function DomRenderer(modules) {
	return {
		article: article,
		articlesList: articlesList,
		replaceMarkdown: replaceMarkdown
	};

	function replaceMarkdown() {
		var div = document.getElementById('contents');
		if(div.children[0] && div.children[0].tagName.toLowerCase() == 'article') {
			convertArticle(div.children[0]);
		} else {
			var articles = div.getElementsByClassName('articles')[0];
			if(articles != undefined) {
				for(var i = 0; i < articles.children.length; i++) {
					convertArticle(articles.children[i]);
				}
			} else {
				console.log('No articles found for this page');
			}
		}
	}

	function convertArticle(article) {
		var header = article.getElementsByTagName('header')[0];
		var text = article.getElementsByTagName('pre')[0];
		if(text != undefined) {
			article.replaceChild(getDiv(text.innerText), text);
		} else {
			console.log('No content found for this article');
		}
	}

	function getDiv(markdown) {
		return modules.dom.make('div', {
			innerHTML: modules.md.render(markdown)
		});
	}

	function article(url, markdown, limit) {
		var headerEnd = markdown.search(/\n\n/);
		var header = getDiv(markdown.slice(0, headerEnd));
		var lines = markdown.slice(headerEnd+2).split(/\n/);
		var div = getDiv(lines.slice(0, limit).join('\n'));
		var title = header.getElementsByTagName('h1')[0];
		return title == undefined ? null : modules.dom.make('article', {}, [
			modules.dom.make('header', {}, [
				modules.dom.make('a', {class: (limit != undefined ? 'navigation' : []), href: url}, [title])
			]),
			div
		]);
	}

	function pageTitle(tag, all) {
		return (all ? 'All' : 'Latest') + ' articles' + (tag != undefined ? ' tagged ' + tag : '');
	}

	function otherUrl(tag, all) {
		var path = [tag, all ? null : 'all.html'];
		return '/' + path.filter(modules.fun.defined).join('/');
	}

	function articlesList(tag, all) {
		return function(articlePreviews) {
			return [
				modules.dom.make('h2', {innerText: pageTitle(tag, all)}),
				modules.dom.make('p', {}, [
					modules.dom.make('a', {
						class: 'navigation',
						innerText: all ? 'See only latest' : 'See all',
						href: otherUrl(tag, all)
					})
				]),
				modules.dom.make('div', {class: 'articles'}, articlePreviews.filter(modules.fun.defined))
			];
		};
	}
}