+"宇宙,人类的最终边界....太空船企业号的旅程,"
+"是为了探索陌生新世界,找寻新生命与新文明,勇"
+"驶向人类足迹从未的领域."
//--------------------------------
var ShowWidth = 50
var ShowHead = 0
var ShowTail = ShowWidth
var ShowLength= ShowString.length
//--------------------------------
function marquee()
{
var DisplayString
if (ShowHead<ShowTail)
DisplayString = ShowString.substring(Sho