// FS Framework - http://www.fazedordesite.com
// ALIAS
function $id() {
  var elements = new Array();
  var totArgs = arguments.length;
  for (var i = 0; i < totArgs; i++) {
    if (typeof arguments[i] == 'string') arguments[i] = document.getElementById(arguments[i]);
    if (arguments.length == 1) return arguments[i];
    elements.push(arguments[i]);
  }
  return elements;
}
// ==========================================
// AJAX
function ajax(url, div, info, method, formID, script, func){
	this.url = url; // content url
	this.method = (method) ? method : 'GET'; // method GET or POST, by standard  "GET"
	this.div = div; // content destination
	var w;
	if (div=='div_central')
		w = 611;
	else w = 250;
	this.info = (info) ? "<div style='width:"+w+"px;height:2px; margin-top:-250px'><table border='0' cellpadding='0' cellspacing='0'><tr><td ALIGN='center' class='carregando'><img src='images/icon_carrega.gif'  align='absmiddle' /><BR>"+info+"</td></tr></table></div>" : 'loading'; // while loading
	this.formID = formID; // form ID is required for post requests only
	this.script = (script==0 || script==1) ? script : 1;
	this.func = func;
}
ajax.prototype = {
    connect: function(){
		if(!this.url) return;
        this.xmlHttp = null;
		if( window.XMLHttpRequest ) this.xmlHttp = new XMLHttpRequest(); // All browsers
		else if( window.ActiveXObject){ // IE
			try{
				this.xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e){
				try{
					this.xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
		}
		if(this.xmlHttp != null && this.xmlHttp != undefined ){
			var object = this;
			this.xmlHttp.onreadystatechange = function(){ object.getState.call(object); }
			
			if(this.method=="GET") this.executeGET(); // get request
			else this.executePOST() // post request		
		}
	},
	getState: function(){
		if(this.xmlHttp.readyState == 4 ){
			this.result(this.xmlHttp.responseText);
			if(this.script) this.executeScripts(this.xmlHttp.responseText);
			if(this.func!=null) eval(this.func);
		} else this.loading();
	},
	executeGET: function(){
		this.xmlHttp.open(this.method,this.url, true);
		this.xmlHttp.send(null);
		
	},
	executePOST: function(){
		var fields = "";
		if(!this.formID) alert("Erro: falta indicar FORM");
		for(i=0;i<$id(this.formID).length;i++){
			fields+=$id(this.formID)[i].name+"="+$id(this.formID)[i].value+"&";
		}
		this.xmlHttp.open(this.method,this.url, true);
		this.xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		this.xmlHttp.send(fields);		
	},	
	executeScripts: function(text){
		var ini = 0;
		while (ini!=-1){
			ini = text.indexOf('<script', ini);
			if (ini >=0){
				ini = text.indexOf('>', ini) + 1;
				var fim = text.indexOf('</script>', ini);
				text = text.substring(ini,fim);
				eval(text);
			}
		}
	},
    loading: function(){
		this.result(this.info)
	},           
	result: function(r){ $id(this.div).innerHTML= r; }
}
function fsAjax(url, div, info, method, formID, script,func){
//	alert(div);
	var requestContent = new ajax(url, div, info, method, formID, script,func);
	requestContent.connect();
}

/* END OF AJAX */