function getElementsByClassName(classname){
    var a = [];
    var re = new RegExp('\\b' + classname + '\\b');
    var els = document.all?document.all:document.getElementsByTagName("*");
    for(var i=0,j=els.length; i<j; i++)
        if(re.test(els[i].className))a.push(els[i]);
    return a;
}
function indirizzoEmailValido(indirizzo) {
  if (window.RegExp) {
    var nonvalido = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
    var valido = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
    var regnv = new RegExp(nonvalido);
    var regv = new RegExp(valido);
    if (!regnv.test(indirizzo) && regv.test(indirizzo))
      return true;
    return false;
	}
  else {
    if(indirizzo.indexOf("@") >= 0)
      return true;
    return false;
  	}
  };
function createnode(arc){
	newimg=document.createElement('span');
	newimg.className="controllo-form";
	newimg.innerHTML='<em>Campo Necessario</em>';
	arc.appendChild(newimg);	
}
function controllo(gg){
	err=0;
	chan=getElementsByClassName("controllo-form");
	for(z=1;z<=chan.length;z++){
		node=chan[z-1];
		removed=node.parentNode.removeChild(node);
	}
  	reqfields=document.getElementById('required').value.split(',');
	for(i=0;i<reqfields.length;i++){
		f=document.getElementById(reqfields[i]);
		if(reqfields[i]=="posEmail"){
			if(!indirizzoEmailValido(f.value)){
				arc=f.parentNode;
				createnode(arc);
				err++;
			}
		}
		if(f.value=="" || (f.type=="checkbox" && f.checked!=true)){
			arc=f.parentNode;
			createnode(arc);
			err++;
		}
	}
	if(err>0){
		return false;	
	}
}
function associa(){
	var els = document.all?document.all:document.getElementsByTagName("form");
    for(var i=0,j=els.length; i<j; i++){
		asc=els[i];
		//alert(asc.TagName);
		if(asc.getAttribute('id')=="cform"){
			asc.onsubmit= function () {return controllo(this);}	
		}
	}
}

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadstatustext="<div id=\"in-attesa\"><img src='img/loading.gif' /></div>"

////NO NEED TO EDIT BELOW////////////////////////
var loadedobjects=""
var defaultcontentarray=new Object()
var bustcacheparameter=""

function ajaxpage(url, containerid, targetobj){
	var page_request = false;
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE
		try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
			try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
		catch (e){}
		}
	}
	else
		return false
		var ullist=targetobj.parentNode.parentNode.getElementsByTagName("li")
		for (var i=0; i<ullist.length; i++)
			ullist[i].className=""  //deselect all tabs
		targetobj.parentNode.className="selected"  //highlight currently clicked on tab
		if (url.indexOf("#default")!=-1){ //if simply show default content within container (verus fetch it via ajax)
			document.getElementById(containerid).innerHTML=defaultcontentarray[containerid]
			return
		}
		document.getElementById(containerid).innerHTML=loadstatustext
		page_request.onreadystatechange=function(){
		loadpage(page_request, containerid)
	}
	if (bustcachevar) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)
}

function loadpage(page_request, containerid){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
		document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(revattribute){
	if (revattribute!=null && revattribute!=""){ //if "rev" attribute is defined (load external .js or .css files)
		var objectlist=revattribute.split(/\s*,\s*/) //split the files and store as array
		for (var i=0; i<objectlist.length; i++){
			var file=objectlist[i]
			var fileref=""
			if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
				if (file.indexOf(".js")!=-1){ //If object is a js file
					fileref=document.createElement('script')
					fileref.setAttribute("type","text/javascript");
					fileref.setAttribute("src", file);
				}
			else if (file.indexOf(".css")!=-1){ //If object is a css file
				fileref=document.createElement("link")
				fileref.setAttribute("rel", "stylesheet");
				fileref.setAttribute("type", "text/css");
				fileref.setAttribute("href", file);
			}
		}
		if (fileref!=""){
			document.getElementsByTagName("head").item(0).appendChild(fileref)
			loadedobjects+=file+" " //Remember this object as being already added to page
		}
	}
}
}

function savedefaultcontent(contentid){
	if (typeof defaultcontentarray[contentid]=="undefined") 
		defaultcontentarray[contentid]=document.getElementById(contentid).innerHTML
}

function startajaxtabs(){
for (var i=0; i<arguments.length; i++){ //loop through passed UL ids
var ulobj=document.getElementById(arguments[i])
var ulist=ulobj.getElementsByTagName("li") //array containing the LI elements within UL
for (var x=0; x<ulist.length; x++){ //loop through each LI element
var ulistlink=ulist[x].getElementsByTagName("a")[0]
if (ulistlink.getAttribute("rel")){
var modifiedurl=ulistlink.getAttribute("href").replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.hostname+"/")
ulistlink.setAttribute("href", modifiedurl) //replace URL's root domain with dynamic root domain, for ajax security sake
savedefaultcontent(ulistlink.getAttribute("rel")) //save default ajax tab content
ulistlink.onclick=function(){
ajaxpage(this.getAttribute("href"), this.getAttribute("rel"), this)
loadobjs(this.getAttribute("rev"))
return false
}
if (ulist[x].className=="selected"){
ajaxpage(ulistlink.getAttribute("href"), ulistlink.getAttribute("rel"), ulistlink) //auto load currenly selected tab content
loadobjs(ulistlink.getAttribute("rev")) //auto load any accompanying .js and .css files
}
}
}
}
}
window.onload=function(){
	associa();
}