Some time pepole want that status bar should not show th path of the pages.. or they want some custome message should run on the status bar. so below code will help you to write custome messages to the status bar.
var yourwords = "Status Ready";
var speed = 10;
var control = 1;
If you call this method on the starting of the page than it will run on every 10MS and change the status message of the status bar..