var xhr;
var community;
Event.observe(window, 'load', function(){ community = new communityclass });

var communityclass = Class.create({
	initialize: function() {
            var host_url = document.URL.split('/');
            var host_anchor = document.URL.split('#comment_');
            
            this.site_name = host_url[2];
            this.anchor_comment = host_anchor[1];
            //this.FO = new FlashTag('http://www.space.com/common/community/nomnom.swf', 1, 1);
            this.objBody = document.getElementsByTagName("body").item(0);
            //document.domain = 'sandbox5.newsarama.com';
            //alert(document.domain);
            this.user = this.getCookie('HD');
            this.cookieKey = 'HD';
            this.phpbbcookieKey = 'phpbb3_4sx8g_';
            this.sortOrder = 'asc';
            
            if(domain == 'space' && $('sidebox')){ 
                    this.welcome = new Template('<img id="pk_avatar" src="#{avatar}" width="60" height="60"><div class="avatar clearfix"><h3 id="pk_header_title">Welcome, #{user}</h3><h4 id="pk_header_msg">#{msg}</h4></div><div><span id="pk_header_log" style="padding-right:5px;">#{log}</span><span id="pk_header_accnt" style="padding-left:5px; border-left:1px solid #CCC;">#{accnt}</span></div>')
            }
            
            this.setModules();
        },
        action: function(act,doc,arg){
		switch(act){
			case 'logout': this.eatCookies("loginrd");this.eatCookies(this.cookieKey);break;
		}
	},
        setModules: function(){
            if($('pk_header') != null){
			this.persona_lnk = '/common/community/profile.php?u='+this.user[0];
			if(domain == 'space' && $('sidebox')){
				if(this.user != false){
					
									if (this.user[4].indexOf('#') != -1)
										str = this.welcome.evaluate({avatar: this.user[4].replace('#','='), user:'<a href="'+this.persona_lnk+'">'+this.user[1]+'</a>', log: '<a href="javascript:community.action(\'logout\')">Log Out</a>',accnt: '<a href="/common/community/account.php">Account Options</a>',msg:''});
									else
										str = this.welcome.evaluate({avatar: this.user[4], user:'<a href="'+this.persona_lnk+'">'+this.user[1]+'</a>', log: '<a href="javascript:community.action(\'logout\')">Log Out</a>',accnt: '<a href="/common/community/account.php">Account Options</a>',msg:''});
			
				}else{
					str = this.welcome.evaluate({avatar: avatar[0], user:'Guest', log: 'Members: <a href="/common/community/login.php">Log In</a>',accnt: 'New? Register: <a href="/common/community/register.php">Join Now!</a>',msg:'Curious?  Join our community!'});
					
				}	
				$('pk_header').innerHTML = str;
			}
                    if(this.user != false){
                        this.Get_New_Messages();
                    }
		}
		
		
		var recapt = new Element('script',{ 'type': 'text/javascript','src':'http://api.recaptcha.net/js/recaptcha_ajax.js' });
		this.objBody.appendChild(recapt);
		if($('pk_comments')){ this.LoadComments(); this.LoadCommentForm(); this.LoadComRec();}
	},
	compare: function(obj){
		var e1 = $(obj);
		var e2 = $(obj+"2");
		this.form_err = (e1.getValue() != e2.getValue());
		var c = (this.form_err)? "error" : "okdokay";
		e1.className = e2.className = c;
	},
        makePOSTRequest: function(url, parameters, f){
			
            try {  xhr = new XMLHttpRequest();   if (xhr.overrideMimeType) { xhr.overrideMimeType('text/html');}  }
            catch (e) 
            {
                try {   xhr = new ActiveXObject('Microsoft.XMLHTTP');    }
                catch (e2) 
                {
                  try { xhr = new ActiveXObject('Msxml2.XMLHTTP'); }
                  catch (e3) {  xhr = false;   }
                }
             }
             
