function tag_links (container, exclude_url, exclude_class, pre_text, text, post_text, link_class, title) {
	if (pre_text == null) {pre_text = ' [';}
	if (text == null) {text = 'b';}
	if (post_text == null) {post_text = ']';}
	if (link_class == null) {link_class = 'autolink';}
	if (title == null) {title = 'metalink';}
	var con_node = (container != null) ? document.getElementById (container):document;
	var a_nodes = con_node.getElementsByTagName ('A');
	var temp_nodes = new Array ();
	for (var i = 0; i < a_nodes.length; i++) {
		temp_nodes[temp_nodes.length] = a_nodes[i];
		}
	for (var i = 0; i < temp_nodes.length; i++) {
		var a_node = temp_nodes[i];
		//check if it's one we created
		if (a_node.className == 'autolink') {continue;}
		//check if tag is just an anchor
		if (a_node.href == '') {continue;}
		//check if tag is a link to exclude
		if ((exclude_url != null) && (exclude_url == a_node.href.substr(0,exclude_url.length))) {continue;}
		if ((exclude_class != null) && (exclude_class == a_node.className)) {continue;}
		var new_node = document.createElement('A');
		new_node.className = link_class;
		new_node.href = "http://blogdex.media.mit.edu/browseSource.asp?url=" + escape (a_node.href);
		new_node.target= "_blank";
		new_node.appendChild (document.createTextNode(text));
		new_node.title = title;
		var new_div_node = document.createElement ('SPAN');
		new_div_node.appendChild (a_node.cloneNode(true));
		new_div_node.appendChild (document.createTextNode(pre_text));
		new_div_node.appendChild (new_node);
		new_div_node.appendChild (document.createTextNode(post_text));
		a_node.parentNode.replaceChild (new_div_node,a_node);
		}
	}