if(typeof(dojo)!='undefined'){dojo.provide('MochiKit.Signal');dojo.require('MochiKit.Base');dojo.require('MochiKit.DOM');dojo.require('MochiKit.Style');}
if(typeof(JSAN)!='undefined'){JSAN.use('MochiKit.Base',[]);JSAN.use('MochiKit.DOM',[]);JSAN.use('MochiKit.Style',[]);}
try{if(typeof(MochiKit.Base)=='undefined'){throw'';}}catch(e){throw'MochiKit.Signal depends on MochiKit.Base!';}
try{if(typeof(MochiKit.DOM)=='undefined'){throw'';}}catch(e){throw'MochiKit.Signal depends on MochiKit.DOM!';}
try{if(typeof(MochiKit.Style)=='undefined'){throw'';}}catch(e){throw'MochiKit.Signal depends on MochiKit.Style!';}
if(typeof(MochiKit.Signal)=='undefined'){MochiKit.Signal={};}
MochiKit.Signal.NAME='MochiKit.Signal';MochiKit.Signal.VERSION='1.4';MochiKit.Signal._observers=[];MochiKit.Signal.Event=function(src,e){this._event=e||window.event;this._src=src;};MochiKit.Base.update(MochiKit.Signal.Event.prototype,{__repr__:function(){var repr=MochiKit.Base.repr;var str='{event(): '+repr(this.event())+', src(): '+repr(this.src())+', type(): '+repr(this.type())+', target(): '+repr(this.target())+', modifier(): '+'{alt: '+repr(this.modifier().alt)+', ctrl: '+repr(this.modifier().ctrl)+', meta: '+repr(this.modifier().meta)+', shift: '+repr(this.modifier().shift)+', any: '+repr(this.modifier().any)+'}';if(this.type()&&this.type().indexOf('key')===0){str+=', key(): {code: '+repr(this.key().code)+', string: '+repr(this.key().string)+'}';}
if(this.type()&&(this.type().indexOf('mouse')===0||this.type().indexOf('click')!=-1||this.type()=='contextmenu')){str+=', mouse(): {page: '+repr(this.mouse().page)+', client: '+repr(this.mouse().client);if(this.type()!='mousemove'){str+=', button: {left: '+repr(this.mouse().button.left)+', middle: '+repr(this.mouse().button.middle)+', right: '+repr(this.mouse().button.right)+'}}';}else{str+='}';}}
if(this.type()=='mouseover'||this.type()=='mouseout'){str+=', relatedTarget(): '+repr(this.relatedTarget());}
str+='}';return str;},toString:function(){return this.__repr__();},src:function(){return this._src;},event:function(){return this._event;},type:function(){return this._event.type||undefined;},target:function(){return this._event.target||this._event.srcElement;},_relatedTarget:null,relatedTarget:function(){if(this._relatedTarget!==null){return this._relatedTarget;}
var elem=null;if(this.type()=='mouseover'){elem=(this._event.relatedTarget||this._event.fromElement);}else if(this.type()=='mouseout'){elem=(this._event.relatedTarget||this._event.toElement);}
if(elem!==null){this._relatedTarget=elem;return elem;}
return undefined;},_modifier:null,modifier:function(){if(this._modifier!==null){return this._modifier;}
var m={};m.alt=this._event.altKey;m.ctrl=this._event.ctrlKey;m.meta=this._event.metaKey||false;m.shift=this._event.shiftKey;m.any=m.alt||m.ctrl||m.shift||m.meta;this._modifier=m;return m;},_key:null,key:function(){if(this._key!==null){return this._key;}
