/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[15,-125]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=0; //duration in seconds image should remain visible. 0 for always.

var defaultimageheight = 0;	// maximum image size.
var defaultimagewidth = 0;	// maximum image size.

var timer;

function gettrailobj(){
if (document.getElementById)
return document.getElementById("preview_div").style
}

function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById("preview_div")
}

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

function hidetrail(){	
	gettrailobj().display= "none";
	document.onmousemove=""
	gettrailobj().left="-500px"
	clearTimeout(timer);
}

function showtrail(imagename){
    i = "images/low/" + imagename + ".jpg"
	t = "";
    w = 0
    h = 0
	timer = setTimeout("show('"+i+"',t,w,h);",200);
}

function showtrail_gif(imagename){
    i = "images/low/" + imagename + ".gif"
	t = "";
    w = 0
    h = 0
	timer = setTimeout("show('"+i+"',t,w,h);",200);
}

function show(imagename,title,width,height){
             var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {
		( width == 0 ) ? width = defaultimagewidth: '';
		( height == 0 ) ? height = defaultimageheight: '';

		width+=0
		height+=0
		defaultimageheight = height
		defaultimagewidth = width

		document.onmousemove=followmouse; 

		newHTML = '<div class="border_preview" style="width:'+  width +'px;height:'+ height +'px"><div id="loader_container"><div id="loader"><div align="center">Caricamento immagine...</div><div id="loader_bg"><div id="progress"> </div></div></div></div>';
                          newHTML = newHTML + '<div class="preview_load"><img onload="javascript:remove_loading();" src="' + imagename + '" border="0"></div>';
		newHTML = newHTML + '</div>'; 
		
		if(navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1 ){
			newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+width+'" height="'+height+'"></iframe>';
		}		

		gettrailobjnostyle().innerHTML = newHTML;
		gettrailobj().display="block";
	}
}

function followmouse(e){
	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
			ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}

var t_id = setInterval(animate,20);
var pos=0;
var dir=2;
var len=0;

function animate() {
    var elem = document.getElementById('progress');
    if(elem != null) {
     if (pos==0) len += dir;
     if (len>32 || pos>79) pos += dir;
     if (pos>79) len -= dir;
     if (pos>79 && len==0) pos=0;
     elem.style.left = pos;
     elem.style.width = len;
    }
}

function remove_loading() {
this.clearInterval(t_id);
var targelem = document.getElementById('loader_container');
targelem.style.display='none';
targelem.style.visibility='hidden';
var t_id = setInterval(animate,60);
}

function viewpic(picname){
    var myWin;
    url = "Zoom.html?Img=" + picname;
    tpos = (screen.height/2)-239;
    lpos = (screen.width/2)-319;
    para = "width=638,height=478,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,top=" + tpos + ",left=" + lpos;
    if(!myWin || myWin.closed){
     myWin = window.open(url,'Guidi_SrL',para);
    }
    else {
     myWin.focus();
    }
}

function viewimg(imgname){
    var myWin;
    url = "Immagini/High/" + imgname + ".jpg";
    tpos = (screen.height/2)-252;
    lpos = (screen.width/2)-328;
    para = "width=657,height=505,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,top=" + tpos + ",left=" + lpos;
    if(!myWin || myWin.closed){
     myWin = window.open(url,'Guidi_SrL',para);
    }
    else {
     myWin.focus();
    }
}

function valida_login(){
  with(document.login) {
      if(account.value=="") { 
       alert("Errore: devi inserire uno User Name valido");
       account.focus();
       return false;
      }
     if(passwd.value=="") {
       alert("Errore: devi compilare il campo Password");
       passwd.focus();
       return false;
     }
   }
   alert("Area Riservata attualmente in manutenzione !\nAccesso non consentito.");
return false;
}

function valida_contatto(){
  with(document.contatto) {
      if(nominativo.value=="") { 
       alert("Errore: devi inserire il tuo Nominativo o Nome azienda");
       nominativo.focus();
       return false;
      }
     if(email.value=="") {
       alert("Errore: devi specificare un indirizzo E-mail valido");
       email.focus();
       return false;
     }
     if(messaggio.value=="") {
       alert("Errore: devi compilare il Testo del messaggio");
       messaggio.focus();
       return false;
     }
   }
return true;
}

