diff -r f507feede89a -r 09a1c134465b web/wp-includes/js/wplink.js
--- a/web/wp-includes/js/wplink.js	Wed Dec 19 12:35:13 2012 -0800
+++ b/web/wp-includes/js/wplink.js	Wed Dec 19 17:46:52 2012 -0800
@@ -1,1 +1,593 @@
-var wpLink;(function(f){var b={},e={},d,a,c;wpLink={timeToTriggerRiver:150,minRiverAJAXDuration:200,riverBottomThreshold:5,keySensitivity:100,lastSearch:"",textarea:"",init:function(){b.dialog=f("#wp-link");b.submit=f("#wp-link-submit");b.url=f("#url-field");b.nonce=f("#_ajax_linking_nonce");b.title=f("#link-title-field");b.openInNewTab=f("#link-target-checkbox");b.search=f("#search-field");e.search=new a(f("#search-results"));e.recent=new a(f("#most-recent-results"));e.elements=f(".query-results",b.dialog);b.dialog.keydown(wpLink.keydown);b.dialog.keyup(wpLink.keyup);b.submit.click(function(g){g.preventDefault();wpLink.update()});f("#wp-link-cancel").click(function(g){g.preventDefault();wpLink.close()});f("#internal-toggle").click(wpLink.toggleInternalLinking);e.elements.bind("river-select",wpLink.updateFields);b.search.keyup(wpLink.searchInternalLinks);b.dialog.bind("wpdialogrefresh",wpLink.refresh);b.dialog.bind("wpdialogbeforeopen",wpLink.beforeOpen);b.dialog.bind("wpdialogclose",wpLink.onClose)},beforeOpen:function(){wpLink.range=null;if(!wpLink.isMCE()&&document.selection){wpLink.textarea.focus();wpLink.range=document.selection.createRange()}},open:function(){if(!wpActiveEditor){return}this.textarea=f("#"+wpActiveEditor).get(0);if(!b.dialog.data("wpdialog")){b.dialog.wpdialog({title:wpLinkL10n.title,width:480,height:"auto",modal:true,dialogClass:"wp-dialog",zIndex:300000})}b.dialog.wpdialog("open")},isMCE:function(){return tinyMCEPopup&&(d=tinyMCEPopup.editor)&&!d.isHidden()},refresh:function(){e.search.refresh();e.recent.refresh();if(wpLink.isMCE()){wpLink.mceRefresh()}else{wpLink.setDefaultValues()}b.url.focus()[0].select();if(!e.recent.ul.children().length){e.recent.ajax()}},mceRefresh:function(){var g;d=tinyMCEPopup.editor;tinyMCEPopup.restoreSelection();if(g=d.dom.getParent(d.selection.getNode(),"A")){b.url.val(d.dom.getAttrib(g,"href"));b.title.val(d.dom.getAttrib(g,"title"));if("_blank"==d.dom.getAttrib(g,"target")){b.openInNewTab.prop("checked",true)}b.submit.val(wpLinkL10n.update)}else{wpLink.setDefaultValues()}tinyMCEPopup.storeSelection()},close:function(){if(wpLink.isMCE()){tinyMCEPopup.close()}else{b.dialog.wpdialog("close")}},onClose:function(){if(!wpLink.isMCE()){wpLink.textarea.focus();if(wpLink.range){wpLink.range.moveToBookmark(wpLink.range.getBookmark());wpLink.range.select()}}},getAttrs:function(){return{href:b.url.val(),title:b.title.val(),target:b.openInNewTab.prop("checked")?"_blank":""}},update:function(){if(wpLink.isMCE()){wpLink.mceUpdate()}else{wpLink.htmlUpdate()}},htmlUpdate:function(){var i,j,k,h,l,g=wpLink.textarea;if(!g){return}i=wpLink.getAttrs();if(!i.href||i.href=="http://"){return}j='<a href="'+i.href+'"';if(i.title){j+=' title="'+i.title+'"'}if(i.target){j+=' target="'+i.target+'"'}j+=">";if(document.selection&&wpLink.range){g.focus();wpLink.range.text=j+wpLink.range.text+"</a>";wpLink.range.moveToBookmark(wpLink.range.getBookmark());wpLink.range.select();wpLink.range=null}else{if(typeof g.selectionStart!