var k={};if(this.type()&&this.type().indexOf('key')===0){if(this.type()=='keydown'||this.type()=='keyup'){k.code=this._event.keyCode;k.string=(MochiKit.Signal._specialKeys[k.code]||'KEY_UNKNOWN');this._key=k;return k;}else if(this.type()=='keypress'){k.code=0;k.string='';if(typeof(this._event.charCode)!='undefined'&&this._event.charCode!==0&&!MochiKit.Signal._specialMacKeys[this._event.charCode]){k.code=this._event.charCode;k.string=String.fromCharCode(k.code);}else if(this._event.keyCode&&typeof(this._event.charCode)=='undefined'){k.code=this._event.keyCode;k.string=String.fromCharCode(k.code);}
this._key=k;return k;}}
return undefined;},_mouse:null,mouse:function(){if(this._mouse!==null){return this._mouse;}
var m={};var e=this._event;if(this.type()&&(this.type().indexOf('mouse')===0||this.type().indexOf('click')!=-1||this.type()=='contextmenu')){m.client=new MochiKit.Style.Coordinates(0,0);if(e.clientX||e.clientY){m.client.x=(!e.clientX||e.clientX<0)?0:e.clientX;m.client.y=(!e.clientY||e.clientY<0)?0:e.clientY;}
m.page=new MochiKit.Style.Coordinates(0,0);if(e.pageX||e.pageY){m.page.x=(!e.pageX||e.pageX<0)?0:e.pageX;m.page.y=(!e.pageY||e.pageY<0)?0:e.pageY;}else{var de=MochiKit.DOM._document.documentElement;var b=MochiKit.DOM._document.body;m.page.x=e.clientX+
(de.scrollLeft||b.scrollLeft)-
(de.clientLeft||0);m.page.y=e.clientY+
(de.scrollTop||b.scrollTop)-
(de.clientTop||0);}
if(this.type()!='mousemove'){m.button={};m.button.left=false;m.button.right=false;m.button.middle=false;if(e.which){m.button.left=(e.which==1);m.button.middle=(e.which==2);m.button.right=(e.which==3);}else{m.button.left=!!(e.button&1);m.button.right=!!(e.button&2);m.button.middle=!!(e.button&4);}}
this._mouse=m;return m;}
return undefined;},stop:function(){this.stopPropagation();this.preventDefault();},stopPropagation:function(){if(this._event.stopPropagation){this._event.stopPropagation();}else{this._event.cancelBubble=true;}},preventDefault:function(){if(this._event.preventDefault){this._event.preventDefault();}else if(this._confirmUnload===null){this._event.returnValue=false;}},_confirmUnload:null,confirmUnload:function(msg){if(this.type()=='beforeunload'){this._confirmUnload=msg;this._event.returnValue=msg;}}});MochiKit.Signal._specialMacKeys={3:'KEY_ENTER',63289:'KEY_NUM_PAD_CLEAR',63276:'KEY_PAGE_UP',63277:'KEY_PAGE_DOWN',63275:'KEY_END',63273:'KEY_HOME',63234:'KEY_ARROW_LEFT',63232:'KEY_ARROW_UP',63235:'KEY_ARROW_RIGHT',63233:'KEY_ARROW_DOWN',63302:'KEY_INSERT',63272:'KEY_DELETE'};for(i=63236;i<=63242;i++){MochiKit.Signal._specialMacKeys[i]='KEY_F'+(i-63236+1);}
