//---------------------------------------------------------------------------------------
//funzione per slide di apertura circolari
function visualizza(id){
  if (document.getElementById){
    if(document.getElementById(id).style.display == 'none'){
      document.getElementById(id).style.display = 'block';
    }else{
      document.getElementById(id).style.display = 'none';
    }
  }
}
//---------------------------------------------------------------------------------------
//funzione apri finestra pop up
function open_window(url,w,h)
{
mywin = window.open(url,"window",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width='+w+',height='+h);
}
window.focus();
//---------------------------------------------------------------------------------------
//funzione rollover
function init() {
if (!document.getElementById) return
var imgOriginSrc;
var imgTemp = new Array();
var imgarr = document.getElementsByTagName('img');
for (var i = 0; i < imgarr.length; i++) {
if (imgarr[i].getAttribute('hsrc')) {
imgTemp[i] = new Image();
imgTemp[i].src = imgarr[i].getAttribute('hsrc');
imgarr[i].onmouseover = function() {
imgOriginSrc = this.getAttribute('src');
this.setAttribute('src',this.getAttribute('hsrc'))
}
imgarr[i].onmouseout = function() {
this.setAttribute('src',imgOriginSrc)
}
}
}
}
onload=init;
//---------------------------------------------------------------------------------------
//funzione conta caratteri
function textCounter(field,cntfield,maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else
cntfield.value = maxlimit - field.value.length;
}
//---------------------------------------------------------------------------------------
//funzione evidenzia campo dei form sui quali si scrive
//visit http://www.dynamicdrive.com
var highlightcolor="lavender"
var ns6=document.getElementById&&!document.all
var previous=''
var eventobj

//Regular expression to highlight only form elements
var intended=/INPUT|TEXTAREA|SELECT|OPTION/

//Function to check whether element clicked is form element
function checkel(which){
if (which.style&&intended.test(which.tagName)){
if (ns6&&eventobj.nodeType==3)
eventobj=eventobj.parentNode.parentNode
return true
}
else
return false
}

//Function to highlight form element
function highlight(e){
eventobj=ns6? e.target : event.srcElement
if (previous!=''){
if (checkel(previous))
previous.style.backgroundColor=''
previous=eventobj
if (checkel(eventobj))
eventobj.style.backgroundColor=highlightcolor
}
else{
if (checkel(eventobj))
eventobj.style.backgroundColor=highlightcolor
previous=eventobj
}
}
//---------------------------------------------------------------------------------------
//Funzione per tabella ordinabile
var table=function(){
	function sorter(n){
		this.n=n; this.t; this.b; this.r; this.d; this.p; this.w; this.a=[]; this.l=0
	}
	sorter.prototype.init=function(t,f){
		this.t=document.getElementById(t);
		this.b=this.t.getElementsByTagName('tbody')[0];
		this.r=this.b.rows; var l=this.r.length;
		for(var i=0;i<l;i++){
			if(i==0){
				var c=this.r[i].cells; this.w=c.length;
				for(var x=0;x<this.w;x++){
					if(c[x].className!='nosort'){
						c[x].className='head';
						c[x].onclick=new Function(this.n+'.work(this.cellIndex)')
					}
				}
			}else{
				this.a[i-1]={}; this.l++;
			}
		}
		if(f!=null){
			var a=new Function(this.n+'.work('+f+')'); a()
		}
	}
	sorter.prototype.work=function(y){
		this.b=this.t.getElementsByTagName('tbody')[0]; this.r=this.b.rows;
		var x=this.r[0].cells[y],i;
		for(i=0;i<this.l;i++){
			this.a[i].o=i+1; var v=this.r[i+1].cells[y].firstChild;
			this.a[i].value=(v!=null)?v.nodeValue:''
		}
		for(i=0;i<this.w;i++){
			var c=this.r[0].cells[i];
			if(c.className!='nosort'){c.className='head'}
		}
		if(this.p==y){
			this.a.reverse(); x.className=(this.d)?'asc':'desc';
			this.d=(this.d)?false:true
		}else{
			this.p=y; this.a.sort(compare); x.className='asc'; this.d=false
		}
		var n=document.createElement('tbody');
		n.appendChild(this.r[0]);
		for(i=0;i<this.l;i++){
			var r=this.r[this.a[i].o-1].cloneNode(true);
			n.appendChild(r); r.className=(i%2==0)?'even':'odd'
		}
		this.t.replaceChild(n,this.b)
	}
	function compare(f,c){
		f=f.value,c=c.value;
		var i=parseFloat(f.replace(/(\$|\,)/g,'')),n=parseFloat(c.replace(/(\$|\,)/g,''));
		if(!isNaN(i)&&!isNaN(n)){f=i,c=n}
		return (f>c?1:(f<c?-1:0))
	}
	return{sorter:sorter}
}();