X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=functions.js;h=f3ae1965ebf8cb76fc19e18052da4f21d97fe4c6;hb=5c7c7da9e12134ae2c4be1f60823e5440015f0ca;hp=7f9f1d21e352074278db64338974af997aeb3eaf;hpb=e176b01ade29842d602eb8d1f362807f74ab6019;p=tt-rss.git

diff --git a/functions.js b/functions.js
index 7f9f1d21..f3ae1965 100644
--- a/functions.js
+++ b/functions.js
@@ -1,8 +1,8 @@
 var hotkeys_enabled = true;
-var xmlhttp_rpc = Ajax.getTransport();
 var notify_silent = false;
 var last_progress_point = 0;
 var async_counters_work = false;
+var sanity_check_done = false;
 
 /* add method to remove element from array */
 
@@ -12,11 +12,59 @@ Array.prototype.remove = function(s) {
 	}
 }
 
-function is_opera() {
-	return window.opera;
+/* create console.log if it doesn't exist */
+
+if (!window.console) console = {};
+console.log = console.log || function(msg) { };
+console.warn = console.warn || function(msg) { };
+console.error = console.error || function(msg) { };
+
+function exception_error(location, e, ext_info) {
+	var msg = format_exception_error(location, e);
+
+	if (!ext_info) ext_info = false;
+
+	disableHotkeys();
+
+	try {
+
+		var ebc = $("xebContent");
+	
+		if (ebc) {
+	
+			Element.show("dialog_overlay");
+			Element.show("errorBoxShadow");
+	
+			if (ext_info) {
+				if (ext_info.responseText) {
+					ext_info = ext_info.responseText;
+				}
+			}
+	
+			ebc.innerHTML = 
+				"<div><b>Error message:</b></div>" +
+				"<pre>" + msg + "</pre>";
+
+			if (ext_info) {
+				ebc.innerHTML += "<div><b>Additional information:</b></div>" +
+				"<textarea readonly=\"1\">" + ext_info + "</textarea>";
+			}
+
+			ebc.innerHTML += "<div><b>Stack trace:</b></div>" +
+				"<textarea readonly=\"1\">" + e.stack + "</textarea>";
+	
+		} else {
+			alert(msg);
+		}
+
+	} catch (e) {
+		alert(msg);
+
+	}
+
 }
 
-function exception_error(location, e, silent) {
+function format_exception_error(location, e) {
 	var msg;
 
 	if (e.fileName) {
@@ -32,13 +80,12 @@ function exception_error(location, e, silent) {
 		msg = "Exception: " + e + "\nFunction: " + location + "()";
 	}
 
-	debug("<b>EXCEPTION: " + msg + "</b>");
+	console.error("EXCEPTION: " + msg);
 
-	if (!silent) {
-		alert(msg);
-	}
+	return msg;
 }
 
+
 function disableHotkeys() {
 	hotkeys_enabled = false;
 }
@@ -47,48 +94,6 @@ function enableHotkeys() {
 	hotkeys_enabled = true;
 }
 
-function xmlhttp_ready(obj) {
-	return obj.readyState == 4 || obj.readyState == 0 || !obj.readyState;
-}
-
-function open_article_callback(transport) {
-	try {
-
-		if (transport.responseXML) {
-			
-			var link = transport.responseXML.getElementsByTagName("link")[0];
-			var id = transport.responseXML.getElementsByTagName("id")[0];
-
-			debug("open_article_callback, received link: " + link);
-
-			if (link && id) {
-
-				var wname = "ttrss_article_" + id.firstChild.nodeValue;
-
-				debug("link url: " + link.firstChild.nodeValue + ", wname " + wname);
-
-				var w = window.open(link.firstChild.nodeValue, wname);
-
-				if (!w) { notify_error("Failed to load article in new window"); }
-
-				if (id) {
-					id = id.firstChild.nodeValue;
-					if (!document.getElementById("headlinesList")) {
-						window.setTimeout("toggleUnread(" + id + ", 0)", 100);
-					}
-				}
-			} else {
-				notify_error("Can't open article: received invalid article link");
-			}
-		} else {
-			notify_error("Can't open article: received invalid XML");
-		}
-
-	} catch (e) {
-		exception_error("open_article_callback", e);
-	}
-}
-
 function param_escape(arg) {
 	if (typeof encodeURIComponent != 'undefined')
 		return encodeURIComponent(arg);	
@@ -115,7 +120,7 @@ function delay(gap) {
 var notify_hide_timerid = false;
 
 function hide_notify() {
-	var n = document.getElementById("notify");
+	var n = $("notify");
 	if (n) {
 		n.style.display = "none";
 	}
@@ -132,8 +137,8 @@ function notify_real(msg, no_hide, n_type) {
 		return;
 	}
 
-	var n = document.getElementById("notify");
-	var nb = document.getElementById("notify_body");
+	var n = $("notify");
+	var nb = $("notify_body");
 
 	if (!n || !nb) return;
 
@@ -167,13 +172,13 @@ function notify_real(msg, no_hide, n_type) {
 		n.className = "notify";
 	} else if (n_type == 2) {
 		n.className = "notifyProgress";
-		msg = "<img src='images/indicator_white.gif'> " + msg;
+		msg = "<img src='"+getInitParam("sign_progress")+"'> " + msg;
 	} else if (n_type == 3) {
 		n.className = "notifyError";
-		msg = "<img src='images/sign_excl.gif'> " + msg;
+		msg = "<img src='"+getInitParam("sign_excl")+"'> " + msg;
 	} else if (n_type == 4) {
 		n.className = "notifyInfo";
-		msg = "<img src='images/sign_info.gif'> " + msg;
+		msg = "<img src='"+getInitParam("sign_info")+"'> " + msg;
 	}
 
 //	msg = "<img src='images/live_com_loading.gif'> " + msg;
@@ -207,7 +212,7 @@ function printLockingError() {
 }
 
 function cleanSelected(element) {
-	var content = document.getElementById(element);
+	var content = $(element);
 
 	for (i = 0; i < content.rows.length; i++) {
 		content.rows[i].className = content.rows[i].className.replace("Selected", "");
@@ -215,7 +220,7 @@ function cleanSelected(element) {
 }
 
 function getVisibleUnreadHeadlines() {
-	var content = document.getElementById("headlinesList");
+	var content = $("headlinesList");
 
 	var rows = new Array();
 
@@ -232,7 +237,7 @@ function getVisibleUnreadHeadlines() {
 
 function getVisibleHeadlineIds() {
 
-	var content = document.getElementById("headlinesList");
+	var content = $("headlinesList");
 
 	var rows = new Array();
 
@@ -268,7 +273,7 @@ function getLastVisibleHeadlineId() {
 }
 
 function markHeadline(id) {
-	var row = document.getElementById("RROW-" + id);
+	var row = $("RROW-" + id);
 	if (row) {
 		var is_active = false;
 	
@@ -283,7 +288,7 @@ function markHeadline(id) {
 			row.className = row.className = "Active";
 		}
 		
-		var check = document.getElementById("RCHK-" + id);
+		var check = $("RCHK-" + id);
 
 		if (check) {
 			check.checked = true;
@@ -295,7 +300,7 @@ function markHeadline(id) {
 }
 
 function getFeedIds() {
-	var content = document.getElementById("feedsList");
+	var content = $("feedsList");
 
 	var rows = new Array();
 
@@ -318,7 +323,7 @@ function setCookie(name, value, lifetime, path, domain, secure) {
 		d.setTime(d.getTime() + (lifetime * 1000));
 	}
 
