function canc(vai){
 vai.value=''; 
 return true;
}

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 contrsendmail(modulo) {	
		if (modulo.nome.value==""){
			modulo.nome.select();
 		    alert("Si prega di inserire un nome");
			return false;
		}
		
		if (modulo.cognome.value==""){
			modulo.cognome.select();
 		    alert("Si prega di inserire un cognome");
			return false;
		}
			
		if ((modulo.tel.value=="")&&(modulo.cel.value=="")){
			modulo.tel.select();
 		    alert("Si prega di inserire un numero di telefono o un numero di cellulare");
			return false;
		}	
		
		 if (!indirizzoEmailValido(modulo.mittente.value)) {
		 	modulo.mittente.select();
			alert("Si prega di inserire un indirizzo email valido");
			return false;
		 	}			
		if (modulo.messaggio.value==""){
			modulo.messaggio.select();
 		    alert("Si prega di inserire un messaggio");
			return false;
		}	
		
		return true;
}

function apri(url_foto,des_foto){
	addr="fullsize.htm?"+url_foto+"&"+escape(des_foto)
	alt=100
	lar=100
	rszb=(document.layers)?1:0;
	props='height='+alt+',width='+lar+',top='+parseInt((screen.availHeight-alt)/2)+',left='+parseInt((screen.availWidth-lar)/2)+',scrollbars=0,resizable='+rszb+',toolbar=0,menubar=0,location=0,status=0';
	window.open(addr,'_blank',props);
}

function varie(addr,lar,alt){
	su=1;
	des=2;
	rszb=(document.layers)?1:0;
	props='height='+alt+',width='+lar+',top='+parseInt(((screen.availHeight-alt)/2)*su)+',left='+parseInt((screen.availWidth-lar)/des)+',scrollbars=0,resizable='+rszb+',toolbar=0,menubar=0,location=0,status=0';
	//alert(addr);
	//alert(props);
	window.open(addr,'_blank',props);
//    location.replace("index2.php");
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}