/* Open a new window (perfectly centered at 70-90% of screen size) */
function openWin() {
	args = openWin.arguments;

	/*--- Choose window size (full screen minus how many pixels) ---*/
	var windowsize = 150;
	var maxwindowwidth = 1024;
	var maxwindowheight = 768;
	/*--------------------------------------------------------------*/

	if (screen.width > maxwindowwidth)
	{
		var width = maxwindowwidth;
		var widthc = (screen.width - maxwindowwidth) / 2;
	}
	else
	{
		var width = screen.width - windowsize;
		var widthc = windowsize / 2;
	}

	if (screen.height > maxwindowheight)
	{
		var height = maxwindowheight;
		var heightc = ((screen.height - maxwindowheight) / 2) - 50;
	}
	else
	{
		var height = screen.height - (windowsize * 2);
		var heightc = windowsize / 2;
	}
	
	window.open(args[0], 'openWin', 'width=' + width + ',height=' + height + ',top=' + heightc + ',left=' + widthc + ',scrollbars=1,status=1,toolbar=1,menubar=1,resizable=1');
	return false;
}