-	debug("setCookie: " + name + " => " + value + ": " + d);
+	console.log("setCookie: " + name + " => " + value + ": " + d);
 	
 	int_setCookie(name, value, d, path, domain, secure);
 
@@ -361,39 +366,6 @@ function getCookie(name) {
 	return unescape(dc.substring(begin + prefix.length, end));
 }
 
-function disableContainerChildren(id, disable, doc) {
-
-	if (!doc) doc = document;
-
-	var container = doc.getElementById(id);
-
-	if (!container) {
-		//alert("disableContainerChildren: element " + id + " not found");
-		return;
-	}
-
-	for (var i = 0; i < container.childNodes.length; i++) {
-		var child = container.childNodes[i];
-
-		try {
-			child.disabled = disable;
-		} catch (E) {
-
-		}
-
-		if (disable) {
-			if (child.className && child.className.match("button")) {
-				child.className = "disabledButton";
-			}
-		} else {
-			if (child.className && child.className.match("disabledButton")) {
-				child.className = "button";
-			}
-		} 
-	}
-
-}
-
 function gotoPreferences() {
 	document.location.href = "prefs.php";
 }
@@ -406,49 +378,30 @@ function gotoExportOpml() {
 	document.location.href = "opml.php?op=Export";
 }
 
-function getActiveFeedId() {
-//	return getCookie("ttrss_vf_actfeed");
-	try {
-		debug("gAFID: " + active_feed_id);
-		return active_feed_id;
-	} catch (e) {
-		exception_error("getActiveFeedId", e);
-	}
-}
-
-function activeFeedIsCat() {
-	return active_feed_is_cat;
-}
-
-function setActiveFeedId(id) {
-//	return setCookie("ttrss_vf_actfeed", id);
-	try {
-		debug("sAFID(" + id + ")");
-		active_feed_id = id;
-	} catch (e) {
-		exception_error("setActiveFeedId", e);
-	}
-}
-
 function parse_counters(reply, scheduled_call) {
 	try {
 
 		var feeds_found = 0;
 
-		var elems = reply.getElementsByTagName("counter");
+		var elems = JSON.parse(reply.firstChild.nodeValue);
 
 		for (var l = 0; l < elems.length; l++) {
 
-			var id = elems[l].getAttribute("id");
-			var t = elems[l].getAttribute("type");
-			var ctr = elems[l].getAttribute("counter");
-			var error = elems[l].getAttribute("error");
-			var has_img = elems[l].getAttribute("hi");
-			var updated = elems[l].getAttribute("updated");
-			var title = elems[l].getAttribute("title");
-			var xmsg = elems[l].getAttribute("xmsg");
+			var id = elems[l].id
+			var kind = elems[l].kind;
+			var ctr = parseInt(elems[l].counter)
+			var error = elems[l].error;
+			var has_img = elems[l].has_img;
+			var updated = elems[l].updated;
+			var title = elems[l].title;
+			var xmsg = elems[l].xmsg;
 	
 			if (id == "global-unread") {
+
+				if (ctr > global_unread) {
+					offlineDownloadStart(1);
+				}
+
 				global_unread = ctr;
 				updateTitle();
 				continue;
@@ -459,8 +412,8 @@ function parse_counters(reply, scheduled_call) {
 				continue;
 			}
 	
-			if (t == "category") {
-				var catctr = document.getElementById("FCATCTR-" + id);
+			if (kind && kind == "cat") {
+				var catctr = $("FCATCTR-" + id);
 				if (catctr) {
 					catctr.innerHTML = "(" + ctr + ")";
 					if (ctr > 0) {
@@ -472,12 +425,12 @@ function parse_counters(reply, scheduled_call) {
 				continue;
 			}
 		
-			var feedctr = document.getElementById("FEEDCTR-" + id);
-			var feedu = document.getElementById("FEEDU-" + id);
-			var feedr = document.getElementById("FEEDR-" + id);
-			var feed_img = document.getElementById("FIMG-" + id);
-			var feedlink = document.getElementById("FEEDL-" + id);
-			var feedupd = document.getElementById("FLUPD-" + id);
+			var feedctr = $("FEEDCTR-" + id);
+			var feedu = $("FEEDU-" + id);
+			var feedr = $("FEEDR-" + id);
+			var feed_img = $("FIMG-" + id);
+			var feedlink = $("FEEDL-" + id);
+			var feedupd = $("FLUPD-" + id);
 
 			if (updated && feedlink) {
 				if (error) {
@@ -507,7 +460,7 @@ function parse_counters(reply, scheduled_call) {
 
 			if (has_img && feed_img) {
 				if (!feed_img.src.match(id + ".ico")) {
-					feed_img.src = getInitParam("icons_location") + "/" + id + ".ico";
+					feed_img.src = getInitParam("icons_url") + "/" + id + ".ico";
 				}
 			}
 
@@ -517,8 +470,11 @@ function parse_counters(reply, scheduled_call) {
 
 			if (feedctr && feedu && feedr) {
 
-				if (feedu.innerHTML != ctr && id == getActiveFeedId() && scheduled_call) {
-					viewCurrentFeed();
+				if (parseInt(ctr) > 0 && 
+						parseInt(feedu.innerHTML) < parseInt(ctr) && 
+						id == getActiveFeedId() && scheduled_call) {
+
+					displayNewContentPrompt(id);
 				}
 
 				var row_needs_hl = (ctr > 0 && ctr > parseInt(feedu.innerHTML));
@@ -532,7 +488,7 @@ function parse_counters(reply, scheduled_call) {
 				}
 	
 				if (ctr > 0) {					
-					feedctr.className = "odd";
+					feedctr.className = "feedCtrHasUnread";
 					if (!feedr.className.match("Unread")) {
 						var is_selected = feedr.className.match("Selected");
 		
@@ -547,12 +503,15 @@ function parse_counters(reply, scheduled_call) {
 						
 					}
 
-					if (row_needs_hl) { 
+					if (row_needs_hl && 
+							!getInitParam("theme_options").match('no_highlights')) { 
 						new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5",
 							queue: { position:'end', scope: 'EFQ-' + id, limit: 1 } } );
+
+						cache_invalidate("F:" + id);
 					}
 				} else {
-					feedctr.className = "invisible";
+					feedctr.className = "feedCtrNoUnread";
 					feedr.className = feedr.className.replace("Unread", "");
 				}			
 			}
@@ -562,15 +521,21 @@ function parse_counters(reply, scheduled_call) {
 
 		var feeds_stored = number_of_feeds;
 
-		debug("Feed counters, C: " + feeds_found + ", S:" + feeds_stored);
+		console.log("Feed counters, C: " + feeds_found + ", S:" + feeds_stored);
 
 		if (feeds_stored != feeds_found) {
 			number_of_feeds = feeds_found;
 
 			if (feeds_stored != 0 && feeds_found != 0) {
-				debug("Subscribed feed number changed, refreshing feedlist");
+				console.log("Subscribed feed number changed, refreshing feedlist");
 				setTimeout('updateFeedList(false, false)', 50);
 			}
+		} else {
+/*			var fl = $("feeds-frame").innerHTML;
+			if (fl) {
+				cache_invalidate("FEEDLIST");
+				cache_inject("FEEDLIST", fl, getInitParam("num_feeds"));
+			} */
 		}
 
 	} catch (e) {
@@ -592,32 +557,18 @@ function parse_counters_reply(transport, scheduled_call) {
 		updateTitle("");
 		return;
 	} 
-	
-	var error_code = false;
-	var error_msg = false;
-
-	if (reply.firstChild) {
-		error_code = reply.firstChild.getAttribute("error-code");
-		error_msg = reply.firstChild.getAttribute("error-msg");
-	}
 