function valida_lost(){
  with(document.lost) {
      if(lost.value=="") { 
       alert("Errore: devi inserire User Name o Indirizzo e-mail validi");
       lost.focus();
       return false;
      }
   }
return true;
}

function valida_new_user(){
  with(document.new_user) {
      if(nominativo.value=="") { 
       alert("Errore: devi inserire il tuo Nominativo o Nome azienda");
       nominativo.focus();
       return false;
      }
      if(indirizzo.value=="") { 
       alert("Errore: devi compilare il campo Indirizzo");
       indirizzo.focus();
       return false;
      }
      if(cap.value=="") { 
       alert("Errore: devi specificare il C.A.P.");
       cap.focus();
       return false;
      }
      if(citta.value=="") { 
       alert("Errore: devi compilare il campo Citta'");
       citta.focus();
       return false;
      }
      if(provincia.value=="") { 
       alert("Errore: devi selezionare una Provincia");
       provincia.focus();
       return false;
      }
      if(telefono.value=="") { 
       alert("Errore: devi inserire un numero di Telefono valido");
       telefono.focus();
       return false;
      }
     if(email.value=="") {
       alert("Errore: devi specificare un indirizzo E-mail valido");
       email.focus();
       return false;
     }
     if(cemail.value=="") {
       alert("Errore: devi ripetere l' indirizzo E-mail per conferma");
       cemail.focus();
       return false;
     }
     if(email.value!=cemail.value) {
       alert("Attenzione: i due indirizzi E-mail non coincidono");
       email.value="";
       cemail.value="";
       email.focus();
       return false;
     }
     if(consenso.checked==false) {
       alert("Errore: per poter procedere con la registrazione devi\nacconsentire al trattamento dei dati personali.");
       consenso.focus();
       return false;
     }
   }
return true;
}

function valida_login_E(){
  with(document.login) {
      if(account.value=="") { 
       alert("Error: you have to insert a valid User Name");
       account.focus();
       return false;
      }
     if(passwd.value=="") {
       alert("Error: you have to insert a valid Password");
       passwd.focus();
       return false;
     }
   }
   alert("Login not available !\nSecure Area currently under maintenance.\n");
return false;
}

function valida_contatto_E(){
  with(document.contatto) {
      if(nominativo.value=="") { 
       alert("Error: you have to insert your Name or Company name");
       nominativo.focus();
       return false;
      }
     if(email.value=="") {
       alert("Error: you have to insert a valid E-mail address");
       email.focus();
       return false;
     }
     if(messaggio.value=="") {
       alert("Error: you have to insert the text of the Message");
       messaggio.focus();
       return false;
     }
   }
return true;
}

function valida_lost_E(){
  with(document.lost) {
      if(lost.value=="") { 
       alert("Error: you have to insert a valid User Name or E-mail address");
       lost.focus();
       return false;
      }
   }
return true;
}

function valida_new_user_E(){
  with(document.new_user) {
      if(nominativo.value=="") { 
       alert("Error: you have to insert your Name or Company name");
       nominativo.focus();
       return false;
      }
      if(indirizzo.value=="") { 
       alert("Error: you have to insert the Address");
       indirizzo.focus();
       return false;
      }
      if(cap.value=="") { 
       alert("Error: you have to insert a valid ZIP code");
       cap.focus();
       return false;
      }
      if(citta.value=="") { 
       alert("Error: you have to insert the City");
       citta.focus();
       return false;
      }
      if(stato.value=="") { 
       alert("Error: you have to insert the State");
       stato.focus();
       return false;
      }
      if(telefono.value=="") { 
       alert("Error: you have to insert a valid Phone number");
       telefono.focus();
       return false;
      }
     if(email.value=="") {
       alert("Error: you have to insert a valid E-mail address");
       email.focus();
       return false;
     }
     if(cemail.value=="") {
       alert("Error: you have to insert the E-mail address one more time for confirmation");
       cemail.focus();
       return false;
     }
     if(email.value!=cemail.value) {
       alert("Attention: you entered two different E-mail address");
       email.value="";
       cemail.value="";
       email.focus();
       return false;
     }
     if(consenso.checked==false) {
        alert("Error: you have to agree to the handling\nof your personal data");
       consenso.focus();
       return false;
     }
   }
return true;
}