Steps to reproduce:
1.On Mercury12b, JRE1.4.2_02-b03, use Sun GH18PS LCD monitor and set monitor model to 1280*
1024@75HZ.
2.Open Mozilla1.4 and launch to applet demo Dither Test, the "New Image" button can't display .
If select monitor model as 1024*
768@75HZ, can't reproduce this problem.