function openpicturewindow_fever(imageName,imageWidth,imageHeight,alt,posLeft,posTop) {
	newWindow = window.open("","newWindow","width="+imageWidth+",height="+imageHeight+",left="+posLeft+",top="+posTop);
	newWindow.document.open();
	newWindow.document.write('<html><title>'+alt+'</title><body bgcolor="#E6EFFA" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()">'); 
	newWindow.document.write('<img src='+imageName+' width='+imageWidth+' height='+imageHeight+' alt='+alt+'>'); 
	newWindow.document.write('</body></html>');
	newWindow.document.close();
	newWindow.focus();
}
// poniżej skrypt z muwo.pl (malwer)
/*
var popUpWin=0;

function popUpWindow(URLStr, width, height, allowScroll)
{
	var left = 15;
	var top = 15; 
	var scrollbars = 'scrollbars=no';
	if(allowScroll) scrollbars = 'scrollbars=yes';
  if(popUpWin && !popUpWin.closed)
  {
		popUpWin.document.getElementById('warstwa_foto').style.display = 'none';
		popUpWin.document.location = URLStr;
  }
  else popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,status=0,menubar=no,'+scrollbars+',resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
	popUpWin.focus();
}
*/