var msg="歡迎參觀本校網頁！如有任何意見，請電郵至ccg@ccgss.edu.hk";
var interval = 100;  
var spacelen = 120;
var space10=" ";
var seq=0; 
function Scroll() {
len = msg.length;
window.status = msg.substring(0, seq+1);
seq++;
if ( seq >= len ) { 
seq = spacelen; 
window.setTimeout("Scroll2();", interval );
}
else
window.setTimeout("Scroll();", interval );
} 

function Scroll2() {
var out="";

for (i=1; i<=spacelen/space10.length; i++) out += space10;
out = out + msg;
len=out.length;
window.status=out.substring(seq, len);
seq++;
if ( seq >= len ) { seq = 0; };
window.setTimeout("Scroll2();", interval );
}