function maGetEl(e){if(typeof e=='string')e=document.getElementById(e);return e};
function maCollect(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 maGetEl(f).getElementsByTagName(n)};
		var nv=function(e){
			if(e.name)return encodeURIComponent(e.name)+'='+encodeURIComponent(e.value);
			else return ''
		};
		var i=maCollect(g('input'),function(i){if((i.type!='radio'&&i.type!='checkbox')||i.checked)return nv(i)});
		var s=maCollect(g('select'),nv);
		var t=maCollect(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=maGetEl(elm);var f=function(r){e.innerHTML=r};ajax.get(url,f)
};
ajax.submit=function(url,elm,frm){var e=maGetEl(elm);var f=function(r){e.innerHTML=r};ajax.post(url,f,ajax.serialize(frm))
};