if(navigator.userAgent.indexOf("MSIE")>0 || (navigator.userAgent.indexOf("Trident") > -1 && navigator.userAgent.indexOf("rv:11") > -1)){　　if(window.getSelection){　　　　var img = document.createElement("img");　　　　img.src = ‘http://static.qyer.com/images/ask/temp/ask_append_img.png‘;　　　　img.className = ‘js_load_pic‘;　　　　var m = editor.getSelection().getRangeAt(0);　　　　if(m){　　　　　　editor.document.body.appendChild(img);　　　　}　　}else{　　editor.document.selection.createRange().pasteHTML(‘<img src="http://static.qyer.com/images/ask/temp/ask_append_img.png" class="js_load_pic"/>‘) ; 　}}else{　　editor.document.execCommand("insertHTML", null, ‘<img src="http://static.qyer.com/images/ask/temp/ask_append_img.png" class="js_load_pic"/>‘); 
　　//插入HTML}