function $(e){if(typeof e=='string')e=document.getElementById(e);return e};
function collect(a,f){var n=[];for(var i=0;i<a.length;i++){var v=f(a[i]);if(v!=null)n.push(v)}return n};
ajax={};
ajax.x=function(){try{return new ActiveXObject('Msxml2.XMLHTTP')}catch(e){try{return new ActiveXObject('Microsoft.XMLHTTP')}catch(e){return new XMLHttpRequest()}}};
ajax.serialize=function(frm){var g=function(n){return document.forms[frm].getElementsByTagName(n)};var nv=function(e){if(e.name)return encodeURIComponent(e.name)+'='+encodeURIComponent(e.value);else return ''};var i=collect(g('input'),function(i){if((i.type!='radio'&&i.type!='checkbox')||i.checked)return nv(i)});var s=collect(g('select'),nv);var t=collect(g('textarea'),nv);return i.concat(s).concat(t).join('&');};
ajax.send=function(u,f,m,a){var x=ajax.x();x.open(m,u,true);x.onreadystatechange=function(){if(x.readyState==4)f(x.responseText)};if(m=='POST')x.setRequestHeader('Content-type','application/x-www-form-urlencoded');x.send(a)};
ajax.get=function(url,func){ajax.send(url,func,'GET')};
ajax.gets=function(url){var x=ajax.x();x.open('GET',url,false);x.send(null);return x.responseText};
ajax.post=function(url,func,args){ajax.send(url,func,'POST',args)};
ajax.update=function(url,elm){var e=$(elm);e.innerHTML="<table border='0' align=center valign=middle><tr height='260'><td valign=middle align=right><img src=images/site/loading.gif height=16></td><td><font size='2' color='black'><b>Loading...</b></font></td></tr></table>";var f=function(r){e.innerHTML=r;e.style.visibility='hidden';fadeIn(elm, 10, 1000);var x=e.getElementsByTagName("script");for(var i=0;i<x.length;i++){eval(x[i].text);}};ajax.get(url,f);};
ajax.submit=function(url,elm,frm){var e=$(elm);var f=function(r){e.innerHTML=r;var x=e.getElementsByTagName("script");for(var i=0;i<x.length;i++){eval(x[i].text);}};ajax.post(url,f,ajax.serialize(frm))};