看了好久看不懂，大家帮忙看下-跑马灯

[simpman]

<script language="javascript">
<!--
function scroll(seed)
{
var m1 = "欢 迎 光 临"
var m2 = "洪 恩 在 线 电 脑 乐 园"
var msg=m1+" "+m2;
var out = " ";
var c = 1;
if (seed > 100) {
seed--;
var cmd="scroll(" + seed + ")";
timerTwo=window.setTimeout(cmd,100);
}
else if (seed <= 100 && seed > 0) {
for (c=0 ; c < seed ; c++) {
out+=" ";
}
out+=msg;
seed--;
var cmd="scroll(" + seed + ")";
window.status=out;
timerTwo=window.setTimeout(cmd,100);
} else if (seed <= 0) {
if (-seed < msg.length) {
out+=msg.substring(-seed,msg.length);
seed--;
var cmd="scroll(" + seed + ")";
window.status=out;
timerTwo=window.setTimeout(cmd,100);
}
else {
window.status=" ";
timerTwo=window.setTimeout("scroll(100)",7);
}
}
}
timerONE=window.setTimeout('scroll(100)',50);
//-->
</SCRIPT>
不知道seed是干啥的。最好能解释详细点。

[xiangfangfang]

seed是 func scroll的参数 ....用于后来的setTimeout(执行的函数,毫秒数)