function popup(w,h,url)
{
 pop = window.open(url, 'Popup', "width="+w+", height="+h);
 pop.focus();
}

function showParent(url)
{
 callParent(url);
 self.close();
}

function callParent(url)
{
 opener.location.href = url;
 opener.focus();
}