function periodo(path,nomeform) {
    
	select = document.forms[nomeform].quando;
	quando = select.options[select.selectedIndex].value;
	//quando+="/tutte/tutti/";
	
	location.href= path+"";
	
}


var newWindow;
var link;

function apriFinestra(link) {
    newWindow = window.open(link,"myWindows","width=800,height=600,scrollbars=yes,resizable=yes");
}


function window_onunload() {
    if (typeof(newWindow) != "undefined") {
        if (newWindow.closed == false) {
            newWindow.close();
        }
    }
}

function click_campo(obj) {
    obj.value = "";
}

function blur_campo(obj, testo) {
    if (obj.value == "") {
        obj.value = testo;
    }
}


/*
Yetii - Yetii - Yet (E)Another Tab Interface Implementation
http://www.kminek.pl/lab/yetii/
(c) 2007 Grzegorz Wojcik
It is up to You to leave or remove this copyright notice
---
Slightly modified for IE5.x support by Alessandro Fulciniti - http://www.html.it
*/

function Yetii(obj,active){

    this.active = (active) ? active : 1,
    this.timeout = null,
    this.tabclass = 'tab',
    this.activeclass = 'active',

    this.getTabs = function(){

        var retnode = [];
        var elem = document.getElementById(obj).childNodes;     //modified for IE 5.x support
        for (var i = 0; i < elem.length; i++) {
        if (elem[i].className==this.tabclass) retnode[retnode.length]=elem[i];
        }

        return retnode;

    },

    this.links = document.getElementById(obj+'-nav').getElementsByTagName('a'),
    this.tabs = this.getTabs();

    this.show = function(number){

        for (var i = 0; i < this.tabs.length; i++) {
        this.tabs[i].style.display = ((i+1)==number) ? 'block' : 'none';
        this.links[i].className = ((i+1)==number) ? this.activeclass : '';
        }

    },

    this.rotate = function(interval){

        this.show(this.active);
        this.active++;

        if(this.active > this.tabs.length) this.active = 1;

        var self = this;
        this.timeout = setTimeout(function(){self.rotate(interval);}, interval*1000);

    },

    this.init = function(interval){

        this.show(this.active);

        var self = this;
        for (var i = 0; i < this.links.length; i++) {
        this.links[i].customindex = i+1;
        this.links[i].onclick = function(){ if (self.timeout) clearTimeout(self.timeout); self.show(this.customindex); return false; };
        }

        if (interval) this.rotate(interval);

    };

};