              if (!xhr) {alert('Cannot create XMLHTTP instance');return false;}
              xhr.onreadystatechange = f;
              xhr.open('POST', url, true);
              xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
              xhr.setRequestHeader("Content-length", parameters.length);
              xhr.setRequestHeader("Connection", "close");
              xhr.send(parameters);
        },
        ShowReplies: function(comment_id,nb_replies){
          $('replies_'+comment_id).style.display = 'block';
          $('expandtext_'+comment_id).innerHTML = '<a style="background-position:0 -12px;" href="javascript:community.HideReplies('+comment_id+','+nb_replies+')">Close</a> Replies ('+nb_replies+')';
        },
        HideReplies: function(comment_id,nb_replies){
          $('replies_'+comment_id).style.display = 'none';
          $('expandtext_'+comment_id).innerHTML = '<a style="background-position:0 1px;" href="javascript:community.ShowReplies('+comment_id+','+nb_replies+')">Expand to View Replies ('+nb_replies+')</a>';
        },
        Permalink: function(comment_id){
          $('permalink_'+comment_id).style.display = 'block';
        },
        alertpostComment: function (){
            var commentText = $('commentText');
            if(xhr.readyState  == 4){
                if(xhr.status  == 200){
                    var url = window.location.toString().split('#');
                    //window.location.replace(url[0] + '#commentForm');
                    //window.location.reload();
                    $('commentText').disabled = true;
                   // $('btnSubmitCommentDis').src = 'http://i.livescience.com/common/community/template_images/btn_submit_comment_inactive.gif';
                    $('btnSubmitComment').style.display = 'none';
                    $('btnSubmitCommentDis').style.display = 'block';
                    $('btnSubmitCommentDis').disabled = true;
                    $('commentText').style.color = '#FF0000';
                    $('commentText').value = 'Your comment has been posted. It may take up to a minute for your comment to appear.';
                }else{
                    commentText.innerHTML = xhr.status;
				}
            }else{
                  // commentText.innerHTML =  "Error posting comment";
            }
        },
        Submit_Comment: function(){
            if ($('commentText').value.replace(/^\s*|\s*$/g,'') != '')
            {
                var parameters = 'action=postComment&member_id='+this.user[0]+'&guid='+encodeURI(ArticleID)+'&comment_text='+escape($('commentText').value)+'&parent_id='+encodeURI($('parent_id').value);
                this.makePOSTRequest('http://'+this.site_name+'/common/community_interface/communityAjax.php', parameters, this.alertpostComment);
            }
            return false;
        },
        alertGetNewMessages: function () 
        {
            if(xhr.readyState  == 4) 
            { 
                if(xhr.status  == 200) 
                { 
                    var new_msgs = xhr.responseText.replace(/\r|\n|\r\n/g, ""); 
                    if (new_msgs > 0) 
                        $('pk_header_msg').innerHTML = '<a href="/common/community/account.php?t=2">View New Messages ('+new_msgs+')</a>';
                } 
            } 
        }, 
        Get_New_Messages: function(){
            var parameters = 'action=GetNbNewMessages&member_id='+this.user[0];
            this.makePOSTRequest('http://'+this.site_name+'/common/community_interface/communityAjax.php', parameters, this.alertGetNewMessages);
            return false;
        },
        LoadComments: function(){
                var host_url = document.URL.split('/');
                var xhr2;
               try {  xhr2 = new XMLHttpRequest();   if (xhr2.overrideMimeType) { xhr2.overrideMimeType('text/html');}  }
            catch (e) 
            {
                try {   xhr2 = new ActiveXObject('Microsoft.XMLHTTP');    }
                catch (e2) 
                {
                  try { xhr2 = new ActiveXObject('Msxml2.XMLHTTP'); }
                  catch (e3) {  xhr2 = false;   }
                }
             }
             
              if (!xhr2) {alert('Cannot create XMLHTTP instance');return false;}
               var parameters = 'action=getComments&user='+encodeURI(this.user[1])+'&user_id='+encodeURI(this.user[0])+'&guid='+encodeURI(ArticleID)+'&anchor_comment='+this.anchor_comment;
              xhr2.onreadystatechange = function(){
                  var commentBlock = $('pk_comments');

