[Konachan / yande.re / LB] History: Don't Show Incorrect Thumbnails

On the history pages, when the thumbnail for the row you're hovering over hasn't loaded yet, it will show a blank thumbnail instead of an incorrect thembnail. (Useful for slow connections)

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name		[Konachan / yande.re / LB] History: Don't Show Incorrect Thumbnails
// @namespace	Zolxys
// @description	On the history pages, when the thumbnail for the row you're hovering over hasn't loaded yet, it will show a blank thumbnail instead of an incorrect thembnail. (Useful for slow connections)
// @include		/^https?://konachan\.com/(history|post/deleted_index)/?($|\?|#)/
// @include		/^https?://konachan\.net/(history|post/deleted_index)/?($|\?|#)/
// @include		/^https?://yande\.re/(history|post/deleted_index)/?($|\?|#)/
// @include		/^https?://lolibooru\.moe/(history|post/deleted_index)/?($|\?|#)/
// @version		1.0
// ==/UserScript==
window.zol_history_no_incorrect = function() { // Added as a function so that it can be run from scripts that add a hovering thumbnail (ie. "Deleted Index: Show Thumbnails")
	var tbl = document.getElementById('content').getElementsByTagName('table')[0];
	var l = tbl.getElementsByTagName('tbody')[0].getElementsByTagName('tr');
	for (var i = l.length - 1; i >= 0; --i) {
		l[i].observe("mouseover", function() {
			var r = /\/post\/show\/(\d+)$/.exec(((this.getElementsByClassName('id').length)? this.getElementsByClassName('id')[0] : this).getElementsByTagName('a')[0].href);
			var id = (r)? parseInt(r[1]) : false;
			if (id && !Post.is_blacklisted(id)) {
				var tn = document.getElementById('hover-thumb');
				tn.src = '/images/blank.gif';
				tn.src = window.Post.posts._object[id].preview_url;
			}
		});
	}
}
if (document.getElementById('hover-thumb'))
	window.zol_history_no_incorrect();