MochiKit.Signal._specialKeys={8:'KEY_BACKSPACE',9:'KEY_TAB',12:'KEY_NUM_PAD_CLEAR',13:'KEY_ENTER',16:'KEY_SHIFT',17:'KEY_CTRL',18:'KEY_ALT',19:'KEY_PAUSE',20:'KEY_CAPS_LOCK',27:'KEY_ESCAPE',32:'KEY_SPACEBAR',33:'KEY_PAGE_UP',34:'KEY_PAGE_DOWN',35:'KEY_END',36:'KEY_HOME',37:'KEY_ARROW_LEFT',38:'KEY_ARROW_UP',39:'KEY_ARROW_RIGHT',40:'KEY_ARROW_DOWN',44:'KEY_PRINT_SCREEN',45:'KEY_INSERT',46:'KEY_DELETE',59:'KEY_SEMICOLON',91:'KEY_WINDOWS_LEFT',92:'KEY_WINDOWS_RIGHT',93:'KEY_SELECT',106:'KEY_NUM_PAD_ASTERISK',107:'KEY_NUM_PAD_PLUS_SIGN',109:'KEY_NUM_PAD_HYPHEN-MINUS',110:'KEY_NUM_PAD_FULL_STOP',111:'KEY_NUM_PAD_SOLIDUS',144:'KEY_NUM_LOCK',145:'KEY_SCROLL_LOCK',186:'KEY_SEMICOLON',187:'KEY_EQUALS_SIGN',188:'KEY_COMMA',189:'KEY_HYPHEN-MINUS',190:'KEY_FULL_STOP',191:'KEY_SOLIDUS',192:'KEY_GRAVE_ACCENT',219:'KEY_LEFT_SQUARE_BRACKET',220:'KEY_REVERSE_SOLIDUS',221:'KEY_RIGHT_SQUARE_BRACKET',222:'KEY_APOSTROPHE'};for(var i=48;i<=57;i++){MochiKit.Signal._specialKeys[i]='KEY_'+(i-48);}
for(i=65;i<=90;i++){MochiKit.Signal._specialKeys[i]='KEY_'+String.fromCharCode(i);}
for(i=96;i<=105;i++){MochiKit.Signal._specialKeys[i]='KEY_NUM_PAD_'+(i-96);}
for(i=112;i<=123;i++){MochiKit.Signal._specialKeys[i]='KEY_F'+(i-112+1);}
MochiKit.Base.update(MochiKit.Signal,{__repr__:function(){return'['+this.NAME+' '+this.VERSION+']';},toString:function(){return this.__repr__();},_unloadCache:function(){var self=MochiKit.Signal;var observers=self._observers;for(var i=0;i<observers.length;i++){self._disconnect(observers[i]);}
delete self._observers;try{window.onload=undefined;}catch(e){}
try{window.onunload=undefined;}catch(e){}},_listener:function(src,func,obj,isDOM){var E=MochiKit.Signal.Event;if(!isDOM){return MochiKit.Base.bind(func,obj);}
obj=obj||src;if(typeof(func)=="string"){return function(nativeEvent){obj[func].apply(obj,[new E(src,nativeEvent)]);};}else{return function(nativeEvent){func.apply(obj,[new E(src,nativeEvent)]);};}},_browserAlreadyHasMouseEnterAndLeave:function(){return/MSIE/.test(navigator.userAgent);},_mouseEnterListener:function(src,sig,func,obj){var E=MochiKit.Signal.Event;return function(nativeEvent){var e=new E(src,nativeEvent);try{e.relatedTarget().nodeName;}catch(err){return;}
e.stop();if(MochiKit.DOM.isChildNode(e.relatedTarget(),src)){return;}
e.type=function(){return sig;};if(typeof(func)=="string"){return obj[func].apply(obj,[e]);}else{return func.apply(obj,[e]);}};},connect:function(src,sig,objOrFunc,funcOrStr){src=MochiKit.DOM.getElement(src);var self=MochiKit.Signal;if(typeof(sig)!='string'){throw new Error("'sig' must be a string");}
var obj=null;var func=null;if(typeof(funcOrStr)!='undefined'){obj=objOrFunc;func=funcOrStr;if(typeof(funcOrStr)=='string'){if(typeof(objOrFunc[funcOrStr])!="function"){throw new Error("'funcOrStr' must be a function on 'objOrFunc'");}}else if(typeof(funcOrStr)!='function'){throw new Error("'funcOrStr' must be a function or string");}}else if(typeof(objOrFunc)!="function"){throw new Error("'objOrFunc' must be a function if 'funcOrStr' is not given");}else{func=objOrFunc;}
if(typeof(obj)=='undefined'||obj===null){obj=src;}
var isDOM=!!(src.addEventListener||src.attachEvent);if(isDOM&&(sig==="onmouseenter"||sig==="onmouseleave")&&!self._browserAlreadyHasMouseEnterAndLeave()){var listener=self._mouseEnterListener(src,sig.substr(2),func,obj);if(sig==="onmouseenter"){sig="onmouseover";}else{sig="onmouseout";}}else{var listener=self._listener(src,func,obj,isDOM);}
