function NewWindow(mypage, myname, w, h, scroller, formname, dayfield, monthfield, yearfield) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroller+',resizable'
win = window.open(mypage+'?form='+formname+'&dayfield='+dayfield+'&monthfield='+monthfield+'&yearfield='+yearfield, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function NewWindowStd(mypage, myname, w, h) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=Yes,resizable'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}