=="undefined"){k=g.selectionStart;h=g.selectionEnd;selection=g.value.substring(k,h);j=j+selection+"</a>";l=k+j.length;if(k==h){l-="</a>".length}g.value=g.value.substring(0,k)+j+g.value.substring(h,g.value.length);g.selectionStart=g.selectionEnd=l}}wpLink.close();g.focus()},mceUpdate:function(){var h=tinyMCEPopup.editor,i=wpLink.getAttrs(),j,g;tinyMCEPopup.restoreSelection();j=h.dom.getParent(h.selection.getNode(),"A");if(!i.href||i.href=="http://"){if(j){tinyMCEPopup.execCommand("mceBeginUndoLevel");g=h.selection.getBookmark();h.dom.remove(j,1);h.selection.moveToBookmark(g);tinyMCEPopup.execCommand("mceEndUndoLevel");wpLink.close()}return}tinyMCEPopup.execCommand("mceBeginUndoLevel");if(j==null){h.getDoc().execCommand("unlink",false,null);tinyMCEPopup.execCommand("mceInsertLink",false,"#mce_temp_url#",{skip_undo:1});tinymce.each(h.dom.select("a"),function(k){if(h.dom.getAttrib(k,"href")=="#mce_temp_url#"){j=k;h.dom.setAttribs(j,i)}});if(f(j).text()=="#mce_temp_url#"){h.dom.remove(j);j=null}}else{h.dom.setAttribs(j,i)}if(j&&(j.childNodes.length!=1||j.firstChild.nodeName!="IMG")){h.focus();h.selection.select(j);h.selection.collapse(0);tinyMCEPopup.storeSelection()}tinyMCEPopup.execCommand("mceEndUndoLevel");wpLink.close()},updateFields:function(i,h,g){b.url.val(h.children(".item-permalink").val());b.title.val(h.hasClass("no-title")?"":h.children(".item-title").text());if(g&&g.type=="click"){b.url.focus()}},setDefaultValues:function(){b.url.val("http://");b.title.val("");b.submit.val(wpLinkL10n.save)},searchInternalLinks:function(){var h=f(this),i,g=h.val();if(g.length>2){e.recent.hide();e.search.show();if(wpLink.lastSearch==g){return}wpLink.lastSearch=g;i=h.siblings("img.waiting").show();e.search.change(g);e.search.ajax(function(){i.hide()})}else{e.search.hide();e.recent.show()}},next:function(){e.search.next();e.recent.next()},prev:function(){e.search.prev();e.recent.prev()},keydown:function(i){var h,g=f.ui.keyCode;switch(i.which){case g.UP:h="prev";case g.DOWN:h=h||"next";clearInterval(wpLink.keyInterval);wpLink[h]();wpLink.keyInterval=setInterval(wpLink[h],wpLink.keySensitivity);break;default:return}i.preventDefault()},keyup:function(h){var g=f.ui.keyCode;switch(h.which){case g.ESCAPE:h.stopImmediatePropagation();if(!f(document).triggerHandler("wp_CloseOnEscape",[{event:h,what:"wplink",cb:wpLink.close}])){wpLink.close()}return false;break;case g.UP:case g.DOWN:clearInterval(wpLink.keyInterval);break;default:return}h.preventDefault()},delayedCallback:function(i,g){var l,k,j,h;if(!g){return i}setTimeout(function(){if(k){return i.apply(h,j)}l=true},g);return function(){if(l){return i.apply(this,arguments)}j=arguments;h=this;k=true}},toggleInternalLinking:function(h){var g=f("#search-panel"),i=b.dialog.wpdialog("widget"),k=!g.is(":visible"),j=f(window);f(this).toggleClass("toggle-arrow-active",k);b.dialog.height("auto");g.slideToggle(300,function(){setUserSetting("wplink",k?"1":"0");b[k?"search":"url"].focus();var l=j.scrollTop(),o=i.offset().top,m=o+i.outerHeight(),n=m-j.height();if(n>l){i.animate({top:n<o?o-n:l},200)}});h.preventDefault()}};a=function(i,h){var g=this;this.element=i;this.ul=i.children("ul");this.waiting=i.find(".river-waiting");this.change(h);this.refresh();i.scroll(function(){g.maybeLoad()});i.delegate("li","click",function(j){g.select(f(this),j)})};f.extend(a.prototype,{refresh:function(){this.deselect();this.visible=this.element.is(":visible")},show:function(){if(!this.visible){this.deselect();this.element.show();this.visible=true}},hide:function(){this.element.hide();this.visible=false},select:function(h,k){var j,i,l,g;if(h.hasClass("unselectable")||h==this.selected){return}this.deselect();this.selected=h.addClass("selected");j=h.outerHeight();i=this.element.height();l=h.position().top;g=this.element.scrollTop();if(l<0){this.element.scrollTop(g+l)}else{if(l+j>i){this.element.scrollTop(g+l-i+j)}}this.element.trigger("river-select",[h,k,this])},deselect:function(){if(this.selected){this.selected.removeClass("selected")}this.selected=false},prev:function(){if(!this.visible){return}var g;if(this.selected){g=this.selected.prev("li");if(g.length){this.select(g)}}},next:function(){if(!this.visible){return}var