(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;})();