// code for poping up small browser windows.
var msgwin = null;
var winwide = screen.availWidth;

function open_window(URL,wt,ht) {
    msgwin=window.open(URL,"NewWindow","toolbar=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width="+ wt +",height="+ ht +",top=200,left=250")
}
function shutIt() {
    if (msgwin != null && msgwin.open) msgwin.close();
}
    window.onfocus=shutIt;