function popup(url){
window.open(url,'popup','scrollbars=no,toolbar=no,location=no,directories=no,menubar=no,resizable=no,width=400,height=500');
}

function popup_pan(url){
window.open(url,'popup','scrollbars=no,toolbar=no,location=no,directories=no,menubar=no,resizable=no,width=650,height=300');
}