-	if (!error_code) {	
-		error_code = reply.getAttribute("error-code");
-		error_msg = reply.getAttribute("error-msg");
-	}
-	
-	if (error_code && error_code != 0) {
-		debug("refetch_callback: got error code " + error_code);
-		return fatalError(error_code, error_msg);
-	}
+	if (!transport_error_check(transport)) return;
 
 	var counters = reply.getElementsByTagName("counters")[0];
 	
-	parse_counters(counters, scheduled_call);
+	if (counters)
+		parse_counters(counters, scheduled_call);
 
 	var runtime_info = reply.getElementsByTagName("runtime-info")[0];
 
-	parse_runtime_info(runtime_info);
+	if (runtime_info)
+		parse_runtime_info(runtime_info);
 
 	if (feedsSortByUnread()) {
 		resort_feedlist();
@@ -630,33 +581,30 @@ function parse_counters_reply(transport, scheduled_call) {
 function all_counters_callback2(transport, async_call) {
 	try {
 		if (async_call) async_counters_work = true;
+		if (offline_mode) return;
 
-		debug("<b>all_counters_callback2 IN: " + transport + "</b>");
 		parse_counters_reply(transport);
-		debug("<b>all_counters_callback2 OUT: " + transport + "</b>");
 
 	} catch (e) {
-		exception_error("all_counters_callback2", e);
+		exception_error("all_counters_callback2", e, transport);
 	}
 }
 
 function get_feed_unread(id) {
 	try {
-		return parseInt(document.getElementById("FEEDU-" + id).innerHTML);	
+		return parseInt($("FEEDU-" + id).innerHTML);	
 	} catch (e) {
-		exception_error("get_feed_unread", e, true);
 		return -1;
 	}
 }
 
 function get_cat_unread(id) {
 	try {
-		var ctr = document.getElementById("FCATCTR-" + id).innerHTML;
+		var ctr = $("FCATCTR-" + id).innerHTML;
 		ctr = ctr.replace("(", "");
 		ctr = ctr.replace(")", "");
 		return parseInt(ctr);
 	} catch (e) {
-		exception_error("get_feed_unread", e, true);
 		return -1;
 	}
 }
@@ -670,7 +618,7 @@ function get_feed_entry_unread(elem) {
 	}
 
 	try {
-		return parseInt(document.getElementById("FEEDU-" + id).innerHTML);	
+		return parseInt($("FEEDU-" + id).innerHTML);	
 	} catch (e) {
 		return -1;
 	}
@@ -682,11 +630,11 @@ function get_feed_entry_name(elem) {
 }
 
 
-function resort_category(node) {
+function resort_category(node, cat_mode) {
 
 	try {
 
-		debug("resort_category: " + node);
+		console.log("resort_category: " + node + " CM=" + cat_mode);
 	
 		var by_unread = feedsSortByUnread();
 	
@@ -701,8 +649,11 @@ function resort_category(node) {
 	
 				var tmp_name = get_feed_entry_name(list[i]);
 				var cur_name = get_feed_entry_name(list[j]);
-	
-				if ((by_unread && (cur_val > tmp_val)) || (!by_unread && (cur_name < tmp_name))) {
+
+				var valid_pair = cat_mode || (list[i].id.match(/FEEDR-[0-9]/) &&
+						list[j].id.match(/FEEDR-[0-9]/));
+
+				if (valid_pair && ((by_unread && (cur_val > tmp_val)) || (!by_unread && (cur_name < tmp_name)))) {
 					tempnode_i = list[i].cloneNode(true);
 					tempnode_j = list[j].cloneNode(true);
 					node.replaceChild(tempnode_i, list[j]);
@@ -718,20 +669,20 @@ function resort_category(node) {
 }
 
 function resort_feedlist() {
-	debug("resort_feedlist");
+	console.log("resort_feedlist");
 
-	if (document.getElementById("FCATLIST--1")) {
+	if ($("FCATLIST--1")) {
 
 		var lists = document.getElementsByTagName("UL");
 
 		for (var i = 0; i < lists.length; i++) {
 			if (lists[i].id && lists[i].id.match("FCATLIST-")) {
-				resort_category(lists[i]);
+				resort_category(lists[i], true);
 			}
 		}
 
 	} else {
-		resort_category(document.getElementById("feedList"));
+		resort_category($("feedList"), false);
 	}
 }
 
@@ -773,9 +724,9 @@ function hideOrShowFeeds(hide) {
 
 	try {
 
-	debug("hideOrShowFeeds: " + hide);
+	console.log("hideOrShowFeeds: " + hide);
 
-	if (document.getElementById("FCATLIST--1")) {
+	if ($("FCATLIST--1")) {
 
 		var lists = document.getElementsByTagName("UL");
 
@@ -804,22 +755,22 @@ function hideOrShowFeedsCategory(id, hide) {
 		var cat_node = null;
 
 		if (id) {
-			node = document.getElementById("FCATLIST-" + id);
-			cat_node = document.getElementById("FCAT-" + id);
+			node = $("FCATLIST-" + id);
+			cat_node = $("FCAT-" + id);
 		} else {
-			node = document.getElementById("feedList"); // no categories
+			node = $("feedList"); // no categories
 		}
 
-	//	debug("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
+	//	console.log("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
 	
 		var cat_unread = 0;
 	
 		if (!node) {
-			debug("hideOrShowFeeds: passed node is null, aborting");
+			console.log("hideOrShowFeeds: passed node is null, aborting");
 			return;
 		}
 	
-	//	debug("cat: " + node.id);
+	//	console.log("cat: " + node.id);
 	
 		if (node.hasChildNodes() && node.firstChild.nextSibling != false) {  
 			for (i = 0; i < node.childNodes.length; i++) {
@@ -834,7 +785,7 @@ function hideOrShowFeedsCategory(id, hide) {
 						node.childNodes[i].className != "error" && 
 						node.childNodes[i].className != "tag");
 		
-	//				debug(node.childNodes[i].id + " --> " + has_unread);
+	//				console.log(node.childNodes[i].id + " --> " + has_unread);
 		
 					if (hide && !has_unread) {
 						//node.childNodes[i].style.display = "none";
@@ -858,30 +809,33 @@ function hideOrShowFeedsCategory(id, hide) {
 			}
 		}	
 	
-	//	debug("end cat: " + node.id + " unread " + cat_unread);
-	
-		if (cat_unread == 0) {
-			if (cat_node.style == undefined) {
-				debug("ERROR: supplied cat_node " + cat_node + 
-					" has no styles. WTF?");
-				return;
-			}
-			if (hide) {
-				//cat_node.style.display = "none";
-				Effect.Fade(cat_node, {duration : 0.3, 
-					queue: { position: 'end', scope: 'CFADE-' + node.id, limit: 1 }});
+	//	console.log("end cat: " + node.id + " unread " + cat_unread);
+
+		if (cat_node) {
+
+			if (cat_unread == 0) {
+				if (cat_node.style == undefined) {
+					console.log("ERROR: supplied cat_node " + cat_node + 
+						" has no styles. WTF?");
+					return;
+				}
+				if (hide) {
+					//cat_node.style.display = "none";
+					Effect.Fade(cat_node, {duration : 0.3, 
+						queue: { position: 'end', scope: 'CFADE-' + node.id, limit: 1 }});
+				} else {
+					cat_node.style.display = "list-item";
+				}
 			} else {
-				cat_node.style.display = "list-item";
-			}
-		} else {
-			try {
-				cat_node.style.display = "list-item";
-			} catch (e) {
-				debug(e);
+				try {
+					cat_node.style.display = "list-item";
+				} catch (e) {
+					console.log(e);
+				}
 			}
 		}
 
