js的事件冒泡，为什么IE好使，firebox不好使，怎么改？
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="gb2312"><head><title> test</title><script src="jquery.min.js"></script><script type="text/javascript"> function show_s(evt){ $('#test').show(); var e=(evt)?evt:window.event; if (window.event) { e.cancelBubble=true; } else { e.stopPropagation(); } } function init(){ $("body").bind("click", function(){ $('#test').hide(); }); } $(document).ready(function(){ init(); });</script></head><body><div onclick="show_s();">dddddddddddddddddddddddddd</div><div id="test" style="display:none;">mmmmmmmmmmmmmmmmmmm</div></body></html> //阻止事件冒泡 var ev = window.event || arguments.callee.caller.arguments[0]; if (window.event) { ev.cancelBubble = true; } else { ev.stopPropagation(); } //