var eleImgShare = document.getElementById("imgSinaShare"); //新浪微博图标 var eleImgShare2 = document.getElementById("imgQqShare"); //腾讯微博图标 var artMain = document.getElementById("fontzoom"); //限定在的id容器 var $miniBlogShare = function(eleShare,eleShare2,eleContainer) { //实现方法 var eleTitle = document.getElementsByTagName("title")<0>; eleContainer = eleContainer || document; var funGetSelectTxt = function() { //获取选中文字 var txt = ""; if(document.selection) { txt = document.selection.createRange().text; // IE } else { txt = document.getSelection(); } return txt.toString(); }; eleContainer.onmouseup = function(e) { //限定容器若有文字被选中 e = e || window.event; var txt = funGetSelectTxt(), sh = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0; var left = (e.clientX - 40