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(f){
var g=function(n){return f.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);
var f=function(r){
e.innerHTML=r
var repl = new RegExp('[\r\n]', 'g');
r = r.replace(repl, ' ');
var src = new RegExp('<script.*?</script>', 'g');
matches = r.match(src);
if (matches != null){
for(var j = 0;j<matches.length;j++){
repl = new RegExp('<script.*?>', 'gm');
evl = matches[j].replace(repl, '');
repl = new RegExp('</script>', 'gm');
evl = evl.replace(repl, '');
setTimeout(evl,250);
}
}
};
ajax.get(url,f)
};

ajax.submit=function(url,elm,frm){var e=$(elm);var f=function(r){e.innerHTML=r};ajax.post(url,f,ajax.serialize(frm))};