Inject jQuery.js

javascript:(function(){var el=document.createElement("div"),b=document.getElementsByTagName("body")[0],otherlib=!1,msg="";el.style.position="fixed",el.style.height="32px",el.style.width="220px",el.style.marginLeft="-110px",el.style.top="0",el.style.left="50%25",el.style.padding="5px 10px",el.style.zIndex=1001,el.style.fontSize="12px",el.style.color="#222",el.style.backgroundColor="#f99";function showMsg(){var txt=document.createTextNode(msg);el.appendChild(txt),b.appendChild(el),window.setTimeout(function(){txt=null,typeof jQuery=="undefined"?b.removeChild(el):(jQuery(el).fadeOut("slow",function(){jQuery(this).remove()}),otherlib&&(window.$jq=jQuery.noConflict()))},2500)}if(typeof jQuery!="undefined")return msg="This page already using jQuery v"+jQuery.fn.jquery,showMsg();typeof $=="function"&&(otherlib=!0);function getScript(url,success){var script=document.createElement("script");script.src=url;var head=document.getElementsByTagName("head")[0],done=!1;script.onload=script.onreadystatechange=function(){!done&&(!this.readyState||this.readyState=="loaded"||this.readyState=="complete")&&(done=!0,success(),script.onload=script.onreadystatechange=null,head.removeChild(script))},head.appendChild(script)}getScript("//code.jquery.com/jquery.min.js",function(){return typeof jQuery=="undefined"?msg="Sorry, but jQuery was not able to load":(msg="This page is now jQuerified with v"+jQuery.fn.jquery,otherlib&&(msg+=" and noConflict(). Use $jq(), not $().")),showMsg()})})();