(function(){function $(id){return document.getElementById(id);}
function setStyleDisplay(id,status){$(id).style.display=status;}
function goTop(a,t){a=a||0.1;t=t||16;var x1=0;var y1=0;var x2=0;var y2=0;var x3=0;var y3=0;if(document.documentElement){x1=document.documentElement.scrollLeft||0;y1=document.documentElement.scrollTop||0;}
if(document.body){x2=document.body.scrollLeft||0;y2=document.body.scrollTop||0;}
var x3=window.scrollX||0;var y3=window.scrollY||0;var x=Math.max(x1,Math.max(x2,x3));var y=Math.max(y1,Math.max(y2,y3));var speed=1+a;window.scrollTo(Math.floor(x/speed),Math.floor(y/speed));if(x>0||y>0){var f="MGJS.goTop("+a+", "+t+")";window.setTimeout(f,t);}}
function switchTab(showPanels,hidePanels,activeTab,activeClass,fadeTab,fadeClass){$(activeTab).className=activeClass;$(fadeTab).className=fadeClass;var panel,panelList;panelList=showPanels.split(',');for(var i=0;i<panelList.length;i++){var panel=panelList[i];if($(panel)){setStyleDisplay(panel,'block');}}
panelList=hidePanels.split(',');for(var i=0;i<panelList.length;i++){panel=panelList[i];if($(panel)){setStyleDisplay(panel,'none');}}}
function loadCommentShortcut(){$('comment').onkeydown=function(moz_ev){var ev=null;if(window.event){ev=window.event;}else{ev=moz_ev;}
if(ev!=null&&ev.ctrlKey&&ev.keyCode==13){$('submit').click();}}
$('submit').value+=' (Ctrl+Enter)';}
function getElementsByClassName(className,tag,parent){parent=parent||document;var allTags=(tag=='*'&&parent.all)?parent.all:parent.getElementsByTagName(tag);var matchingElements=new Array();className=className.replace(/\-/g,'\\-');var regex=new RegExp('(^|\\s)'+className+'(\\s|$)');var element;for(var i=0;i<allTags.length;i++){element=allTags[i];if(regex.test(element.className)){matchingElements.push(element);}}
return matchingElements;}
window['MGJS']={};window['MGJS']['$']=$;window['MGJS']['setStyleDisplay']=setStyleDisplay;window['MGJS']['goTop']=goTop;window['MGJS']['switchTab']=switchTab;window['MGJS']['loadCommentShortcut']=loadCommentShortcut;window['MGJS']['getElementsByClassName']=getElementsByClassName;var Class={create:function(){return function(){this.initialize.apply(this,arguments);}}}
var GhostlyMenu=Class.create();GhostlyMenu.prototype={initialize:function(target,align,sub){this.obj=cleanWhitespace(target);this.align=align||'left';this.sub=sub||-1;this.menu=this.obj.childNodes;if(this.menu.length<2){return;}
this.title=this.menu[0];this.body=this.menu[1];cleanWhitespace(this.body).lastChild.getElementsByTagName('a')[0].className+=' last';setStyle(this.body,'visibility','hidden');setStyle(this.body,'display','block');addListener(this.obj,'mouseover',bind(this,this.activate),false);addListener(this.obj,'mouseout',bind(this,this.deactivate),false);},activate:function(){if(this.sub==1){var pos=currentOffset(this.title);var top=pos[1]-1;var left=getWidth(this.body)-2;if(this.align=='right'){var left=getWidth(this.body)*(-1);}}else{var pos=cumulativeOffset(this.title);var top=pos[1]+getHeight(this.title);var left=pos[0];if(this.align=='right'){left+=getWidth(this.title)-getWidth(this.body);}}
if(!/current/.test(this.title.className)){this.title.className+=' current';}
setStyle(this.body,'left',left+'px');setStyle(this.body,'top',top+'px');setStyle(this.body,'visibility','visible');},deactivate:function(){this.title.className=this.title.className.replace('current','');var thismenu=this;var tid=setInterval(function(){clearInterval(tid);if(!/current/.test(thismenu.title.className)){setStyle(thismenu.body,'visibility','hidden');}
return false;},400);}}
$A=function(iterable){if(!iterable){return[];}
if(iterable.toArray){return iterable.toArray();}else{var results=[];for(var i=0;i<iterable.length;i++){results.push(iterable[i]);}
return results;}}
bind=function(){var array=this.$A(arguments);var func=array[array.length-1];var method=func,args=array,object=args.shift();return function(){return method.apply(object,args.concat(array));}}
getHeight=function(element){return element.offsetHeight;}
getWidth=function(element){return element.offsetWidth;}
setStyle=function(element,key,value){element.style[key]=value;}
cleanWhitespace=function(list){var node=list.firstChild;while(node){var nextNode=node.nextSibling;if(node.nodeType==3&&!/\S/.test(node.nodeValue)){list.removeChild(node);}
node=nextNode;}
return list;}
