var msg = "Welcome you visit Changchun Dangdai Grouop£ºhttp://www.dangdaigroup.com";
var speed = 300; 
var msgud = " " + msg; 
function statusScroll() { 
if (msgud.length <msg.length) msgud += " - " + msg; 
msgud = msgud.substring(1, msgud.length); 
window.status = msgud.substring(0, msg.length);
window.setTimeout("statusScroll()", speed); 
}