g=this.selected?this.selected.next("li"):f("li:not(.unselectable):first",this.element);if(g.length){this.select(g)}},ajax:function(j){var h=this,i=this.query.page==1?0:wpLink.minRiverAJAXDuration,g=wpLink.delayedCallback(function(k,l){h.process(k,l);if(j){j(k,l)}},i);this.query.ajax(g)},change:function(g){if(this.query&&this._search==g){return}this._search=g;this.query=new c(g);this.element.scrollTop(0)},process:function(h,l){var i="",j=true,g="",k=l.page==1;if(!h){if(k){i+='<li class="unselectable"><span class="item-title"><em>'+wpLinkL10n.noMatchesFound+"</em></span></li>"}}else{f.each(h,function(){g=j?"alternate":"";g+=this["title"]?"":" no-title";i+=g?'<li class="'+g+'">':"<li>";i+='<input type="hidden" class="item-permalink" value="'+this["permalink"]+'" />';i+='<span class="item-title">';i+=this["title"]?this["title"]:wpLinkL10n.noTitle;i+='</span><span class="item-info">'+this["info"]+"</span></li>";j=!j})}this.ul[k?"html":"append"](i)},maybeLoad:function(){var h=this,i=this.element,g=i.scrollTop()+i.height();if(!this.query.ready()||g<this.ul.height()-wpLink.riverBottomThreshold){return}setTimeout(function(){var j=i.scrollTop(),k=j+i.height();if(!h.query.ready()||k<h.ul.height()-wpLink.riverBottomThreshold){return}h.waiting.show();i.scrollTop(j+h.waiting.outerHeight());h.ajax(function(){h.waiting.hide()})},wpLink.timeToTriggerRiver)}});c=function(g){this.page=1;this.allLoaded=false;this.querying=false;this.search=g};f.extend(c.prototype,{ready:function(){return !(this.querying||this.allLoaded)},ajax:function(i){var g=this,h={action:"wp-link-ajax",page:this.page,_ajax_linking_nonce:b.nonce.val()};if(this.search){h.search=this.search}this.querying=true;f.post(ajaxurl,h,function(j){g.page++;g.querying=false;g.allLoaded=!j;i(j,h)},"json")}});f(document).ready(wpLink.init)})(jQuery);
\ No newline at end of file
+var wpLink;
+
+(function($){
+	var inputs = {}, rivers = {}, ed, River, Query;
+
+	wpLink = {
+		timeToTriggerRiver: 150,
+		minRiverAJAXDuration: 200,
+		riverBottomThreshold: 5,
+		keySensitivity: 100,
+		lastSearch: '',
+		textarea: '',
+
+		init : function() {
+			inputs.dialog = $('#wp-link');
+			inputs.submit = $('#wp-link-submit');
+			// URL
+			inputs.url = $('#url-field');
+			inputs.nonce = $('#_ajax_linking_nonce');
+			// Secondary options
+			inputs.title = $('#link-title-field');
+			// Advanced Options
+			inputs.openInNewTab = $('#link-target-checkbox');
+			inputs.search = $('#search-field');
+			// Build Rivers
+			rivers.search = new River( $('#search-results') );
+			rivers.recent = new River( $('#most-recent-results') );
+			rivers.elements = $('.query-results', inputs.dialog);
+
+			// Bind event handlers
+			inputs.dialog.keydown( wpLink.keydown );
+			inputs.dialog.keyup( wpLink.keyup );
+			inputs.submit.click( function(e){
+				e.preventDefault();
+				wpLink.update();
+			});
+			$('#wp-link-cancel').click( function(e){
+				e.preventDefault();
+				wpLink.close();
+			});
+			$('#internal-toggle').click( wpLink.toggleInternalLinking );
+
+			rivers.elements.bind('river-select', wpLink.updateFields );
+
+			inputs.search.keyup( wpLink.searchInternalLinks );
+
+			inputs.dialog.bind('wpdialogrefresh', wpLink.refresh);
+			inputs.dialog.bind('wpdialogbeforeopen', wpLink.beforeOpen);
+			inputs.dialog.bind('wpdialogclose', wpLink.onClose);
+		},
+
+		beforeOpen : function() {
+			wpLink.range = null;
+
+			if ( ! wpLink.isMCE() && document.selection ) {
+				wpLink.textarea.focus();
+				wpLink.range = document.selection.createRange();
+			}
+		},
+
+		open : function() {
+			if ( !wpActiveEditor )
+				return;
+
+			this.textarea = $('#'+wpActiveEditor).get(0);
+
+			// Initialize the dialog if necessary (html mode).