if(src.addEventListener){src.addEventListener(sig.substr(2),listener,false);}else if(src.attachEvent){src.attachEvent(sig,listener);}
var ident=[src,sig,listener,isDOM,objOrFunc,funcOrStr];self._observers.push(ident);return ident;},_disconnect:function(ident){if(!ident[3]){return;}
var src=ident[0];var sig=ident[1];var listener=ident[2];if(src.removeEventListener){src.removeEventListener(sig.substr(2),listener,false);}else if(src.detachEvent){src.detachEvent(sig,listener);}else{throw new Error("'src' must be a DOM element");}},disconnect:function(ident){var self=MochiKit.Signal;var observers=self._observers;var m=MochiKit.Base;if(arguments.length>1){var src=MochiKit.DOM.getElement(arguments[0]);var sig=arguments[1];var obj=arguments[2];var func=arguments[3];for(var i=observers.length-1;i>=0;i--){var o=observers[i];if(o[0]===src&&o[1]===sig&&o[4]===obj&&o[5]===func){self._disconnect(o);observers.splice(i,1);return true;}}}else{var idx=m.findIdentical(observers,ident);if(idx>=0){self._disconnect(ident);observers.splice(idx,1);return true;}}
return false;},disconnectAll:function(src,sig){src=MochiKit.DOM.getElement(src);var m=MochiKit.Base;var signals=m.flattenArguments(m.extend(null,arguments,1));var self=MochiKit.Signal;var disconnect=self._disconnect;var observers=self._observers;var i,ident;if(signals.length===0){for(i=observers.length-1;i>=0;i--){ident=observers[i];if(ident[0]===src){disconnect(ident);observers.splice(i,1);}}}else{var sigs={};for(i=0;i<signals.length;i++){sigs[signals[i]]=true;}
for(i=observers.length-1;i>=0;i--){ident=observers[i];if(ident[0]===src&&ident[1]in sigs){disconnect(ident);observers.splice(i,1);}}}},signal:function(src,sig){var observers=MochiKit.Signal._observers;src=MochiKit.DOM.getElement(src);var args=MochiKit.Base.extend(null,arguments,2);var errors=[];for(var i=0;i<observers.length;i++){var ident=observers[i];if(ident[0]===src&&ident[1]===sig){try{ident[2].apply(src,args);}catch(e){errors.push(e);}}}
if(errors.length==1){throw errors[0];}else if(errors.length>1){var e=new Error("Multiple errors thrown in handling 'sig', see errors property");e.errors=errors;throw e;}}});MochiKit.Signal.EXPORT_OK=[];MochiKit.Signal.EXPORT=['connect','disconnect','signal','disconnectAll'];MochiKit.Signal.__new__=function(win){var m=MochiKit.Base;this._document=document;this._window=win;try{this.connect(window,'onunload',this._unloadCache);}catch(e){}
this.EXPORT_TAGS={':common':this.EXPORT,':all':m.concat(this.EXPORT,this.EXPORT_OK)};m.nameFunctions(this);};MochiKit.Signal.__new__(this);if(MochiKit.__export__){connect=MochiKit.Signal.connect;disconnect=MochiKit.Signal.disconnect;disconnectAll=MochiKit.Signal.disconnectAll;signal=MochiKit.Signal.signal;}
MochiKit.Base._exportSymbols(this,MochiKit.Signal);