function openPictureView(url, wndName, width, height) {
	wnd = window.open(url, wndName, 'scrollbar=no,height='+height+',width='+width);
	var top = (screen.height - height)/2;
	var left = (screen.width - width)/2;
	wnd.moveTo(left, top);
}

function openHintWnd(hintID) {
	wnd = window.open('hints.php?hintID='+hintID, hintID, 'scrollbar=no,height=130,width=350');
	var top = (screen.height - 130)/2;
	var left = (screen.width - 350)/2;
	wnd.moveTo(left, top);
}