                    if(xhr2.readyState  == 4)
                    {
                        if(xhr2.status  == 200)
                        {
                            commentBlock.innerHTML = xhr2.responseText;
                            var e=document.getElementsByName("abuseelmts");
                            for(var i=0;i<e.length;i++)
                            {
                                abuse_part1 = e[i].innerHTML.split("ReportAbuse(");
                                comment_id = abuse_part1[1].split(");");
                                cookieabuse = community.getCookie('abuse'+comment_id[0].toString());
                                if (cookieabuse)
                                {
                                    var abuseSpan = $('abusespan_'+cookieabuse);
                                    abuseSpan.innerHTML = 'You have reported abuse on this comment.';
                                }
                            }
                            var url = window.location.toString().split('#');
                            if (url[1] != undefined)
                                window.location.href='#'+url[1];
                        }
                        else
                            commentBlock.innerHTML = "Error loading comments: "+xhr.status;
                    }
                    else
                    {
                           commentBlock.innerHTML =  "Loading....";
                    }
              }
              xhr2.open('POST', 'http://'+this.site_name+'/common/community_interface/communityAjax.php', true);
              xhr2.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
              xhr2.setRequestHeader("Content-length", parameters.length);
              xhr2.setRequestHeader("Connection", "close");
              xhr2.send(parameters);
        },
        alertLoadPReply: function ()
        {
            var ReplyForm = $('pk_commentForm');
            if(xhr.readyState  == 4)
            {
                if(xhr.status  == 200)
                {
                    ReplyForm.innerHTML = xhr.responseText;
                    $('SiteLife_Login').style.display = $('btnSubmitCommentDis').style.display = (community.user) ? 'none' : '';
                    $('SiteLife_Logout').style.display = $('btnSubmitComment').style.display = (community.user) ? '' : 'none';
                    $('SiteLife_Logout').innerHTML = "<p><span class='right'><a href='javascript:community.action(\"logout\")'>Logout</a></span>You are logged in as: <a href='"+community.persona_lnk+"'>"+community.user[1]+"</a></p>";
                    $('commentText').disabled = $('btnSubmitComment').disabled = !community.user;
                    $('btnSubmitCommentDis').disabled = community.user;
                    $('commentText').value = (community.user) ? '' : 'You are currently not logged in.\nYou must be logged in to leave a comment.';
                    $('commentText').style.width = ($('pk_commentForm').offsetWidth - 40)+"px";
                    window.location.href='#commentForm';
                }
                else
                    ReplyForm.innerHTML = "Error loading reply: "+xhr.status;
            }
            else
            {
                   ReplyForm.innerHTML =  "Loading...";
            }
        },
        LoadPReply: function(comment_id){
            var parameters = 'action=getReplyForm&user='+encodeURI(this.user[1])+'&guid='+encodeURI(ArticleID)+'&commentid='+encodeURI(comment_id);
            this.makePOSTRequest('http://'+this.site_name+'/common/community_interface/communityAjax.php', parameters, this.alertLoadPReply);
        },
        alertRecommendComment: function ()
        {
            if(xhr.readyState  == 4)
            {
                if(xhr.status  == 200)
                {
                    var mystr = xhr.responseText.replace(/\r|\n|\r\n/g, "").split("#");
                    //var recommendSpan = $('recommendspan_'+mystr[0]);
                    //recommendSpan.innerHTML = '<span class="pk_recommend">Recommend ('+mystr[1]+')</span> ';
                }
                else
                    recommendSpan.innerHTML = xhr.status;
            }
        },
        RecommendComment: function(comment_id){
                var recommendSpan = $('recommendspan_'+comment_id);
                if (recommendSpan.innerHTML.indexOf('</a>'))
                {
                    reco_part1 = recommendSpan.innerHTML.split("Recommend (");
                    nb_comments = reco_part1[1].split(")</a>");
                    recommendSpan.innerHTML = '<span class="pk_recommend">Recommend ('+(parseInt(nb_comments[0])+1)+')</span> ';
                    var parameters = 'action=RecommendComment&user_id='+encodeURI(this.user[0])+'&guid='+encodeURI(ArticleID)+'&commentid='+encodeURI(comment_id);
                    this.makePOSTRequest('http://'+this.site_name+'/common/community_interface/communityAjax.php', parameters, this.alertRecommendComment);
                }
        },
        alertRecommendAsset: function ()
        {
            if(xhr.readyState  == 4)
            {
                if(xhr.status  == 200)
                {
                    var recommendSpan = $('rec_asset_span');
                    recommendSpan.innerHTML = '<span class="pk_recommend">Recommended ('+xhr.responseText.replace(/\r|\n|\r\n/g, "")+')</span>';
                }
                else
                    $('rec_asset_span').innerHTML = xhr.status;
            }
        },
        Recommend: function(asset_guid){
                var parameters = '';
                if (asset_guid)
                    parameters = 'action=RecommendAsset&user_id='+encodeURI(this.user[0])+'&guid='+encodeURI(asset_guid);
                else
                    parameters = 'action=RecommendAsset&user_id='+encodeURI(this.user[0])+'&guid='+encodeURI(ArticleID);
                this.makePOSTRequest('http://'+this.site_name+'/common/community_interface/communityAjax.php', parameters, this.alertRecommendAsset);
        },
        RecommendEtc: function(asset_guid,nb){
                var host_url = document.URL.split('/');
                var recommendSpan = $('rec_asset_span_'+nb);
                if (recommendSpan.innerHTML.indexOf('</a>'))
                {
                    reco_part1 = recommendSpan.innerHTML.split("Recommend (");
                    nb_recommends = reco_part1[1].split(")</a>");
                    recommendSpan.innerHTML = '<span class="pk_recommend">Recommended ('+(parseInt(nb_recommends[0])+1)+')</span>';
			var xhr3 = new Ajax.Request('http://'+host_url[2]+'/common/community_interface/communityAjax.php', {
				parameters:{action:'RecommendAsset', user_id:encodeURI(this.user[0]), guid:encodeURI(asset_guid)},
				onSuccess: function(transport) {
                                        //var recommendSpan = $('rec_asset_span_'+nb);
                                        //recommendSpan.innerHTML = '<span class="pk_recommend">Recommended ('+transport.responseText.replace(/\r|\n|\r\n/g, "")+')</span>';    
                                    }});
                }
        },
        alertReportAbuse: function ()
        {
            if(xhr.readyState  == 4)
            {
                if(xhr.status  == 200)
                {
                    var abuseSpan = $('abusespan_'+xhr.responseText.replace(/\r|\n|\r\n/g, ""));
                    abuseSpan.innerHTML = 'You have reported abuse on this comment.';
                }
                else
                    $('abusespan_'+xhr.responseText.replace(/\r|\n|\r\n/g, "")).innerHTML = xhr.status;
            }
        },
        ReportAbuse: function(comment_id){
            if (!this.user)
                alert('You must be logged in to Report Abuse.');
            else
            {
                var parameters = 'action=ReportAbuse&user_id='+encodeURI(this.user[0])+'&guid='+encodeURI(ArticleID)+'&commentid='+encodeURI(comment_id);
                this.makePOSTRequest('http://'+this.site_name+'/common/community_interface/communityAjax.php', parameters, this.alertReportAbuse);
            }
        },
        alertPage: function ()
        {
            var commentBlock = $('commentbloc');
            if(xhr.readyState  == 4)
            {
                if(xhr.status  == 200)
                {
                    commentBlock.innerHTML = xhr.responseText;
                    window.location.href='#comments';
                }
                else
                    commentBlock.innerHTML = xhr.status;
            }
        },
        Page: function(page){
            if (window.section != undefined)
            {
                _hbPageView(page,section);
                refreshAds();
            }
			
