// oCW(200,300,'plik.html')
function ocw(width, height, href)
{
	var x,y;
	if (navigator.appName == 'Netscape')
	{
		x = screen.availWidth;		
		y = screen.availHeight;	
	}
	else
	{
		x = screen.Width;		
		y = screen.Height;	
	}
	nOkno = window.open(href,'',"\'menubar = yes,scrollbars=no,width="+width+",height="+height+",left="+((x-width)/2)+",top="+((y-height)/2)+"\'");
	nOkno.focus();
}