odLewej=0
odGory=0
if (screen) {
	odLewej=screen.width/2-400
	odGory=screen.height/3-240
}

function displayWindow(url, width, height, left, top) {
	var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',left=' +odLewej+ ',top=' +odGory+ ',resizable=yes,scrollbars=no,menubar=no,fullscreen=no,channelmode=no' );
}