function zvetsi(obrazek,gal,sirka,vyska) { if (sirka>screen.width) { sirka=screen.width-10 } if (vyska>screen.height) { vyska=screen.height-50 } newWin = window.open('obrazky.php?obrazek='+obrazek+'&gal='+gal,'','toolbar=no,location=no,scrollbars=auto,resizable=yes,width='+sirka+',height='+vyska+',left=10,top=10') }