-//	debug("unread for category: " + cat_unread);
+//	console.log("unread for category: " + cat_unread);
 
 	} catch (e) {
 		exception_error("hideOrShowFeedsCategory", e);
@@ -900,13 +854,13 @@ function selectTableRowById(elem_id, check_id, do_select) {
 
 	try {
 
-		var row = document.getElementById(elem_id);
+		var row = $(elem_id);
 
 		if (row) {
 			selectTableRow(row, do_select);
 		}		
 
-		var check = document.getElementById(check_id);
+		var check = $(check_id);
 
 		if (check) {
 			check.checked = do_select;
@@ -919,10 +873,10 @@ function selectTableRowById(elem_id, check_id, do_select) {
 function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select, 
 	classcheck, reset_others) {
 
-	var content = document.getElementById(content_id);
+	var content = $(content_id);
 
 	if (!content) {
-		alert("[selectTableRows] Element " + content_id + " not found.");
+		console.log("[selectTableRows] Element " + content_id + " not found.");
 		return;
 	}
 
@@ -934,7 +888,7 @@ function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
 					selectTableRow(content.rows[i], do_select);
 				
 					var row_id = content.rows[i].id.replace(prefix, "");
-					var check = document.getElementById(check_prefix + row_id);
+					var check = $(check_prefix + row_id);
 	
 					if (check) {
 						check.checked = do_select;
@@ -943,7 +897,7 @@ function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
 					selectTableRow(content.rows[i], false);
 	
 					var row_id = content.rows[i].id.replace(prefix, "");
-					var check = document.getElementById(check_prefix + row_id);
+					var check = $(check_prefix + row_id);
 	
 					if (check) {
 						check.checked = false;
@@ -954,7 +908,7 @@ function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
 				selectTableRow(content.rows[i], false);
 	
 				var row_id = content.rows[i].id.replace(prefix, "");
-				var check = document.getElementById(check_prefix + row_id);
+				var check = $(check_prefix + row_id);
 	
 				if (check) {
 					check.checked = false;
@@ -967,11 +921,11 @@ function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
 
 function getSelectedTableRowIds(content_id, prefix) {
 
-	var content = document.getElementById(content_id);
+	var content = $(content_id);
 
 	if (!content) {
-		alert("[getSelectedTableRowIds] Element " + content_id + " not found.");
-		return;
+		console.log("[getSelectedTableRowIds] Element " + content_id + " not found.");
+		return new Array();
 	}
 
 	var sel_rows = new Array();
@@ -990,7 +944,7 @@ function getSelectedTableRowIds(content_id, prefix) {
 }
 
 function toggleSelectRowById(sender, id) {
-	var row = document.getElementById(id);
+	var row = $(id);
 
 	if (sender.checked) {
 		if (!row.className.match("Selected")) {
@@ -1035,13 +989,47 @@ function toggleSelectRow(sender) {
 	}
 }
 
+function getNextUnreadCat(id) {
+	try {
+		var rows = $("feedList").getElementsByTagName("LI");
+		var feeds = new Array();
+
+		var unread_only = true;
+		var is_cat = true;
+
+		for (var i = 0; i < rows.length; i++) {
+			if (rows[i].id.match("FCAT-")) {
+				if (rows[i].id == "FCAT-" + id && is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
+
+					var cat_id = parseInt(rows[i].id.replace("FCAT-", ""));
+
+					if (cat_id >= 0) {
+						if (!unread_only || get_cat_unread(cat_id) > 0) {
+							feeds.push(cat_id);
+						}
+					}
+				}
+			}
+		}
+
+		var idx = feeds.indexOf(id);
+		if (idx != -1 && idx < feeds.length) {
+			return feeds[idx+1];					
+		} else {
+			return feeds.shift();
+		}
+
+	} catch (e) {
+		exception_error("getNextUnreadCat", e);
+	}
+}
 
 function getRelativeFeedId2(id, is_cat, direction, unread_only) {	
 	try {
 
 //		alert(id + " IC: " + is_cat + " D: " + direction + " U: " + unread_only);
 
-		var rows = document.getElementById("feedList").getElementsByTagName("LI");
+		var rows = $("feedList").getElementsByTagName("LI");
 		var feeds = new Array();
 	
 		for (var i = 0; i < rows.length; i++) {
@@ -1104,71 +1092,6 @@ function getRelativeFeedId2(id, is_cat, direction, unread_only) {
 	}
 }
 
-
-function getRelativeFeedId(list, id, direction, unread_only) {	
-	var rows = list.getElementsByTagName("LI");
-	var feeds = new Array();
-
-	for (var i = 0; i < rows.length; i++) {
-		if (rows[i].id.match("FEEDR-")) {
-
-			if (rows[i].id == "FEEDR-" + id || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
-
-				if (!unread_only || 
-						(rows[i].className.match("Unread") || rows[i].id == "FEEDR-" + id)) {
-					feeds.push(rows[i].id.replace("FEEDR-", ""));
-				}
-			}
-		}
-	}
-
-	if (!id) {
-		if (direction == "next") {
-			return feeds.shift();
-		} else {
-			return feeds.pop();
-		}
-	} else {
-		if (direction == "next") {
-			var idx = feeds.indexOf(id);
-			if (idx != -1 && idx < feeds.length) {
-				return feeds[idx+1];					
-			} else {
-				return getRelativeFeedId(list, false, direction, unread_only);
-			}
-		} else {
-			var idx = feeds.indexOf(id);
-			if (idx > 0) {
-				return feeds[idx-1];
-			} else {
-				return getRelativeFeedId(list, false, direction, unread_only);
-			}
-		}
-
-	}
-}
-
-function showBlockElement(id, h_id) {
-	var elem = document.getElementById(id);
-
-	if (elem) {
-		elem.style.display = "block";
-
-		if (h_id) {
-			elem = document.getElementById(h_id);
-			if (elem) {
-				elem.style.display = "none";
-			}
-		}
-	} else {
-		alert("[showBlockElement] can't find element with id " + id);
-	} 
-}
-
-function appearBlockElement_afh(effect) {
-
-}
-
 function checkboxToggleElement(elem, id) {
 	if (elem.checked) {
 		Effect.Appear(id, {duration : 0.5});
@@ -1177,23 +1100,6 @@ function checkboxToggleElement(elem, id) {
 	}
 }
 
-function appearBlockElement(id, h_id) {
-
-	try {
-		if (h_id) {
-			Effect.Fade(h_id);
-		}
-		Effect.SlideDown(id, {duration : 1.0, afterFinish: appearBlockElement_afh});
-	} catch (e) {
-		exception_error("appearBlockElement", e);
-	}
-
-}
-
-function hideParentElement(e) {
-	e.parentNode.style.display = "none";
-}
-
 function dropboxSelect(e, v) {
 	for (i = 0; i < e.length; i++) {
 		if (e[i].value == v) {
@@ -1233,39 +1139,59 @@ function leading_zero(p) {
 	return s;
 }
 
-function closeInfoBox(cleanup) {
+function make_timestamp() {
+	var d = new Date();
+
+  	return leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
+			":" + leading_zero(d.getSeconds());
+}
 
-	Element.hide("dialog_overlay");
 
-	var box = document.getElementById('infoBox');
-	var shadow = document.getElementById('infoBoxShadow');
+function closeErrorBox() {
 
-	if (shadow) {
-		shadow.style.display = "none";
-	} else if (box) {
-		box.style.display = "none";
+	if (Element.visible("errorBoxShadow")) {
+		Element.hide("dialog_overlay");
+		Element.hide("errorBoxShadow");
+
+		enableHotkeys();
 	}
 
