//全局变量 var val_pop_w = 760;//广告页面的宽度 var val_pop_h = 480;//广告页面的高度 var val_pop_id = "mm_11512779_1786550_8277893";//广告id var val_pop_t = 0;//广告距顶top距离 var val_pop_l = 0;//广告距左边left距离 var val_pop_day = 1;//广告频率天 var val_pop_num = 4;//广告频率次数 //添加监听事件 function addListener(element, e, fn){ element.addEventListener ? element.addEventListener(e, fn, false) : element.attachEvent("on" + e, fn) } //删除监听事件 function removeListener(element, e, fn){ element.removeEventListener ? element.removeEventListener(e, fn, false) : element.detachEvent("on" + e, fn) } function openWindowBack(){ var adPopup = window.open('', '背投广告', 'width=' + (parseInt(val_pop_w) + 1) + ',height=' + (parseInt(val_pop_h) + 1) + ', left=' + val_pop_l + ',top=' + val_pop_t); //设置广告页面内容 var adhtml = ""; var adjs = ""; adjs += '