function tag_links(container, exclude_url, exclude_url2, exclude_class, pre_text, text, post_text, link_class){

	if (pre_text == null){pre_text = ' [';}
	if (text == null){text = 'b';}
	if (post_text == null){post_text = ']';}
	if (link_class == null){link_class = 'autolink';}

	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_url2 != null) && (exclude_url2 == a_node.href.substr(0,exclude_url2.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));

		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);
	}
}