function addEvent(elm,evType,fn,capture){
if(!capture)var capture=true;
if(elm.addEventListener){elm.addEventListener(evType,fn,capture);return true;}
else if(elm.attachEvent){var r=elm.attachEvent('on'+evType,fn);return r;}
else{elm['on'+evType]=fn;}
}
function getPosition(offsetTrail){
var offsetLeft=0;
var offsetTop=0;
while(offsetTrail){
offsetLeft+=offsetTrail.offsetLeft;
offsetTop+=offsetTrail.offsetTop;
offsetTrail=offsetTrail.offsetParent;
}
if(navigator.userAgent.indexOf("Mac")!=-1&&typeof document.body.leftMargin!="undefined"){
offsetLeft+=document.body.leftMargin;
offsetTop+=document.body.topMargin;
}
var xy=new Array(offsetLeft,offsetTop);
return xy;
}
function findTarget(e){
var element;
if(!e)var e=window.event;
if(e.target)element=e.target;
else if(e.srcElement)element=e.srcElement;
if(element.nodeType==3)element=element.parentNode;
return element;
}
function getAll(e){return e.all?e.all:e.getElementsByTagName('*');}
function getElementsByCSS(selector){if(!document.getElementsByTagName)return new Array();var tks=selector.split(' '),cc=new Array(document);for(var i=0;i<tks.length;i++){tk=tks[i].replace(/^\s+/,'').replace(/\s+$/,'');if(tk.indexOf('#')>-1){var bits=tk.split('#'),tn=bits[0],id=bits[1],el=document.getElementById(id);if(tn&&el.nodeName.toLowerCase()!=tn)return new Array();cc=new Array(el);continue;}if(tk.indexOf('.')>-1){var bits=tk.split('.'),tn=bits[0],className=bits[1],fnd=new Array,fc=0;if(!tn)tn='*';for(var h=0;h<cc.length;h++){var es;if(tn=='*')es=getAll(cc[h]);else es=cc[h].getElementsByTagName(tn);for(var j=0;j<es.length;j++){fnd[fc++]=es[j];}}cc=new Array;var ccIndex=0;for(var k=0;k<fnd.length;k++){if(fnd[k].className&&fnd[k].className.match(new RegExp('\\b'+className+'\\b')))cc[ccIndex++]=fnd[k];}continue;}if(tk.match(/^(\w*)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/)){var tn=RegExp.$1,an=RegExp.$2,attrOperator=RegExp.$3,av=RegExp.$4,fnd=new Array,fc=0;if(!tn)tn='*';for(var h=0;h<cc.length;h++){var es;if(tn=='*')es=getAll(cc[h]);else es=cc[h].getElementsByTagName(tn);for(var j=0;j<es.length;j++){fnd[fc++]=es[j];}}cc=new Array;var ccIndex=0,cf;switch(attrOperator){case '=':cf=function(e){return(e.getAttribute(an)==av);};break;case '~':cf=function(e){return(e.getAttribute(an).match(new RegExp('\\b'+av+'\\b')));};break;case '|':cf=function(e){return(e.getAttribute(an).match(new RegExp('^'+av+'-?')));};break;case '^':cf=function(e){return(e.getAttribute(an).indexOf(av)==0);};break;case '$':cf=function(e){return(e.getAttribute(an).lastIndexOf(av)==e.getAttribute(an).length-av.length);};break;case '*':cf=function(e){return(e.getAttribute(an).indexOf(av)>-1);};break;default:cf=function(e){return e.getAttribute(an);};}cc=new Array;var ccIndex=0;for(var k=0;k<fnd.length;k++)if(cf(fnd[k]))cc[ccIndex++]=fnd[k];continue;}tn=tk;var fnd=new Array,fc=0;for(var h=0;h<cc.length;h++){var es=cc[h].getElementsByTagName(tn);for(var j=0;j<es.length;j++)fnd[fc++]=es[j];}cc=fnd;}return cc;}
function getElementsByClassName(classname,tag){if(!tag)var tag="";return getElementsByCSS(tag+"."+classname);}
function $(id){return document.getElementById(id);}
function toggle(item,state){if(state)item.style.display=state;else item.style.display=(item.style.display=="block")?"none":"block";}
var jx={
http:false,
return_type:'json',
getHTTPObject:function(){
var xmlhttp=false;
if(typeof ActiveXObject!='undefined'){
try{xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");}
catch(e){
try{xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}
catch(E){xmlhttp=false;}
}
}else if(XMLHttpRequest){
xmlhttp=new XMLHttpRequest();
}
return xmlhttp;
},
load:function(url,callback,return_type){this.getData(url,callback,return_type);},
getData:function(url,callback,return_type){
if(!this.http){
this.init();
if(!this.http)return;
}
if(!return_type)var return_type="text";
this.return_type=return_type.toLowerCase();
this.http.open("GET",url,true);
this.http.onreadystatechange=function(){
if(jx.http.readyState==4){
var result="";
if(jx.http.responseText)result=jx.http.responseText;
if(jx.return_type=="json"||jx.return_type=="j")result=eval('('+result+')');
if(callback)callback(result);
}}
this.http.send(null);
},
init:function(){this.http=this.getHTTPObject();}
}
var rel="";
function siteInit(){
var org_loc=document.location.toString();
var sl=0,in_comp=0;
if(!org_loc.indexOf("http://localhost/")){loc=org_loc.replace("http://localhost/","");in_comp=1;}
else if(!org_loc.indexOf("http://www.alanlai.net"))loc=org_loc.replace("http://www.alanlai.net","")
else loc=org_loc;
for(var i=0;i<loc.length;i++){
if(loc.charAt(i)=="/"){
if(sl)rel=rel+"../";
sl++;}
}}
addEvent(window,'load',siteInit);