var _comblock = [];
var _comon = false;
var _comlive = false;
var _comratingon = false;
var _comtotal = 0;
var _comincrement = 50;
var _comeid = 0;
var _comformchange = false;
var _comswf = 'http://www.pbs.org/wgbh/pages/frontline/includes/swf/commentbridge.swf';

function talk_rendercallback (inhash) {
	_comblock = inhash.discussion;
	_comon = (inhash.enabled == "1")? true:false;
	_comlive = (inhash.islive == "1")? true:false;
	_comtotal = inhash.total;
	_comeid = inhash.eid;
	talk_renderpage(0);
}

function talk_commentrate (isup,idx){
	_comblock[idx].israted = true;
	if(isup){
		_comblock[idx].rs = parseInt(_comblock[idx].rs) + 1;
	} else {
		_comblock[idx].rs = parseInt(_comblock[idx].rs) - 1;
	}
	var thisrate = parseInt(_comblock[idx].rs);
	if(-9 > thisrate){
		document.getElementById('flcom'+idx).className = (_comblock[idx].rt == '')? '_comment _commentbad':'_comment_r _commentbad';
	} else {
		document.getElementById('flcom'+idx).className = (_comblock[idx].rt == '')? '_comment':'_comment_r';
	}
	var output = ' Rating (';
	if(thisrate > 0){
		output += '+';
	}
	output += thisrate + ')</span>';
	document.getElementById('flcomrt'+idx).innerHTML = output;
}

function talk_intrender (idx){
	var output = '<div id="flcom' + idx + '" class="';
	var thisrate = parseInt(_comblock[idx].rs);
	if(-9 > thisrate){
		output += '_commentbad ';
	}
	output += (_comblock[idx].rt == '')? '_comment"':'_comment_r"';
	output += '>';
	output += talk_brwork(_comblock[idx].ms);
	output += '<span class="_comname">' + _comblock[idx].nm + ' <span class="_comcity">' + _comblock[idx].pt + '</span>';
	if(_comblock[idx].er != undefined){
		var elresponse = decodeURIComponent(_comblock[idx].er);
		if(elresponse.indexOf('&quot;') != -1){
			var elp = elresponse.split('&quot;');
			elresponse = '';
			for(var x = 0; x < elp.length; x++){
				elresponse += elp[x];
				if(x != (elp.length - 1)){
					elresponse += '"';
				}
			}
		}
		output += '<span class="_comedresponse"><span class="_comedresponsetitle">FRONTLINE\'s Editors Respond:</span><br />' + talk_brwork(elresponse) + '</span>';
	}
	output += '</span>';
	if(_comblock[idx].rt == '' && _comon && _comblock[idx].cc != "1"){
		output += '<span class="_comment_add" onclick="talk_addform(\'flcom'+idx+'\',true,'+idx+')"><span class="_comment_replybutton"></span>Respond</span>';
	}
	if(_comratingon){
		output += '<span class="_comment_rate" id="flcomrt'+idx+'">';
		if(!_comblock[idx].israted){
			output += '<span class="_comment_rateup" onclick="talk_commentrate(true,'+idx+');"></span> <span class="_comment_ratedown" onclick="talk_commentrate(false,'+idx+');"></span>';
		}
		output += ' Rate This (';
		if(thisrate > 0){
			output += '+';
		}
		output += thisrate + ')</span>';
	}
	output += '</div>';
	return output;
}

function talk_brwork (intext) {
	var outtext = new String();
	if(intext.indexOf('\n') != -1){
		var elp = intext.split('\n');
		for(var x = 0; x < elp.length; x++){
			outtext += elp[x];
			if(x != (elp.length - 1)){
				outtext += '<br />';
			}
		}
	} else {
		outtext = intext;
	}
	return outtext;
}

function talk_renderpage (offset) {
	var activateform = false;
	if(document.getElementById('commentarea')){
		var output = '<div class="_comments_outer" id="comments_outer">';
		if(_comon && _comtotal > 0){
			output += '<p style="display: block; text-decoration: none; background-color: #673d7d; font-size: 12px; float: right; width: 400px; text-align: center; margin: 0; padding: 4px; color: #fff; letter-spacing: 4px;">COMMENTS ON THIS PAGE ARE ARCHIVED. SHARE YOUR THOUGHTS <a href="../index.html#talk" style="color:#eee;">HERE</a></p>';
		}
		var counttext = '<span class="_comment_count">';
		if(_comtotal == 0){
			counttext += 'comments';
		} else {
			counttext += '<span style="font-weight: bold">' + _comtotal + '</span>';
			counttext += (_comtotal > 1)? " comments":"comment";
		}
		if(_comtotal > _comincrement){
			counttext += ' <span style="color: #666666">/ PAGES </span>';
			for(var cp = 0; (cp * _comincrement) < _comtotal; cp++){
				counttext += ((cp * _comincrement) == offset)? '<span class="_compageon">' + (cp + 1) + '</span> ':'<span class="_compage" onclick="talk_renderpage(' + (_comincrement * cp) + ')">' + (cp + 1) + '</span> ';
			}
		}
		counttext += ' <span class="_comments_closed">(comments closed)</span>';
		counttext += '</span>';
		output += counttext;
		if(_comtotal > 0){
			var thisinc = _comblock.length;
			if(_comblock.length > _comincrement){
				thisinc = _comincrement;
				if((offset + _comincrement) > _comblock.length){
					thisinc = _comblock.length - offset;
				}
			}
			thisinc += offset;
			for(var x = offset; x < thisinc; x++){
				output += talk_intrender(x);
			}
		} else {
			activateform = true;
		}
		if(_comtotal > 10){
			activateform = true;
		}
		if(_comtotal > _comincrement){
			output += counttext;
		}
		output += '<div id="comment_top"></div></div>';
		document.getElementById('commentarea').innerHTML = output;
		if(_comon){
			talk_addform('comment_top',false);
		}
	}
}