+			if ( ! inputs.dialog.data('wpdialog') ) {
+				inputs.dialog.wpdialog({
+					title: wpLinkL10n.title,
+					width: 480,
+					height: 'auto',
+					modal: true,
+					dialogClass: 'wp-dialog',
+					zIndex: 300000
+				});
+			}
+
+			inputs.dialog.wpdialog('open');
+		},
+
+		isMCE : function() {
+			return tinyMCEPopup && ( ed = tinyMCEPopup.editor ) && ! ed.isHidden();
+		},
+
+		refresh : function() {
+			// Refresh rivers (clear links, check visibility)
+			rivers.search.refresh();
+			rivers.recent.refresh();
+
+			if ( wpLink.isMCE() )
+				wpLink.mceRefresh();
+			else
+				wpLink.setDefaultValues();
+
+			// Focus the URL field and highlight its contents.
+			//     If this is moved above the selection changes,
+			//     IE will show a flashing cursor over the dialog.
+			inputs.url.focus()[0].select();
+			// Load the most recent results if this is the first time opening the panel.
+			if ( ! rivers.recent.ul.children().length )
+				rivers.recent.ajax();
+		},
+
+		mceRefresh : function() {
+			var e;
+			ed = tinyMCEPopup.editor;
+
+			tinyMCEPopup.restoreSelection();
+
+			// If link exists, select proper values.
+			if ( e = ed.dom.getParent(ed.selection.getNode(), 'A') ) {
+				// Set URL and description.
+				inputs.url.val( ed.dom.getAttrib(e, 'href') );
+				inputs.title.val( ed.dom.getAttrib(e, 'title') );
+				// Set open in new tab.
+				if ( "_blank" == ed.dom.getAttrib(e, 'target') )
+					inputs.openInNewTab.prop('checked', true);
+				// Update save prompt.
+				inputs.submit.val( wpLinkL10n.update );
+
+			// If there's no link, set the default values.
+			} else {
+				wpLink.setDefaultValues();
+			}
+
+			tinyMCEPopup.storeSelection();
+		},
+
+		close : function() {
+			if ( wpLink.isMCE() )
+				tinyMCEPopup.close();
+			else
+				inputs.dialog.wpdialog('close');
+		},
+
+		onClose: function() {
+			if ( ! wpLink.isMCE() ) {
+				wpLink.textarea.focus();
+				if ( wpLink.range ) {
+					wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
+					wpLink.range.select();
+				}
+			}
+		},
+
+		getAttrs : function() {
+			return {
+				href : inputs.url.val(),
+				title : inputs.title.val(),
+				target : inputs.openInNewTab.prop('checked') ? '_blank' : ''
+			};
+		},
+
+		update : function() {
+			if ( wpLink.isMCE() )
+				wpLink.mceUpdate();
+			else
+				wpLink.htmlUpdate();
+		},
+
+		htmlUpdate : function() {
+			var attrs, html, begin, end, cursor,
+				textarea = wpLink.textarea;
+
+			if ( ! textarea )
+				return;
+
+			attrs = wpLink.getAttrs();
+
+			// If there's no href, return.