            var parameters = 'action=getCommentsPage&user_id='+encodeURI(this.user[0])+'&guid='+encodeURI(ArticleID)+'&page='+page+'&sortby='+this.sortOrder;
            this.makePOSTRequest('http://'+this.site_name+'/common/community_interface/communityAjax.php', parameters, this.alertPage);
        },
        alertSortBy: function ()
        {
            var commentBlock = $('commentbloc');
            if(xhr.readyState  == 4)
            {
                if(xhr.status  == 200)
                {
                    commentBlock.innerHTML = xhr.responseText;
                }
                else
                    commentBlock.innerHTML = xhr.status;
            }
        },
        SortBy: function(sort_type){
            if (sort_type == "asc")
            {
                this.sortOrder = "asc";
                $('sortby').innerHTML = 'Sort by:<label><a href="javascript:community.SortBy(\'desc\');">Newest</a></label><label class="selected">Oldest</label><label><a href="javascript:community.SortBy(\'recommended\');">Recommended</a></label>';
            }
            else if (sort_type == "recommended")
            {
                this.sortOrder = "recommended";
                $('sortby').innerHTML = 'Sort by:<label><a href="javascript:community.SortBy(\'desc\');">Newest</a></label><label><a href="javascript:community.SortBy(\'asc\');">Oldest</a></label><label class="selected">Recommended</label>';
            }
            else
            {
                this.sortOrder = "desc";
                $('sortby').innerHTML = 'Sort by:<label class="selected">Newest</label><label><a href="javascript:community.SortBy(\'asc\');">Oldest</a></label><label><a href="javascript:community.SortBy(\'recommended\');">Recommended</a></label>';
            }
            var parameters = 'action=SortBy&user_id='+encodeURI(this.user[0])+'&guid='+encodeURI(ArticleID)+'&sortby='+sort_type;
            this.makePOSTRequest('http://'+this.site_name+'/common/community_interface/communityAjax.php', parameters, this.alertSortBy);
        },
        LoadComRec: function(){
		
