function open_window(src,sizeX,sizeY)
{
 sY = eval(sizeY+50);
 sX = eval(sizeX+50);
 window.open('okno.php?src='+src,'wi','toolbar=no location=no,directories=no,status=yes,menubar=no, scrollbars=no,resizable=yes,fullscreen=no,channelmode=no,width='+sX+',height='+sY+',top=10,left=10');
}