function otworz(adres) { 

if (document.all)
        {var xMax = screen.width, yMax = screen.height}
else if (document.layers)
        {var xMax = window.outerWidth, yMax = window.outerHeight}
else {var xMax = 640, yMax=480};

var xOffset = (xMax - 700)/2, yOffset = (yMax - 700)/2;

noweOkno = window.open(adres, 'okienko', 'menubar=no, toolbar=no, location=no, scrollbars=yes, resizable=no, status=no, width=710, height=700, directories=no, left='+xOffset+', top='+yOffset+', screenX='+xOffset+',screenY='+yOffset+'') 
noweOkno.focus() 
} 


<!--
function keyInfo(evnt) {
   if (document.layers) Key = evnt.which;
   if (document.all) Key = event.keyCode;
   if (Key==13) log.submit()
}
document.onkeydown = keyInfo
if (document.layers) document.captureEvents(Event.KeyDown)
//-->

<!--
function keyInfo(evnt) {
   if (document.layers) Key = evnt.which;
   if (document.all) Key = event.keyCode;
   if (Key==13) log_szukaj.submit()
}
document.onkeydown = keyInfo
if (document.layers) document.captureEvents(Event.KeyDown)
//-->

<!--
function keyInfo(evnt) {
   if (document.layers) Key = evnt.which;
   if (document.all) Key = event.keyCode;
   if (Key==13) log_subs.submit()
}
document.onkeydown = keyInfo
if (document.layers) document.captureEvents(Event.KeyDown)
//-->

<!--
function keyInfo(evnt) {
   if (document.layers) Key = evnt.which;
   if (document.all) Key = event.keyCode;
   if (Key==13) formularz.submit()
}
document.onkeydown = keyInfo
if (document.layers) document.captureEvents(Event.KeyDown)
//-->