-	if (cleanup) box.innerHTML = "&nbsp;";
+	return false;
+}
+
+function closeInfoBox(cleanup) {
+
+	try {
+		enableHotkeys();
 
-	enableHotkeys();
+		if (Element.visible("infoBoxShadow")) {
+			Element.hide("dialog_overlay");
+			Element.hide("infoBoxShadow");
 
+			if (cleanup) $("infoBox").innerHTML = "&nbsp;";
+		}
+	} catch (e) {
+		exception_error("closeInfoBox", e);
+	}
+	
 	return false;
 }
 
 
-function displayDlg(id, param) {
+function displayDlg(id, param, callback) {
 
 	notify_progress("Loading, please wait...", true);
 
 	disableHotkeys();
 
-	var query = "backend.php?op=dlg&id=" +
+	var query = "?op=dlg&id=" +
 		param_escape(id) + "&param=" + param_escape(param);
 
-	new Ajax.Request(query, {
+	new Ajax.Request("backend.php", {
+		parameters: query,
 		onComplete: function (transport) {
 			infobox_callback2(transport);
+			if (callback) callback(transport);
 		} });
 
 	return false;
@@ -1289,30 +1215,21 @@ function infobox_submit_callback2(transport) {
 function infobox_callback2(transport) {
 	try {
 
-		debug("infobox_callback2");
-
-		if (!getInitParam("infobox_disable_overlay")) {
-			Element.show("dialog_overlay");
-		}
+		console.log("infobox_callback2");
 
-		var box = document.getElementById('infoBox');
-		var shadow = document.getElementById('infoBoxShadow');
+		var box = $('infoBox');
+		
 		if (box) {			
 
-			box.innerHTML=transport.responseText;			
-			if (shadow) {
-				shadow.style.display = "block";
-			} else {
-				box.style.display = "block";				
+			if (!getInitParam("infobox_disable_overlay")) {
+				Element.show("dialog_overlay");
 			}
-		}
 
-		/* FIXME this needs to be moved out somewhere */
+			box.innerHTML=transport.responseText;			
+			Element.show("infoBoxShadow");
+			//Effect.SlideDown("infoBoxShadow", {duration : 1.0});
+
 
-		if (document.getElementById("tags_choices")) {
-			new Ajax.Autocompleter('tags_str', 'tags_choices',
-				"backend.php?op=rpc&subop=completeTags",
-				{ tokens: ',', paramName: "search" });
 		}
 
 		disableHotkeys();
@@ -1354,20 +1271,14 @@ function createFilter() {
 	}
 }
 
-function toggleSubmitNotEmpty(e, submit_id) {
-	try {
-		document.getElementById(submit_id).disabled = (e.value == "")
-	} catch (e) {
-		exception_error("toggleSubmitNotEmpty", e);
-	}
-}
-
 function isValidURL(s) {
 	return s.match("http://") != null || s.match("https://") != null || s.match("feed://") != null;
 }
 
 function subscribeToFeed() {
 
+	try {
+
 	var form = document.forms['feed_add_form'];
 	var feed_url = form.feed_url.value;
 
@@ -1378,22 +1289,49 @@ function subscribeToFeed() {
 
 	notify_progress(__("Subscribing to feed..."), true);
 
-	closeInfoBox();
-
-	var feeds_doc = document;
-
-//	feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
-	
 	var query = Form.serialize("feed_add_form");
 	
-	debug("subscribe q: " + query);
+	console.log("subscribe q: " + query);
+
+	Form.disable("feed_add_form");
 
 	new Ajax.Request("backend.php", {
 		parameters: query,
 		onComplete: function(transport) { 
-			dlg_frefresh_callback(transport); 
+			//dlg_frefresh_callback(transport); 
+
+			notify('');
+
+			var result = transport.responseXML.getElementsByTagName('result')[0];
+			var rc = parseInt(result.getAttribute('code'));
+
+			Form.enable("feed_add_form");
+
+			switch (rc) {
+			case 1:
+				closeInfoBox();
+				notify_info(__("Subscribed to %s").replace("%s", feed_url));
+
+				if (inPreferences()) {
+					updateFeedList();
+				} else {
+					setTimeout('updateFeedList(false, false)', 50);
+				}
+				break;
+			case 2:
+				alert(__("Can't subscribe to the specified URL."));
+				break;
+			case 0:
+				alert(__("You are already subscribed to this feed."));
+				break;
+			}
+
 		} });
 
+	} catch (e) {
+		exception_error("subscribeToFeed", e);
+	}
+
 	return false;
 }
 
@@ -1418,55 +1356,47 @@ function filterCR(e, f)
 	}
 }
 
-var debug_last_class = "even";
-
-function debug(msg) {
-
-	if (debug_last_class == "even") {
-		debug_last_class = "odd";
-	} else {
-		debug_last_class = "even";
-	}
-
-	var c = document.getElementById('debug_output');
-	if (c && Element.visible(c)) {
-		while (c.lastChild != 'undefined' && c.childNodes.length > 100) {
-			c.removeChild(c.lastChild);
-		}
-	
-		var d = new Date();
-		var ts = leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
-			":" + leading_zero(d.getSeconds());
-		c.innerHTML = "<li class=\"" + debug_last_class + "\"><span class=\"debugTS\">[" + ts + "]</span> " + 
-			msg + "</li>" + c.innerHTML;
-	}
-}
-
 function getInitParam(key) {
 	return init_params[key];
 }
 
-function storeInitParam(key, value) {
-	debug("<b>storeInitParam is OBSOLETE: " + key + " => " + value + "</b>");
+function setInitParam(key, value) {
 	init_params[key] = value;
 }
 
-function fatalError(code, message) {
+function fatalError(code, msg, ext_info) {
 	try {	
 
+		if (!ext_info) ext_info = "N/A";
+
 		if (code == 6) {
 			window.location.href = "tt-rss.php";			
 		} else if (code == 5) {
 			window.location.href = "update.php";
 		} else {
-			var fe = document.getElementById("fatal_error");
-			var fc = document.getElementById("fatal_error_msg");
 	
-			if (message == "") message = "Unknown error";
+			if (msg == "") msg = "Unknown error";
+
+			var ebc = $("xebContent");
+	
+			if (ebc) {
+	
+				Element.show("dialog_overlay");
+				Element.show("errorBoxShadow");
+				Element.hide("xebBtn");
 
-			fc.innerHTML = "<img src='images/sign_excl.gif'> " + message + " (Code " + code + ")";
+				if (ext_info) {
+					if (ext_info.responseText) {
+						ext_info = ext_info.responseText;
+					}
+				}
 	
-			fe.style.display = "block";
+				ebc.innerHTML = 
+					"<div><b>Error message:</b></div>" +
+					"<pre>" + msg + "</pre>" +
+					"<div><b>Additional information:</b></div>" +
+					"<textarea readonly=\"1\">" + ext_info + "</textarea>";
+			}
 		}
 
 	} catch (e) {
@@ -1478,9 +1408,9 @@ function getFeedName(id, is_cat) {
 	var e;
 
 	if (is_cat) {
-		e = document.getElementById("FCATN-" + id);
+		e = $("FCATN-" + id);
 	} else {
-		e = document.getElementById("FEEDN-" + id);
+		e = $("FEEDN-" + id);
 	}
 	if (e) {
 		return e.innerHTML.stripTags();
@@ -1489,11 +1419,11 @@ function getFeedName(id, is_cat) {
 	}
 }
 
