/*
  (C) Upgrade Multimediale Srl
      viale dell'Industria 24/D
      37135 Verona - ITALY
      Tel:  +39 045 8903199
      Fax:  +39 045 8231203  
      @: info@upgrade4.it
      W: http://www.upgrade4.it
         
   Content:  Menu and Rollover managing 
   Type:     Generic
*/

/************************************** ROLLOVER Object ********************/

function Rollover (img_name, src_off, src_on, hierarchy ) {
  if (document.images) { // ! (NS2 || IE3)
      this.on   = new Image(); //this.on.src  = src_off.replace(/0./,"1.");
      this.on.src  = src_on;
      this.off  = new Image(); this.off.src = src_off;
      this.name = img_name;
      this.turn_on   = turn_on;
      this.turn_off  = turn_off;
      this.status    = "OFF"; 
      this.hierarchy = (hierarchy)?hierarchy:""; 
  }
}


function turn_on() {           
	       
  if (NS && this.hierarchy!="")       //img_obj = eval("window.document."+this.hierarchy.replace(/\./g,".document.")+".document.images."+this.name);
      img_obj = eval(this.hierarchy+".images."+this.name);
  else          img_obj = eval("window.document.images."+this.name);	
  if (img_obj)  img_obj.src = this.on.src;
  
}

function turn_off() {   
  if (NS && this.hierarchy!="")      img_obj = eval(this.hierarchy+".images."+this.name);
  else         img_obj = eval("window.document.images."+this.name);	
  if (img_obj) img_obj.src = this.off.src;

  
}

/************************************** MENU  Object ********************/

function Menu() {    

  this.selected = null; // nessun elemento selezionato
  this.on       = on;  // turn on  an item
  this.off      = off; // turn off an item
  this.reset_menu         = reset_menu;  // menu reset
  this.sel           = sel;    // select an item and turn off the previus selected
  this.select        = select; // just select an item whithout turning off the previous selected
  this.selected_item = selected_item; // return the selected item
  this.turn_off_current = turn_off_current; // turn off the selected item
}


function on(roller) {                   
  if (this.selected != roller)  roller.turn_on();  
}

function off(roller){
  if (this.selected != roller)  roller.turn_off();
}                  

function turn_off_current() {
  this.selected.turn_off();
}

function reset_menu() {
 if (this.selected != null) {	
  this.selected.turn_off();
  this.selected = null;      
 } 
}


function sel(roller){
  if (this.selected != roller) {
     if (this.selected!=null) this.selected.turn_off();
     this.selected = roller;
  }
}

function selected_item() {
  return this.selected;
}

function select(item) {
  this.selected=item; 
}


//Caricamento del menu per la sezione ISAP

function loadIsapMenu(){

	menubca_ = new Rollover("menubca","../img/bca_stoviglie_0.gif"  ,"../img/bca_stoviglie_1.gif"  ,"document.layers['Lmenubca'].document");
	menubcb_ = new Rollover("menubcb","../img/bcb_contenitori_0.gif","../img/bcb_contenitori_1.gif","document.layers['Lmenubcb'].document");
	menubcc_ = new Rollover("menubcc","../img/bcc_packaging_0.gif"  ,"../img/bcc_packaging_1.gif"  ,"document.layers['Lmenubcc'].document");
	
	v1_ = new Rollover("v1", "../img/ba_voce1_0.gif", "../img/ba_voce1_1.gif","document.layers['Lmain'].document");
	v2_ = new Rollover("v2", "../img/ba_voce2_0.gif", "../img/ba_voce2_1.gif","document.layers['Lmain'].document");
	v3_ = new Rollover("v3", "../img/ba_voce3_0.gif", "../img/ba_voce3_1.gif","document.layers['Lmain'].document");
	
	granulo_ = new Rollover("granulo", "./img/h_granulo_0.gif", "./img/h_granulo_1.gif","document.layers['Lgranulo'].document");
	m = new Menu();
}


function ristrutturaMenu(){

	 var Lmenuab = document.getElementById('Lmenuab');
	 var ALmenuab = document.getElementById('ALmenuab');
	 var Lmenuad = document.getElementById('Lmenuad');
	 var Lmenuah = document.getElementById('Lmenuah');
	 var Lmenuai = document.getElementById('Lmenuai');

	 var Lmenub = document.getElementById('Lmenub');
	 var Lmenuc = document.getElementById('Lmenuc');
	 var Lmenue = document.getElementById('Lmenue');

	 var LmenuBase = document.getElementById('LmenuBase');

	 Lmenuab.setAttribute('onmouseover','');
	 Lmenuab.setAttribute('onmouseout','');
	 Lmenuab.className = 'div-menu2';
	 
	 ALmenuab.className = 'element-menu-selected-submenu';
	 
	 Lmenuad.style.top = '198px';
	 Lmenuah.style.top = '213px';
	 Lmenuai.style.top = '228px';

	 Lmenub.style.top = '277px';
	 Lmenuc.style.top = '297px';
	 Lmenue.style.top = '317px';

	 LmenuBase.style.height = '157px';

}


function selecteMenu(id){

	var menuElement = document.getElementById(id);
	menuElement.className = 'element-menu-selected';
	var browser=navigator.appName;
	if ((id =='ALmenuab1' || id =='ALmenuab2' || id =='ALmenuab3') && browser!= 'Microsoft Internet Explorer' ){
		menuElement.parentNode.className = 'div-menu2-sub';
	} else {
		menuElement.parentNode.className = 'div-menu2';
	}
	menuElement.parentNode.setAttribute('onmouseover','');
	menuElement.parentNode.setAttribute('onmouseout','');

}