+			if ( ! attrs.href || attrs.href == 'http://' )
+				return;
+
+			// Build HTML
+			html = '<a href="' + attrs.href + '"';
+
+			if ( attrs.title )
+				html += ' title="' + attrs.title + '"';
+			if ( attrs.target )
+				html += ' target="' + attrs.target + '"';
+
+			html += '>';
+
+			// Insert HTML
+			if ( document.selection && wpLink.range ) {
+				// IE
+				// Note: If no text is selected, IE will not place the cursor
+				//       inside the closing tag.
+				textarea.focus();
+				wpLink.range.text = html + wpLink.range.text + '</a>';
+				wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
+				wpLink.range.select();
+
+				wpLink.range = null;
+			} else if ( typeof textarea.selectionStart !== 'undefined' ) {
+				// W3C
+				begin       = textarea.selectionStart;
+				end         = textarea.selectionEnd;
+				selection   = textarea.value.substring( begin, end );
+				html        = html + selection + '</a>';
+				cursor      = begin + html.length;
+
+				// If no next is selected, place the cursor inside the closing tag.
+				if ( begin == end )
+					cursor -= '</a>'.length;
+
+				textarea.value = textarea.value.substring( 0, begin )
+				               + html
+				               + textarea.value.substring( end, textarea.value.length );
+
+				// Update cursor position
+				textarea.selectionStart = textarea.selectionEnd = cursor;
+			}
+
+			wpLink.close();
+			textarea.focus();
+		},
+
+		mceUpdate : function() {
+			var ed = tinyMCEPopup.editor,
+				attrs = wpLink.getAttrs(),
+				e, b;
+
+			tinyMCEPopup.restoreSelection();
+			e = ed.dom.getParent(ed.selection.getNode(), 'A');
+
+			// If the values are empty, unlink and return
+			if ( ! attrs.href || attrs.href == 'http://' ) {
+				if ( e ) {
+					tinyMCEPopup.execCommand("mceBeginUndoLevel");
+					b = ed.selection.getBookmark();
+					ed.dom.remove(e, 1);
+					ed.selection.moveToBookmark(b);
+					tinyMCEPopup.execCommand("mceEndUndoLevel");
+					wpLink.close();
+				}
+				return;
+			}
+
+			tinyMCEPopup.execCommand("mceBeginUndoLevel");
+
+			if (e == null) {
+				ed.getDoc().execCommand("unlink", false, null);
+				tinyMCEPopup.execCommand("mceInsertLink", false, "#mce_temp_url#", {skip_undo : 1});
+
+				tinymce.each(ed.dom.select("a"), function(n) {
+					if (ed.dom.getAttrib(n, 'href') == '#mce_temp_url#') {
+						e = n;
+						ed.dom.setAttribs(e, attrs);
+					}
+				});
+
+				// Sometimes WebKit lets a user create a link where
+				// they shouldn't be able to. In this case, CreateLink
+				// injects "#mce_temp_url#" into their content. Fix it.
+				if ( $(e).text() == '#mce_temp_url#' ) {
+					ed.dom.remove(e);
+					e = null;
+				}
+			} else {
+				ed.dom.setAttribs(e, attrs);
+			}
+
+			// Don't move caret if selection was image
+			if ( e && (e.childNodes.length != 1 || e.firstChild.nodeName != 'IMG') ) {
+				ed.focus();
+				ed.selection.select(e);
+				ed.selection.collapse(0);
+				tinyMCEPopup.storeSelection();
+			}
+
+			tinyMCEPopup.execCommand("mceEndUndoLevel");
+			wpLink.close();
+		},
+
+		updateFields : function( e, li, originalEvent ) {
+			inputs.url.val( li.children('.item-permalink').val() );
+			inputs.title.val( li.hasClass('no-title') ? '' : li.children('.item-title').text() );
+			if ( originalEvent && originalEvent.type == "click" )
+				inputs.url.focus();
+		},
+		setDefaultValues : function() {
+			// Set URL and description to defaults.
+			// Leave the new tab setting as-is.
+			inputs.url.val('http://');
+			inputs.title.val('');
+
+			// Update save prompt.
+			inputs.submit.val( wpLinkL10n.save );
+		},
+
+		searchInternalLinks : function() {
+			var t = $(this), waiting,
+				search = t.val();
+
+			if ( search.length > 2 ) {
+				rivers.recent.hide();
+				rivers.search.show();
+
+				// Don't search if the keypress didn't change the title.