-function filterDlgCheckAction(sender) {
+function filterDlgCheckType(sender) {
 
 	try {
 
-		var action = sender[sender.selectedIndex].value;
+		var ftype = sender[sender.selectedIndex].value;
 
 		var form = document.forms["filter_add_form"];
 	
@@ -1502,21 +1432,61 @@ function filterDlgCheckAction(sender) {
 		}
 
 		if (!form) {
-			debug("filterDlgCheckAction: can't find form!");
+			console.log("filterDlgCheckType: can't find form!");
 			return;
 		}
 
-		var action_param = document.getElementById("filter_dlg_param_box");
+		// if selected filter type is 5 (Date) enable the modifier dropbox
+		if (ftype == 5) {
+			Element.show("filter_dlg_date_mod_box");
+			Element.show("filter_dlg_date_chk_box");
+		} else {
+			Element.hide("filter_dlg_date_mod_box");
+			Element.hide("filter_dlg_date_chk_box");
 
-		if (!action_param) {
-			debug("filterDlgCheckAction: can't find action param box!");
-			return;
 		}
 
-		// if selected action supports parameters, enable params field
-		if (action == 4 || action == 6) {
-			Element.show(action_param);
-		} else {
+	} catch (e) {
+		exception_error("filterDlgCheckType", e);
+	}
+
+}
+
+function filterDlgCheckAction(sender) {
+
+	try {
+
+		var action = sender[sender.selectedIndex].value;
+
+		var form = document.forms["filter_add_form"];
+	
+		if (!form) {
+			form = document.forms["filter_edit_form"];
+		}
+
+		if (!form) {
+			console.log("filterDlgCheckAction: can't find form!");
+			return;
+		}
+
+		var action_param = $("filter_dlg_param_box");
+
+		if (!action_param) {
+			console.log("filterDlgCheckAction: can't find action param box!");
+			return;
+		}
+
+		// if selected action supports parameters, enable params field
+		if (action == 4 || action == 6 || action == 7) {
+			Element.show(action_param);
+			if (action != 7) {
+				Element.show(form.action_param);
+				Element.hide(form.action_param_label);
+			} else {
+				Element.show(form.action_param_label);
+				Element.hide(form.action_param);
+			}
+		} else {
 			Element.hide(action_param);
 		}
 
@@ -1526,6 +1496,56 @@ function filterDlgCheckAction(sender) {
 
 }
 
+function filterDlgCheckDate() {
+	try {
+		var form = document.forms["filter_add_form"];
+	
+		if (!form) {
+			form = document.forms["filter_edit_form"];
+		}
+
+		if (!form) {
+			console.log("filterDlgCheckAction: can't find form!");
+			return;
+		}
+
+		var reg_exp = form.reg_exp.value;
+
+		var query = "?op=rpc&subop=checkDate&date=" + reg_exp;
+
+		new Ajax.Request("backend.php", {
+			parameters: query,
+			onComplete: function(transport) { 
+
+				var form = document.forms["filter_add_form"];
+	
+				if (!form) {
+					form = document.forms["filter_edit_form"];
+				}
+
+				if (transport.responseXML) {
+					var result = transport.responseXML.getElementsByTagName("result")[0];
+
+					if (result && result.firstChild) {
+						if (result.firstChild.nodeValue == "1") {
+
+							new Effect.Highlight(form.reg_exp, {startcolor : '#00ff00'});
+
+							return;
+						}
+					}
+				}
+
+				new Effect.Highlight(form.reg_exp, {startcolor : '#ff0000'});
+
+			} });
+
+
+	} catch (e) {
+		exception_error("filterDlgCheckDate", e);
+	}
+}
+
 function explainError(code) {
 	return displayDlg("explainError", code);
 }
@@ -1535,10 +1555,10 @@ function getRelativePostIds(id, limit) {
 
 	if (!limit) limit = 3;
 
-	debug("getRelativePostIds: " + id + " limit=" + limit);
+	console.log("getRelativePostIds: " + id + " limit=" + limit);
 
 	var ids = new Array();
-	var container = document.getElementById("headlinesList");
+	var container = $("headlinesList");
 
 	if (container) {
 		var rows = container.rows;
@@ -1567,22 +1587,46 @@ function getRelativePostIds(id, limit) {
 
 function openArticleInNewWindow(id) {
 	try {
-		debug("openArticleInNewWindow: " + id);
+		console.log("openArticleInNewWindow: " + id);
 
-		var query = "backend.php?op=rpc&subop=getArticleLink&id=" + id;
+		var query = "?op=rpc&subop=getArticleLink&id=" + id;
 		var wname = "ttrss_article_" + id;
 
-		debug(query + " " + wname);
+		console.log(query + " " + wname);
 
 		var w = window.open("", wname);
 
 		if (!w) notify_error("Failed to open window for the article");
 
-		new Ajax.Request(query, {
+		new Ajax.Request("backend.php", {
+			parameters: query,
 			onComplete: function(transport) { 
-				open_article_callback(transport); 
-			} });
 
+					var link = transport.responseXML.getElementsByTagName("link")[0];
+					var id = transport.responseXML.getElementsByTagName("id")[0];
+		
+					console.log("open_article received link: " + link);
+		
+					if (link && id) {
+		
+						var wname = "ttrss_article_" + id.firstChild.nodeValue;
+		
+						console.log("link url: " + link.firstChild.nodeValue + ", wname " + wname);
+		
+						var w = window.open(link.firstChild.nodeValue, wname);
+		
+						if (!w) { notify_error("Failed to load article in new window"); }
+		
+						if (id) {
+							id = id.firstChild.nodeValue;
+							if (!$("headlinesList")) {
+								window.setTimeout("toggleUnread(" + id + ", 0)", 100);
+							}
+						}
+					} else {
+						notify_error("Can't open article: received invalid article link");
+					}
+				} });
 
 	} catch (e) {
 		exception_error("openArticleInNewWindow", e);
@@ -1619,50 +1663,8 @@ Position.Center = function(element, parent) {
 }
 
 
-function labeltest_callback(transport) {
-	try {
-		var container = document.getElementById('label_test_result');
-	
-		container.innerHTML = transport.responseText;
-		if (!Element.visible(container)) {
-			Effect.SlideDown(container, { duration : 0.5 });
-		}
-
-		notify("");
-	} catch (e) {
-		exception_error("labeltest_callback", e);
-	}
-}
-
-function labelTest() {
-
-	try {
-		var container = document.getElementById('label_test_result');
-	
-		var form = document.forms['label_edit_form'];
-	
-		var sql_exp = form.sql_exp.value;
-		var description = form.description.value;
-	
-		notify_progress("Loading, please wait...");
-	
-		var query = "backend.php?op=pref-labels&subop=test&expr=" +
-			param_escape(sql_exp) + "&descr=" + param_escape(description);
-	
-		new Ajax.Request(query, {
-			onComplete: function (transport) {
-				labeltest_callback(transport);
-			} });
-	
-		return false;
-
-	} catch (e) {
-		exception_error("labelTest", e);
-	}
-}
-
 function isCdmMode() {
-	return !document.getElementById("headlinesList");
+	return !$("headlinesList");
 }
 
 function getSelectedArticleIds2() {
@@ -1678,7 +1680,7 @@ function getSelectedArticleIds2() {
 	var ids = new Array();
 
 	for (var i = 0; i < rows.length; i++) {
-		var chk = document.getElementById("RCHK-" + rows[i]);
+		var chk = $("RCHK-" + rows[i]);
 		if (chk && chk.checked) {
 			ids.push(rows[i]);
 		}
@@ -1694,26 +1696,15 @@ function displayHelpInfobox(topic_id) {
 	var w = window.open(url, "ttrss_help", 
 		"status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
 
