效果预览:http://keleyi.com/keleyi/phtml/menu/1.htm 下拉菜单 js+div+css下拉导航菜单完整代码: <!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"> <head> <title>css+div+js下拉菜单导航--柯乐义&l