function popunder (){
var popunder = window.open("http://www.ig.com.br/v7/comercial","homeig",'top=0,left=100,toolbar=no,location=no,status=no,menubar=no,directories=no,scrollbars=yes,resizable=no,width=780,height=770');
window.focus();
}
popunder();
function changePage() {
barra = "";
if (self.parent.frames.length == 0){
barra = '\