-	return false;
-}
-
-function focus_element(id) {
-	try {
-		var e = document.getElementById(id);
-		if (e) e.focus();
-	} catch (e) {
-		exception_error("focus_element", e);
-	}
-	return false;
 }
 
 function loading_set_progress(p) {
 	try {
 		if (p < last_progress_point || !Element.visible("overlay")) return;
 
-		debug("<b>loading_set_progress : " + p + " (" + last_progress_point + ")</b>");
+		console.log("loading_set_progress : " + p + " (" + last_progress_point + ")");
 
-		var o = document.getElementById("l_progress_i");
+		var o = $("l_progress_i");
 
 //		o.style.width = (p * 2) + "px";
 
@@ -1732,106 +1723,496 @@ function loading_set_progress(p) {
 
 function remove_splash() {
 	if (Element.visible("overlay")) {
-		debug("about to remove splash, OMG!");
+		console.log("about to remove splash, OMG!");
 		Element.hide("overlay");
-		debug("removed splash!");
+		console.log("removed splash!");
 	}
 }
 
-function addLabelExample() {
+function getSelectedFeedsFromBrowser() {
+
+	var list = $("browseFeedList");
+
+	var selected = new Array();
+	
+	for (i = 0; i < list.childNodes.length; i++) {
+		var child = list.childNodes[i];
+		if (child.id && child.id.match("FBROW-")) {
+			var id = child.id.replace("FBROW-", "");
+			
+			var cb = $("FBCHK-" + id);
+
+			if (cb.checked) {
+				selected.push(id);
+			}
+		}
+	}
+
+	return selected;
+}
+
+function updateFeedBrowser() {
 	try {
-		var form = document.forms["label_edit_form"];
 
-		var text = form.sql_exp;
-		var op = form.label_fields[form.label_fields.selectedIndex];
-		var p = form.label_fields_param;
+		var query = Form.serialize("feed_browser");
+
+		Element.show('feed_browser_spinner');
 
-		if (op) {
-			op = op.value;
+		new Ajax.Request("backend.php", {
+			parameters: query,
+			onComplete: function(transport) { 
+				notify('');
+
+				Element.hide('feed_browser_spinner');
 
-			var tmp = "";
+				var c = $("browseFeedList");
+				var r = transport.responseXML.getElementsByTagName("content")[0];
+				var nr = transport.responseXML.getElementsByTagName("num-results")[0];
+				var mode = transport.responseXML.getElementsByTagName("mode")[0];
 
-			if (text.value != "") {			
-				if (text.value.substring(text.value.length-3, 3).toUpperCase() != "AND") {
-					tmp = " AND ";
+				if (c && r) {
+					c.innerHTML = r.firstChild.nodeValue;
+				}
+
+				if (parseInt(mode.getAttribute("value")) == 2) {
+					Element.show('feed_archive_remove');
 				} else {
-					tmp = " ";
+					Element.hide('feed_archive_remove');
 				}
-			}
+	
+			} });
 
-			if (op == "unread") {
-				tmp = tmp + "unread = true";
-			}
+	} catch (e) {
+		exception_error("updateFeedBrowser", e);
+	}
 
-			if (op == "updated") {
-				tmp = tmp + "last_read is null and unread = false";
-			}
+}
 
-			if (op == "kw_title") {
-				tmp = tmp + "ttrss_entries.title like '%"+p.value+"%'";
-			}
-			if (op == "kw_content") {
-				tmp = tmp + "ttrss_entries.content like '%"+p.value+"%'";
-			}
+function transport_error_check(transport) {
+	try {
+		if (transport.responseXML) {
+			var error = transport.responseXML.getElementsByTagName("error")[0];
 
-			if (op == "scoreE") {
-				tmp = tmp + "score = " + p.value;
+			if (error) {
+				var code = error.getAttribute("error-code");
+				var msg = error.getAttribute("error-msg");
+				if (code != 0) {
+					fatalError(code, msg);
+					return false;
+				}
 			}
+		}
+	} catch (e) {
+		exception_error("check_for_error_xml", e);
+	}
+	return true;
+}
 
-			if (op == "scoreG") {
-				tmp = tmp + "score > " + p.value;
-			}
+function strip_tags(s) {
+	return s.replace(/<\/?[^>]+(>|$)/g, "");
+}
+
+function truncate_string(s, length) {
+	if (!length) length = 30;
+	var tmp = s.substring(0, length);
+	if (s.length > length) tmp += "&hellip;";
+	return tmp;
+}
+
+function hotkey_prefix_timeout() {
+	try {
+
+		var date = new Date();
+		var ts = Math.round(date.getTime() / 1000);
+
+		if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
+			console.log("hotkey_prefix seems to be stuck, aborting");
+			hotkey_prefix_pressed = false;
+			hotkey_prefix = false;
+			Element.hide('cmdline');
+		}
+
+		setTimeout("hotkey_prefix_timeout()", 1000);
+
+	} catch  (e) {
+		exception_error("hotkey_prefix_timeout", e);
+	}
+}
+
+function hideAuxDlg() {
+	try {
+		Element.hide('auxDlg');
+	} catch (e) {
+		exception_error("hideAuxDlg", e);
+	}
+}
+
+function displayNewContentPrompt(id) {
+	try {
+
+		var msg = "<a href='#' onclick='viewfeed("+id+")'>" +
+			__("New articles available in this feed (click to show)") + "</a>";
+
+		msg = msg.replace("%s", getFeedName(id));
+
+		$('auxDlg').innerHTML = msg;
+
+		new Effect.Appear('auxDlg', {duration : 0.5});
 
-			if (op == "scoreL") {
-				tmp = tmp + "score < " + p.value;
+	} catch (e) {
+		exception_error("displayNewContentPrompt", e);
+	}
+}
+
+function feedBrowserSubscribe() {
+	try {
+
+		var selected = getSelectedFeedsFromBrowser();
+
+		var mode = document.forms['feed_browser'].mode;
+
+		mode = mode[mode.selectedIndex].value;
+
+		if (selected.length > 0) {
+			closeInfoBox();
+
+			notify_progress("Loading, please wait...", true);
+
+			var query = "?op=rpc&subop=massSubscribe&ids="+
+				param_escape(selected.toString()) + "&mode=" + param_escape(mode);
+
+			new Ajax.Request("backend.php", {
+				parameters: query,
+				onComplete: function(transport) { 
+
+					var nf = transport.responseXML.getElementsByTagName('num-feeds')[0];
+					var nf_value = nf.getAttribute("value");
+
+					notify_info(__("Subscribed to %d feed(s).").replace("%d", nf_value));
+
+					if (inPreferences()) {
+						updateFeedList();
+					} else {
+						setTimeout('updateFeedList(false, false)', 50);
+					}
+				} });
+
+		} else {
+			alert(__("No feeds are selected."));
+		}
+
+	} catch (e) {
+		exception_error("feedBrowserSubscribe", e);
+	}
+}
+
+function feedArchiveRemove() {
+	try {
+
+		var selected = getSelectedFeedsFromBrowser();
+
+		if (selected.length > 0) {
+
+			var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
+
+			if (confirm(pr)) {
+				Element.show('feed_browser_spinner');
+
+				var query = "?op=rpc&subop=remarchived&ids=" + 
+					param_escape(selected.toString());;
+
+				new Ajax.Request("backend.php", {
+					parameters: query,
+					onComplete: function(transport) { 
+						updateFeedBrowser();
+					} }); 
 			}
 