            var host_url = document.URL.split('/');
			var xhr3 = new Ajax.Request('http://'+host_url[2]+'/common/community_interface/communityAjax.php', {
				parameters:{action:'getComRec', user:encodeURI(this.user[1]), user_id:encodeURI(this.user[0]), guid:encodeURI(ArticleID)},
				onSuccess: function(transport) { 
					$('pk_com_rec').innerHTML = transport.responseText; }});
				
           
        },
        LoadCommentForm: function(){
            var cform = new Element('div',{ 'id': 'pk_commentForm' });
			
			var host_url = document.URL.split('/');
			
			var xhr2 = new Ajax.Request('http://'+host_url[2]+'/common/community_interface/communityAjax.php', {
				parameters:{action:'getCommentForm', guid:encodeURI(ArticleID)},
				onSuccess: function(transport) { 
					cform.update(transport.responseText);
					$('pk_comments').parentNode.appendChild(cform);
					$('SiteLife_Login').style.display = $('btnSubmitCommentDis').style.display = (community.user) ? 'none' : '';
					$('SiteLife_Logout').style.display = $('btnSubmitComment').style.display = (community.user) ? '' : 'none';
					$('SiteLife_Logout').innerHTML = "<p><span class='right'><a href='javascript:community.action(\"logout\")'>Logout</a></span>You are logged in as: <a href='"+community.persona_lnk+"'>"+community.user[1]+"</a><div><p><b>Post your comment:</b></p></div></p>";
					$('commentText').disabled = $('btnSubmitComment').disabled = !community.user;
					$('btnSubmitCommentDis').disabled = community.user;
					$('commentText').value = (community.user) ? '' : 'You are currently not logged in.\nYou must be logged in to leave a comment.';
					$('commentText').style.width = ($('pk_commentForm').offsetWidth - 40)+"px"; }});
        }
        
