文字在状态栏上从左往右一个一个地显示，就象你打出的字一样
代码：
1<script language="JavaScript">
2var msg = "欢迎来到网页特效世界，请多提意见。谢谢! " ;
3var interval = 120
4var spacelen = 120;
5var space10=" ";
6var seq=0;
7function Helpor_net() {
8len = msg.length;
9window.status = msg.substring(0, seq+1);
10seq++;
11if ( seq >= len ) {
12seq = 0;
13window.status = '';
14window.setTimeout("Helpor_net();", interval );
15}
16else
17window.setTimeout("Helpor_net();", interval );
18}
19Helpor_net();
20</script>