Extension for Firefox/scripts/errorMsg/error_msg.js
document.getElementsByTagName('form')[0].style.display="none";
var nav = document.getElementsByTagName('form')[0];
var div1 = document.createElement("div");
div1.setAttribute("class", "text-wrapper");
var div2 = document.createElement("div");
div2.setAttribute("class","title");
div2.setAttribute("data-content","404");
var t1 = document.createTextNode("Session Expired");
div2.appendChild(t1);
var div3 = document.createElement("div");
div3.setAttribute("class","subtitle");
var t2 = document.createTextNode("I've got some bad news, pal.");
div3.appendChild(t2);
var div4 = document.createElement("div");
div4.setAttribute("class","buttons");
var tag1 = document.createElement("a");
tag1.setAttribute("href", "https://vtop.vit.ac.in/student/stud_login.asp");
tag1.setAttribute("target", "_blank");
tag1.setAttribute("class", "button1");
var t3 = document.createTextNode("Go To Login Page");
tag1.appendChild(t3);
div4.appendChild(tag1);
div1.appendChild(div2);
div1.appendChild(div3);
div1.appendChild(div4);
nav.parentElement.appendChild(div1);