var openWindow = function(url, options) {var str = "";if (options) {options.height = options.height || 420;options.width = options.width || 550;options.left = options.left || ((screen.width - options.width) / 2); //默認為居中options.top = options.top || ((screen.height - options.height) / 2); //默認為居中for (var i in options) {str += ',' + i + '=' + options[i];}str = str.substr(1);};window.open(url, 'connect_window_'+ (+new Date), str);//參數1為url,參數2為了能可以重復彈出str = null;};//demo 1:新窗口打開我的led投光燈電源網站document.body.onclick = function(){openWindow("http://www.daermay.com/ ?rel=xuexb");}//demo 2:固定寬 并居中document.body.onclick = function(){openWindow("http://www.49028c.com/ ?rel=xuexb",{width:888});}