yande.re user script

// ==UserScript==
// @name        yande.re
// @namespace   http://weibo.com/starrin
// @include     https://yande.re/post*
// @version     1.02
// ==/UserScript==
var imglist=document.getElementsByClassName("preview");
var i;
for(i=0;i<imglist.length;i++)
{
    if(imglist[i].src=="https://yande.re/deleted-preview.png")
    {
        var original=imglist[i].parentNode.parentNode.nextSibling.href;
        var md5=original.slice(original.indexOf("/image/")+7,original.indexOf("/image/")+39);
        imglist[i].src="https://yande.re/data/preview/"+md5.slice(0,2)+"/"+md5.slice(2,4)+"/"+md5+".jpg";
    }
}
var noticelist=document.getElementsByClassName("status-notice");
for(i=0;i<noticelist.length;i++)
{
    if(noticelist[i].innerHTML.match("This post was deleted."))
    {
        var md5=noticelist[i].innerHTML.slice(noticelist[i].innerHTML.indexOf("MD5: ")+5,noticelist[i].innerHTML.indexOf("MD5: ")+37);
        document.getElementById("right-col").innerHTML="<img id=\"image\" class=\"image\" src=\"https://yande.re/sample/"+md5+"/1.jpg\">"+document.getElementById("right-col").innerHTML;
    }
}
function openAll()
{
    var allThumbs = document.getElementsByClassName('thumb');
    var eventObj;
    var i;
    for(i=0;i<allThumbs.length;i++)
    {
        eventObj = document.createEvent("MouseEvents");
        eventObj.initMouseEvent("click", true, true, window,0, 0, 0, 0, 0, true, false, false, false, 0, null);
        allThumbs[i].dispatchEvent(eventObj);
    }
}
function keyup(event)
{
    if(event.keyCode == 39)
        document.getElementsByClassName('next_page')[0].click();
    if(event.keyCode == 37)
        document.getElementsByClassName('previous_page')[0].click();
    if(event.keyCode == 13)
        document.getElementById('add-to-favs').firstChild.click();
    if(event.keyCode == 79)
        openAll();
}
document.onkeyup = keyup;