+				if ( wpLink.lastSearch == search )
+					return;
+
+				wpLink.lastSearch = search;
+				waiting = t.parent().find('.spinner').show();
+
+				rivers.search.change( search );
+				rivers.search.ajax( function(){ waiting.hide(); });
+			} else {
+				rivers.search.hide();
+				rivers.recent.show();
+			}
+		},
+
+		next : function() {
+			rivers.search.next();
+			rivers.recent.next();
+		},
+		prev : function() {
+			rivers.search.prev();
+			rivers.recent.prev();
+		},
+
+		keydown : function( event ) {
+			var fn, key = $.ui.keyCode;
+
+			switch( event.which ) {
+				case key.UP:
+					fn = 'prev';
+				case key.DOWN:
+					fn = fn || 'next';
+					clearInterval( wpLink.keyInterval );
+					wpLink[ fn ]();
+					wpLink.keyInterval = setInterval( wpLink[ fn ], wpLink.keySensitivity );
+					break;
+				default:
+					return;
+			}
+			event.preventDefault();
+		},
+		keyup: function( event ) {
+			var key = $.ui.keyCode;
+
+			switch( event.which ) {
+				case key.ESCAPE:
+					event.stopImmediatePropagation();
+					if ( ! $(document).triggerHandler( 'wp_CloseOnEscape', [{ event: event, what: 'wplink', cb: wpLink.close }] ) )
+						wpLink.close();
+
+					return false;
+					break;
+				case key.UP:
+				case key.DOWN:
+					clearInterval( wpLink.keyInterval );
+					break;
+				default:
+					return;
+			}
+			event.preventDefault();
+		},
+
+		delayedCallback : function( func, delay ) {
+			var timeoutTriggered, funcTriggered, funcArgs, funcContext;
+
+			if ( ! delay )
+				return func;
+
+			setTimeout( function() {
+				if ( funcTriggered )
+					return func.apply( funcContext, funcArgs );
+				// Otherwise, wait.
+				timeoutTriggered = true;
+			}, delay);
+
+			return function() {
+				if ( timeoutTriggered )
+					return func.apply( this, arguments );
+				// Otherwise, wait.
+				funcArgs = arguments;
+				funcContext = this;
+				funcTriggered = true;
+			};
+		},
+
+		toggleInternalLinking : function( event ) {
+			var panel = $('#search-panel'),
+				widget = inputs.dialog.wpdialog('widget'),
+				// We're about to toggle visibility; it's currently the opposite
+				visible = !panel.is(':visible'),
+				win = $(window);
+
+			$(this).toggleClass('toggle-arrow-active', visible);
+
+			inputs.dialog.height('auto');
+			panel.slideToggle( 300, function() {
+				setUserSetting('wplink', visible ? '1' : '0');
+				inputs[ visible ? 'search' : 'url' ].focus();
+
+				// Move the box if the box is now expanded, was opened in a collapsed state,
+				// and if it needs to be moved. (Judged by bottom not being positive or
+				// bottom being smaller than top.)
+				var scroll = win.scrollTop(),
+					top = widget.offset().top,
+					bottom = top + widget.outerHeight(),
+					diff = bottom - win.height();
+
+				if ( diff > scroll ) {
+					widget.animate({'top': diff < top ?  top - diff : scroll }, 200);
+				}
+			});
+			event.preventDefault();
+		}
+	}
+
+	River = function( element, search ) {
+		var self = this;
+		this.element = element;
+		this.ul = element.children('ul');
+		this.waiting = element.find('.river-waiting');
+
+		this.change( search );
+		this.refresh();
+
+		element.scroll( function(){ self.maybeLoad(); });
+		element.delegate('li', 'click', function(e){ self.select( $(this), e ); });
+	};
+
+	$.extend( River.prototype, {
+		refresh: function() {
+			this.deselect();
+			this.visible = this.element.is(':visible');
+		},
+		show: function() {
+			if ( ! this.visible ) {
+				this.deselect();
+				this.element.show();
+				this.visible = true;
+			}
+		},
+		hide: function() {
+			this.element.hide();
+			this.visible = false;
+		},
+		// Selects a list item and triggers the river-select event.
