function pop(url,windowName,windowTitle,closeOnClick,width,height,t){
if(!url)return
function readSize(){if(t.complete)showPopup(t.width,t.height);else setTimeout(readSize,1e2)}
function showPopup(w,h){with(window.open('',windowName||'','width='+(width||w)+',height='+(height||h)).document){open();write(''+(windowTitle||'')+'
');close()}}
if(!width||!height)t=new Image(),t.src=url,readSize()
else showPopup(width,height)
}
function popup(file,w,h)
{
okienko = null;
if(window.screen)
{
aw = screen.availWidth;
ah = screen.availHeight;
}
else
{
aw=640;
ah=480;
}
tech="width="+w+",height="+h+",left="
+(aw-w)/2+",top="
+(ah-h)/2
+",toolbar=no,location=no,directories=no,"
+"status=no,menubar=no,"
+"scrollbars=no,resizable=no";
okienko=window.open(file,'popup',tech);
}