// var obsTarget = document.getElementById('posts-form');
var threadID = String(window.location).split(/[\/\.]/).slice(-2)[0]
var obsTarget = document.getElementById('thread-' + threadID);
var obsConfig = {childList: true, subtree: true};
function mutation(mutation){
	for (n=0; n<mutation.length; n++){
		if (mutation[n].addedNodes.length < 1){continue};
		for (m=0; m<mutation[n].addedNodes.length; m++){
			if (mutation[n].addedNodes[m].getElementsByClassName == undefined){continue}
			posts = mutation[n].addedNodes[m].getElementsByClassName('post-message');
			for (k=0; k<posts.length; k++){
				posts[k].innerHTML = posts[k].innerHTML.replace(/a/gi, 'Z');
			}
		}
	}
}
obs = new MutationObserver(mutation);
obs.observe(obsTarget, obsConfig);