一个用Javascr ipt控制的vrml场景，可以通过拖动进度条调节天空和地面的颜色，效果十分的好，利于初学者学习研究。-The control of a vrml scene with Javascr ipt, you can drag the progress bar adjust the color of the sky and ground, the effect is very good, which will help beginners to study and research

用vrml写的3d的进度条，浏览器必须为Lyinux-Vrml written with a progress bar 3d

用vrml写的，3d的进度条，必须要用Lyinux打开-Written with vrml, 3d of the progress bar to be open to use Lyinux

在VT中实现进度条功能,进度条按时间计算。-Achieve progress bar feature in VT, the progress bar is calculated at the time.