+		select: function( li, event ) {
+			var liHeight, elHeight, liTop, elTop;
+
+			if ( li.hasClass('unselectable') || li == this.selected )
+				return;
+
+			this.deselect();
+			this.selected = li.addClass('selected');
+			// Make sure the element is visible
+			liHeight = li.outerHeight();
+			elHeight = this.element.height();
+			liTop = li.position().top;
+			elTop = this.element.scrollTop();
+
+			if ( liTop < 0 ) // Make first visible element
+				this.element.scrollTop( elTop + liTop );
+			else if ( liTop + liHeight > elHeight ) // Make last visible element
+				this.element.scrollTop( elTop + liTop - elHeight + liHeight );
+
+			// Trigger the river-select event
+			this.element.trigger('river-select', [ li, event, this ]);
+		},
+		deselect: function() {
+			if ( this.selected )
+				this.selected.removeClass('selected');
+			this.selected = false;
+		},
+		prev: function() {
+			if ( ! this.visible )
+				return;
+
+			var to;
+			if ( this.selected ) {
+				to = this.selected.prev('li');
+				if ( to.length )
+					this.select( to );
+			}
+		},
+		next: function() {
+			if ( ! this.visible )
+				return;
+
+			var to = this.selected ? this.selected.next('li') : $('li:not(.unselectable):first', this.element);
+			if ( to.length )
+				this.select( to );
+		},
+		ajax: function( callback ) {
+			var self = this,
+				delay = this.query.page == 1 ? 0 : wpLink.minRiverAJAXDuration,
+				response = wpLink.delayedCallback( function( results, params ) {
+					self.process( results, params );
+					if ( callback )
+						callback( results, params );
+				}, delay );
+
+			this.query.ajax( response );
+		},
+		change: function( search ) {
+			if ( this.query && this._search == search )
+				return;
+
+			this._search = search;
+			this.query = new Query( search );
+			this.element.scrollTop(0);
+		},
+		process: function( results, params ) {
+			var list = '', alt = true, classes = '',
+				firstPage = params.page == 1;
+
+			if ( !results ) {
+				if ( firstPage ) {
+					list += '<li class="unselectable"><span class="item-title"><em>'
+					+ wpLinkL10n.noMatchesFound
+					+ '</em></span></li>';
+				}
+			} else {
+				$.each( results, function() {
+					classes = alt ? 'alternate' : '';
+					classes += this['title'] ? '' : ' no-title';
+					list += classes ? '<li class="' + classes + '">' : '<li>';
+					list += '<input type="hidden" class="item-permalink" value="' + this['permalink'] + '" />';
+					list += '<span class="item-title">';
+					list += this['title'] ? this['title'] : wpLinkL10n.noTitle;
+					list += '</span><span class="item-info">' + this['info'] + '</span></li>';
+					alt = ! alt;
+				});
+			}
+
+			this.ul[ firstPage ? 'html' : 'append' ]( list );
+		},
+		maybeLoad: function() {
+			var self = this,
+				el = this.element,
+				bottom = el.scrollTop() + el.height();
+
+			if ( ! this.query.ready() || bottom < this.ul.height() - wpLink.riverBottomThreshold )
+				return;
+
+			setTimeout(function() {
+				var newTop = el.scrollTop(),
+					newBottom = newTop + el.height();
+
+				if ( ! self.query.ready() || newBottom < self.ul.height() - wpLink.riverBottomThreshold )
+					return;
+
+				self.waiting.show();
+				el.scrollTop( newTop + self.waiting.outerHeight() );
+
+				self.ajax( function() { self.waiting.hide(); });
+			}, wpLink.timeToTriggerRiver );
+		}
+	});
+
+	Query = function( search ) {
+		this.page = 1;
+		this.allLoaded = false;
+		this.querying = false;
+		this.search = search;
+	};
+
+	$.extend( Query.prototype, {
+		ready: function() {
+			return !( this.querying || this.allLoaded );
+		},
+		ajax: function( callback ) {
+			var self = this,
+				query = {
+					action : 'wp-link-ajax',
+					page : this.page,
+					'_ajax_linking_nonce' : inputs.nonce.val()
+				};
+
+			if ( this.search )
+				query.search = this.search;
+
+			this.querying = true;
+
+			$.post( ajaxurl, query, function(r) {
+				self.page++;
+				self.querying = false;
+				self.allLoaded = !r;
+				callback( r, query );
+			}, "json" );
+		}
+	});
+
+	$(document).ready( wpLink.init );
+})(jQuery);