bgifr a me，控制div层z-index轴，解决ie6.0下div被select挡住问题-bgifr a me,div z-index ctrl

jquery.modalbox是一个轻量级的对话框插件, 支持模态, URL加载, 拖动. 模态方式如果想支持IE6, 需要bgifr a me.js插件修正下拉框bug.-The jquery.modalbox a lightweight dialog box plugin support modal URL loading, dragging mode if you want to support IE6, to need bgifr a me.js plug-in fixes the dr