请问如何在IE下方的状态栏插入文字,最好是动态的!给代码感激不尽!

<script language="JavaScript">var MESSAGE="文字从右边一个个弹出";var POSITION = 150;var DELAY = 10;var scroll = new statusMessageObject();function statusMessageObject(p,d){this.msg = MESSAGE;this.out = " ";this.pos = POSITION;this.delay = DELAY;this.i=0;this.reset = clearMessage};function clearMessage(){this.pos = POSITION};function scroller(){for(scroll.i=0;scroll.i<scroll.pos; scroll.i++);{scroll.out+=" "};if(scroll.pos >= 0) scroll.out += scroll.msg; else scroll.out = scroll.msg.substring(-scroll.pos,scroll.msg.length);window.status = scroll.out;scroll.out = " "; scroll.pos--; if(scroll.pos < -(scroll.msg.length)){ scroll.reset()}; setTimeout ('scroller()',scroll.delay)};function snapIn(jumpSpaces,position){var msg = scroll.msg;var out = "";for (var i=0; i<position; i++){out += msg.charAt(i)}; for (i=1;i<jumpSpaces;i++){out += " "}; out += msg.charAt(position);window.status = out;if (jumpSpac