup(url, name, width, height) {
	// Saca medidas de Pantalla para centrar
	var left  = parseInt((screen.availWidth/2) - (width/2));
	var top   = parseInt((screen.availHeight/2) - (height/2));
	var popup = window.open(url, name, "width="+width+",height="+height+",left="+left+",top="+top+",toolbar=0,statusbar=0,menubar=0");
	popup.focus();
}