-			if (op == "newerD") {
-				if (isNaN(parseInt(p.value))) {
-					alert("This action expects numeric parameter.");
-					return false;
+		} else {
+			alert(__("No feeds are selected."));
+		}
+
+	} catch (e) {
+		exception_error("feedArchiveRemove", e);
+	}
+}
+
+function uploadIconHandler(rc) {
+	try {
+		switch (rc) {
+			case 0:
+				notify_info("Upload complete.");
+				if (inPreferences()) {
+					updateFeedList();
+				} else {
+					setTimeout('updateFeedList(false, false)', 50);
 				}
-				tmp = tmp + "updated > NOW() - INTERVAL '"+parseInt(p.value)+" days'";
+				break;
+			case 1:
+				notify_error("Upload failed: icon is too big.");
+				break;
+			case 2:
+				notify_error("Upload failed.");
+				break;
+		}
+
+	} catch (e) {
+		exception_error("uploadIconHandler", e);
+	}
+}
+
+function removeFeedIcon(id) {
+
+	try {
+
+		if (confirm(__("Remove stored feed icon?"))) {
+			var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
+
+			console.log(query);
+
+			notify_progress("Removing feed icon...", true);
+
+			new Ajax.Request("backend.php", {
+				parameters: query,
+				onComplete: function(transport) { 
+					notify_info("Feed icon removed.");
+					if (inPreferences()) {
+						updateFeedList();
+					} else {
+						setTimeout('updateFeedList(false, false)', 50);
+					}
+				} }); 
+		}
+
+		return false;
+	} catch (e) {
+		exception_error("uploadFeedIcon", e);
+	}
+}
+
+function uploadFeedIcon() {
+
+	try {
+
+		var file = $("icon_file");
+
+		if (file.value.length == 0) {
+			alert(__("Please select an image file to upload."));
+		} else {
+			if (confirm(__("Upload new icon for this feed?"))) {
+				notify_progress("Uploading, please wait...", true);
+				return true;
 			}
+		}
 
-			if (op == "newerH") {
-				if (isNaN(parseInt(p.value))) {
-					alert("This action expects numeric parameter.");
-					return false;
-				}
+		return false;
+
+	} catch (e) {
+		exception_error("uploadFeedIcon", e);
+	}
+}
+
+function addLabel() {
+
+	try {
+
+		var caption = prompt(__("Please enter label caption:"), "");
 
-				tmp = tmp + "updated > NOW() - INTERVAL '"+parseInt(p.value)+" hours'";
+		if (caption != undefined) {
+	
+			if (caption == "") {
+				alert(__("Can't create label: missing caption."));
+				return false;
 			}
 
-			text.value = text.value + tmp;
+			var query = "?op=pref-labels&subop=add&caption=" + 
+				param_escape(caption);
+
+			notify_progress("Loading, please wait...", true);
+
+			if (inPreferences()) active_tab = "labelConfig";
 
-			p.value = "";
+			new Ajax.Request("backend.php", {
+				parameters: query,
+				onComplete: function(transport) { 
+					if (inPreferences()) {
+						infobox_submit_callback2(transport);
+					} else {
+						updateFeedList();
+					}
+			} });
 
 		}
-		
+
 	} catch (e) {
-		exception_error("addLabelExample", e);
+		exception_error("addLabel", e);
+	}
+}
+
+function quickAddFeed() {
+	displayDlg('quickAddFeed', '',
+	   function () {$('feed_url').focus();});
+}
+
+function quickAddFilter() {
+	displayDlg('quickAddFilter', '',
+	   function () {document.forms['filter_add_form'].reg_exp.focus();});
+}
+
+function unsubscribeFeed(feed_id, title) {
+
+	var msg = __("Unsubscribe from %s?").replace("%s", title);
+
+	if (title == undefined || confirm(msg)) {
+		notify_progress("Removing feed...");
+
+		var query = "?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
+
+		new Ajax.Request("backend.php", {
+			parameters: query,
+			onComplete: function(transport) {
+
+					closeInfoBox();
+
+					if (inPreferences()) {
+						updateFeedList();				
+					} else {
+						dlg_frefresh_callback(transport, feed_id);
+					}
+
+				} });
 	}
 
 	return false;
 }
 
-function labelFieldsCheck(elem) {
+
+function backend_sanity_check_callback(transport) {
+
 	try {
-		var op = elem[elem.selectedIndex].value;
 
-		var p = document.forms["label_edit_form"].label_fields_param;
+		if (sanity_check_done) {
+			fatalError(11, "Sanity check request received twice. This can indicate "+
+		      "presence of Firebug or some other disrupting extension. "+
+				"Please disable it and try again.");
+			return;
+		}
 
-		if (op == "kw_title" || op == "kw_content" || op == "scoreL" || 
-				op == "scoreG" ||	op == "scoreE" || op == "newerD" ||
-				op == "newerH" ) {
-			Element.show(p);
-		} else {
-			Element.hide(p);
+		if (!transport.responseXML) {
+			if (!store) {
+				fatalError(3, "Sanity check: Received reply is not XML", 
+					transport.responseText);
+				return;
+			} else {
+				init_offline();
+				return;
+			}
+		}
+
+		if (getURLParam("offline")) {
+			return init_offline();
 		}
 
+		var reply = transport.responseXML.getElementsByTagName("error")[0];
+
+		if (!reply) {
+			fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
+			return;
+		}
+
+		var error_code = reply.getAttribute("error-code");
+	
+		if (error_code && error_code != 0) {
+			return fatalError(error_code, reply.getAttribute("error-msg"));
+		}
+
+		console.log("sanity check ok");
+
+		var params = transport.responseXML.getElementsByTagName("init-params")[0];
+
+		if (params) {
+			console.log('reading init-params...');
+
+			params = JSON.parse(params.firstChild.nodeValue);
+
+			if (params) {
+				for (var i = 0; i < params.length; i++) {
+	
+					var k = params[i].param;
+					var v = params[i].value;
+	
+					if (getURLParam('debug')) console.log(k + " => " + v);
+					init_params[k] = v;					
+	
+					if (db) {
+						db.execute("DELETE FROM init_params WHERE key = ?", [k]);
+						db.execute("INSERT INTO init_params (key,value) VALUES (?, ?)",
+							[k, v]);
+					}
+				}
+			}
+		}
+
+		sanity_check_done = true;
+
+		init_second_stage();
+
 	} catch (e) {
-		exception_error("labelFieldsCheck", e);
+		exception_error("backend_sanity_check_callback", e, transport);	
+	} 
+}
+
+function has_local_storage() {
+	try {
+		return 'localStorage' in window && window['localStorage'] != null;
+	} catch (e) {
+		return false;
+	}
+}
+
+function catSelectOnChange(elem) {
+	try {
+		var value = elem[elem.selectedIndex].value;
+		var def = elem.getAttribute('default');
 
+		if (value == "ADD_CAT") {
+
+			if (def)
+				dropboxSelect(elem, def);
+			else
+				elem.selectedIndex = 0;
+
+			quickAddCat(elem);
+		}
+
+	} catch (e) {
+		exception_error("catSelectOnChange", e);
+	}
+}
+
+function quickAddCat(select) {
+	try {
+		var cat = prompt(__("Please enter category title:"));
+
+		if (cat) {
+
+			var query = "?op=rpc&subop=quickAddCat&cat=" + param_escape(cat);
+
+			new Ajax.Request("backend.php", {
+				parameters: query,
+				onComplete: function (transport) {
+					var response = transport.responseXML;
+
+					var payload = response.getElementsByTagName("payload")[0];
+
+					if (payload)
+						select.innerHTML = payload.firstChild.nodeValue;
+
+			} });
+
+		}
+
+	} catch (e) {
+		exception_error("quickAddCat", e);
 	}
 }