jsp目录动态菜单

jsp目录动态菜单代码片段functionShowMenu(obj,n){varNav=obj.parentNode;if(!Nav.id){varBName=Nav.getElementsByTagName("ul");varHName=Nav.getElementsByTagName("h2");vart=2;}else{varBName=document.getElementById(Nav.id).getElementsByTagName("span");varHName=document.getElementB