/* funzione il tooltip dhtml */

/***********************************************
* Cool DHTML tooltip script II- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var offsetfromcursorX=12 //Customize x offset of tooltip
var offsetfromcursorY=10 //Customize y offset of tooltip

var offsetdivfrompointerX=10 //Customize x offset of tooltip DIV relative to pointer image
var offsetdivfrompointerY=14 //Customize y offset of tooltip DIV relative to pointer image. Tip: Set it to (height_of_pointer_image-1).

document.write('<div id="dhtmltooltip"></div>') //write out tooltip DIV
document.write('<img id="dhtmlpointer" src="../../temi/classic/img/arrow2.gif">') //write out pointer image

var ie=document.all
var ns6=document.getElementById && !document.all
var enabletip=false
if (ie||ns6)
var tipobj=document.all? document.all["dhtmltooltip"] : document.getElementById? document.getElementById("dhtmltooltip") : ""

var pointerobj=document.all? document.all["dhtmlpointer"] : document.getElementById? document.getElementById("dhtmlpointer") : ""

function ietruebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function ddrivetip(thetext, thewidth, thecolor){
if (ns6||ie){
if (typeof thewidth!="undefined") tipobj.style.width=thewidth+"px"
if (typeof thecolor!="undefined" && thecolor!="") tipobj.style.backgroundColor=thecolor
tipobj.innerHTML=thetext
enabletip=true
return false
}
}

function positiontip(e){
if (enabletip){
var nondefaultpos=false
var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft;
var curY=(ns6)?e.pageY : event.clientY+ietruebody().scrollTop;
//Find out how close the mouse is to the corner of the window
var winwidth=ie&&!window.opera? ietruebody().clientWidth : window.innerWidth-20
var winheight=ie&&!window.opera? ietruebody().clientHeight : window.innerHeight-20

var rightedge=ie&&!window.opera? winwidth-event.clientX-offsetfromcursorX : winwidth-e.clientX-offsetfromcursorX
var bottomedge=ie&&!window.opera? winheight-event.clientY-offsetfromcursorY : winheight-e.clientY-offsetfromcursorY

var leftedge=(offsetfromcursorX<0)? offsetfromcursorX*(-1) : -1000

//if the horizontal distance isn't enough to accomodate the width of the context menu
if (rightedge<tipobj.offsetWidth){
//move the horizontal position of the menu to the left by it's width
tipobj.style.left=curX-tipobj.offsetWidth+"px"
nondefaultpos=true
}
else if (curX<leftedge)
tipobj.style.left="5px"
else{
//position the horizontal position of the menu where the mouse is positioned
tipobj.style.left=curX+offsetfromcursorX-offsetdivfrompointerX+"px"
pointerobj.style.left=curX+offsetfromcursorX+"px"
}

//same concept with the vertical position
if (bottomedge<tipobj.offsetHeight){
tipobj.style.top=curY-tipobj.offsetHeight-offsetfromcursorY+"px"
nondefaultpos=true
}
else{
tipobj.style.top=curY+offsetfromcursorY+offsetdivfrompointerY+"px"
pointerobj.style.top=curY+offsetfromcursorY+"px"
}
tipobj.style.visibility="visible"
if (!nondefaultpos)
//pointerobj.style.visibility="visible" //commentato per nascondere il cursore
pointerobj.style.visibility="hidden"
else
pointerobj.style.visibility="hidden"
}
}

function hideddrivetip(){
if (ns6||ie){
enabletip=false
tipobj.style.visibility="hidden"
pointerobj.style.visibility="hidden"
tipobj.style.left="-1000px"
tipobj.style.backgroundColor=''
tipobj.style.width=''
}
}

document.onmousemove=positiontip

/* fine funzione il tooltip dhtml */

/* funzione popup per le immagini della galleria */
function popUpimgfull(URL,w,h) {
day = new Date();
id = day.getTime();
eval("page" + id + " =window.open(URL, '" + id + "','toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=" + w + ",height=" + h + ",left = 50,top = 50');");
}

/* mostra/nascondi div */

function show_hide(id, show) {
	if (el = document.getElementById(id)) {
		if (null==show) show = el.style.display=='none';
		el.style.display = (show ? '' : 'none');
	}
}	
function show(id){
     if (document.getElementById(id).style.display == 'none'){
          document.getElementById(id).style.display = 'block';
     }
}
function hide(id){
     if (document.getElementById(id).style.display == 'none'){
          document.getElementById(id).style.display = 'none';
     }else{
          document.getElementById(id).style.display = 'none';
     }
}

/* fine mostra/nascondi div */

/* validazione form di iscrizione alla newsletter */
/*
Copyright 2005, 4word systems
All rights reserved.

This software may not be reproduced or distributed in any form without the express 
written consent of 4word systems or it's designee.

Revision 1.1:  20050729 Added underscore to list of valid characters
*/


function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}

function telNumer(telefono) {
  var parsed = true;
  var validchars = "0123456789()+ ";
  for (var i=0; i < telefono.length; i++) {
    var letter = telefono.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}