});

communityclass.addMethods({
	ck_user: function(obj, bol){
		if($('user_error')){ $('user_error').remove(); }
		if($('input_note')){ $('input_note').remove(); }
		if($(obj).getValue())
		if(bol){
  			var url = 'http://'+this.site_name+'/common/community_interface/communityAjax.php';
			
  			var myRequest = new Ajax.Request(url, {
					 parameters:{userName:$(obj).getValue(), action:'CheckUsernameAvailability'}, 
					 onSuccess: function(r) { 
						if(r.responseText >= 1) {
							community.process_err($('user').parentNode, 'Sorry, the username you have requested is unavailable.');
							$('user').className = 'error';	
						}
						else {
							$('user').className = 'okdokay';
							community.process_ok($('user').parentNode, 'Your requested username is available.');
							var w_note = $('pk_register').select('div#pk_note')[0];
							w_note.className = '';
							w_note.innerHTML = '<p>To join the community, please complete the registration form below.  After that, we will send a confirmation email containing a validation link to the address you provide.  Check your inbox!</p>';
							}
						}});
		}
	},
	process_err: function(obj, error){
		try{
		var e = new Element('span',{ 'id': 'user_error','class':'error_msg' });
		obj.appendChild(e);
		$('user_error').update(error);
		}catch(e){ alert(e); }
						
	},
	process_ok:function(obj, note){
		try{
		var e = new Element('span',{ 'id': 'input_note','class':'okdokay' });
		obj.appendChild(e);
		$('input_note').update(note);
		}catch(e){ alert(e); }
						
	}
});
	
communityclass.addMethods({
	autoLog: function(str){
		//// returned from cookie monster ////
		var arg = str.split(",");
		this.setCookie(this.cookieKey, arg[0],arg[1],arg[2],arg[3],arg[4]);
	},
	getCookie: function(ck){
		var arrCookies = this.cookieJar(ck);
		var strValue = arrCookies ? arrCookies[1] : false;
		return strValue;
	},
	setCookie: function(){
		var arg 		= $A(arguments);
		var key 		= arg.shift();
		var datearray 	= this.cookieExpDate.split("-");
		if(this.keeplogged){
      		var expdate 	= new Date(datearray[0], datearray[1], datearray[2]);
			document.cookie = key + "=" +arg.join('|') + ";expires="+expdate+";path=/;";
		}else{
			document.cookie = key + "=" +arg.join('|') + ";path=/;";
		}
		if(key == this.cookieKey){
			this.user = arg;
			this.setModules();
		}
	},
	eatCookies: function(ck){ // no more cookie
		var strValue = this.getCookie(ck);
		if(strValue){
			dtYesterday=new Date();
			dtYesterday.setDate(dtYesterday.getDate()-10);
                        
                        var parameters = 'action=DeleteCookies';
                        this.makePOSTRequest('http://'+this.site_name+'/common/community_interface/communityAjax.php', parameters, function(){});
            
			document.cookie = ck + "=;" + "path=/" + ";domain=.livescience.com"  + ";expires=" + dtYesterday.toGMTString();
                        document.cookie = ck + "=;" + "path=/" + ";expires=" + dtYesterday.toGMTString();
                        
		}
		this.callCookieMonster('clearSSO','livescience.com');
		this.user = false;
		setTimeout( function(){ window.location.href = document.URL; } , 1000);
	},
	cookieJar: function(ck){ // gather cookies
            
		var cookies = document.cookie.split(";");
		var aCookie = [];
		try{
			cookies.each(function(c){ var t = c.strip().split("=");
				if(t[0]==ck){ if (t[1].indexOf('avatar') && typeof(t[2]) != "undefined") {t[1] = t[1]+'='+t[2];} var s = unescape(t[1]); t[1] = s.split("|"); aCookie.push(t)}});
		} catch(err) { alert(err) }
		return aCookie.grep(ck)[0];
	},
	callCookieMonster: function(){
		var qs;
		if (arguments.length != 0){
			qs = 'functionName=' + escape(arguments[0]);
			if (arguments.length > 1){
				var justArgs = new Array();
				for (var i = 1; i < arguments.length; ++i) {
					qs += ('&d' + (i-1) + "=" + escape(arguments[i]));
				}
			}
		}
		var divName = $('om_nomnom');
		if(!divName){
			var divName = new Element('div',{ 'id': 'om_nomnom' });
			this.objBody.appendChild(divName);
		} 
		//this.FO.setFlashvars(qs);
		//divName.innerHTML = this.FO.toString();
		this.setModules();
	}
});