currentOffset=function(element){var valueT=element.offsetTop||0;var valueL=element.offsetLeft||0;return[valueL,valueT];}
cumulativeOffset=function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;}while(element);return[valueL,valueT];}
addListener=function(element,name,observer,useCapture){if(element.addEventListener){element.addEventListener(name,observer,useCapture);}else if(element.attachEvent){element.attachEvent('on'+name,observer);}}
function loadMenus(){var align='left';for(var i=0;(a=document.getElementsByTagName('link')[i]);i++){if((a.getAttribute('rel')=='stylesheet')&&(a.getAttribute('href').indexOf('rtl.css')!=-1)){align='right';}}
var subscribe=document.getElementById('subscribe');if(subscribe){new GhostlyMenu(subscribe,align);}
var menubar=document.getElementById('menus');if(menubar){var list=menubar.getElementsByTagName('ul');for(var i=0;i<list.length;i++){var menu=list[i].parentNode;if(menu.parentNode===menubar){new GhostlyMenu(menu,align);}else{new GhostlyMenu(menu,align,1);menu.firstChild.className+=' subtitle';}}}}
if(document.addEventListener){document.addEventListener("DOMContentLoaded",loadMenus,false);}else if(/MSIE/i.test(navigator.userAgent)){document.write('<script id="__ie_onload_for_inove" defer src="javascript:void(0)"></script>');var script=document.getElementById('__ie_onload_for_inove');script.onreadystatechange=function(){if(this.readyState=='complete'){loadMenus();}}}else if(/WebKit/i.test(navigator.userAgent)){var _timer=setInterval(function(){if(/loaded|complete/.test(document.readyState)){clearInterval(_timer);loadMenus();}},10);}else{window.onload=function(e){loadMenus();}}})();startList=function(){navRoot=document.getElementById("g_nav");for(i=0;i<navRoot.childNodes.length;i++){node=navRoot.childNodes[i];if(node.nodeName=="LI"){node.onmouseover=function(){this.className+=" over";}
node.onmouseout=function(){this.className=this.className.replace(" over","");}}}}
var scrolltotop={setting:{startline:100,scrollto:0,scrollduration:1000,fadeduration:[500,100]},controlHTML:'<img src="http://surda.cn/blog/wp-content/themes/inove/img/top.gif" style="width:24px; height:24px" />',controlattrs:{offsetx:5,offsety:5},anchorkeyword:'#top',state:{isvisible:false,shouldvisible:false},scrollup:function(){if(!this.cssfixedsupport)
this.$control.css({opacity:0})
var dest=isNaN(this.setting.scrollto)?this.setting.scrollto:parseInt(this.setting.scrollto)
if(typeof dest=="string"&&jQuery('#'+dest).length==1)
dest=jQuery('#'+dest).offset().top
else
dest=0
this.$body.animate({scrollTop:dest},this.setting.scrollduration);},keepfixed:function(){var $window=jQuery(window)
var controlx=$window.scrollLeft()+$window.width()-this.$control.width()-this.controlattrs.offsetx
var controly=$window.scrollTop()+$window.height()-this.$control.height()-this.controlattrs.offsety
this.$control.css({left:controlx+'px',top:controly+'px'})},togglecontrol:function(){var scrolltop=jQuery(window).scrollTop()
if(!this.cssfixedsupport)
this.keepfixed()
this.state.shouldvisible=(scrolltop>=this.setting.startline)?true:false
if(this.state.shouldvisible&&!this.state.isvisible){this.$control.stop().animate({opacity:1},this.setting.fadeduration[0])
this.state.isvisible=true}
else if(this.state.shouldvisible==false&&this.state.isvisible){this.$control.stop().animate({opacity:0},this.setting.fadeduration[1])
this.state.isvisible=false}},init:function(){jQuery(document).ready(function($){var mainobj=scrolltotop
var iebrws=document.all
mainobj.cssfixedsupport=!iebrws||iebrws&&document.compatMode=="CSS1Compat"&&window.XMLHttpRequest
mainobj.$body=(window.opera)?(document.compatMode=="CSS1Compat"?$('html'):$('body')):$('html,body')
mainobj.$control=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>').css({position:mainobj.cssfixedsupport?'fixed':'absolute',bottom:mainobj.controlattrs.offsety,right:mainobj.controlattrs.offsetx,opacity:0,cursor:'pointer'}).attr({title:'Click Me Go Top'}).click(function(){mainobj.scrollup();return false}).appendTo('body')
if(document.all&&!window.XMLHttpRequest&&mainobj.$control.text()!='')
mainobj.$control.css({width:mainobj.$control.width()})
mainobj.togglecontrol()
$('a[href="'+mainobj.anchorkeyword+'"]').click(function(){mainobj.scrollup()
return false})
$(window).bind('scroll resize',function(e){mainobj.togglecontrol()})})}}
scrolltotop.init()