function isnum(obj) {if ((isNaN(obj.value)) || (obj.value == "")) { alert('Nel campo è possibile immettere solo numeri'); obj.value="0"; obj.focus(); }}
function ismail(obj, valore) {if ((valore != '') && ((valore.indexOf("@") == -1) || (valore.indexOf(".") == -1))) { alert('Il campo e-mail deve contenere i simboli @ e .'); obj.value=""; obj.focus(); }}
function isweb(obj, valore) {if ((valore != '') && (valore.indexOf("http") == -1)) { alert('Il campo indirizzo internet deve iniziare con http://'); obj.value=""; obj.focus(); }}
function istel(obj, valore) {if ((valore != '') && (valore.indexOf("+39") == -1)) { alert('Il campo numero di telefono/fax deve contenere il prefisso +39'); obj.value=""; obj.focus(); }}
function isdate(obj)
    {
        try
            {
                if (obj.value.length != 10) { obj.value="24/07/2008"; obj.focus(); }
                else if (isNaN(obj.value.substring(0, 2)) || obj.value.substring(2, 3) != "/" || isNaN(obj.value.substring(3, 5)) || obj.value.substring(5, 6) != "/" || isNaN(obj.value.substring(6, 15)))
                    { obj.value="24/07/2008"; obj.focus(); }
                else
                { return true; }
            }
        catch (e)
        { obj.value="24/07/2008"; obj.focus() }
    }
function blocking(nr)
    {
        if (document.layers) 
            {
            current = (document.layers[nr].display == 'block') ? 'none' : 'block';
            document.layers['menu_a1'].display = 'none';
            document.layers['menu_a3'].display = 'none';
            document.layers['menu_a4'].display = 'none';
            document.layers[nr].display = current;
            }
        else if (document.all)
            {
            current = (document.all[nr].style.display == 'block') ? 'none' : 'block';
            document.all['menu_a1'].style.display = 'none';
            document.all['menu_a3'].style.display = 'none';
            document.all['menu_a4'].style.display = 'none';
            document.all[nr].style.display = current;
            }
        else if (document.getElementById)
            {
            vista = (document.getElementById(nr).style.display == 'block') ? 'none' : 'block';
            document.getElementById('menu_a1').style.display = 'none';
            document.getElementById('menu_a3').style.display = 'none';
            document.getElementById('menu_a4').style.display = 'none';
            document.getElementById(nr).style.display = vista;
            }
    }

function blocking_2(nr)
    {
        if (document.layers)
            {
            current = (document.layers[nr].display == 'block') ? 'none' : 'block';
            document.layers[nr].display = current;
            }
        else if (document.all)
            {
            current = (document.all[nr].style.display == 'block') ? 'none' : 'block';
            document.all[nr].style.display = current;
            }
        else if (document.getElementById)
            {
            vista = (document.getElementById(nr).style.display == 'block') ? 'none' : 'block';
            document.getElementById(nr).style.display = vista;
            }
    }
var slideShowSpeed = 4000
var slideShowSpeed_2 = 3000
var crossFadeDuration = 3
var Pic = new Array()
Pic[0] = 'http://cometomatera.com/images/home_top_1.jpg';
Pic[1] = 'http://cometomatera.com/images/home_top_2.jpg';
Pic[2] = 'http://cometomatera.com/images/home_top_3.jpg';
Pic[3] = 'http://cometomatera.com/images/home_top_4.jpg';
Pic[4] = 'http://cometomatera.com/images/home_top_5.jpg';
Pic[5] = 'http://cometomatera.com/images/home_top_6.jpg';
Pic[6] = 'http://cometomatera.com/images/home_top_7.jpg';
Pic[7] = 'http://cometomatera.com/images/home_top_8.jpg';
Pic[8] = 'http://cometomatera.com/images/home_top_9.jpg';
Pic[9] = 'http://cometomatera.com/images/home_top_10.jpg';
Pic[10] = 'http://cometomatera.com/images/home_top_11.jpg';
Pic[11] = 'http://cometomatera.com/images/home_top_12.jpg';
Pic[12] = 'http://cometomatera.com/images/home_top_13.jpg';
Pic[13] = 'http://cometomatera.com/images/home_top_14.jpg';
Pic[14] = 'http://cometomatera.com/images/home_top_15.jpg';
Pic[15] = 'http://cometomatera.com/images/home_top_16.jpg';
Pic[16] = 'http://cometomatera.com/images/home_top_17.jpg';
Pic[17] = 'http://cometomatera.com/images/home_top_18.jpg';
Pic[18] = 'http://cometomatera.com/images/home_top_19.jpg';
Pic[19] = 'http://cometomatera.com/images/home_top_20.jpg';
Pic[20] = 'http://cometomatera.com/images/home_top_21.jpg';
Pic[21] = 'http://cometomatera.com/images/home_top_22.jpg';
Pic[22] = 'http://cometomatera.com/images/home_top_32.jpg';
Pic[23] = 'http://cometomatera.com/images/home_top_24.jpg';
Pic[24] = 'http://cometomatera.com/images/home_top_25.jpg';
Pic[25] = 'http://cometomatera.com/images/home_top_26.jpg';
Pic[26] = 'http://cometomatera.com/images/home_top_27.jpg';
Pic[27] = 'http://cometomatera.com/images/home_top_28.jpg';
Pic[28] = 'http://cometomatera.com/images/home_top_29.jpg';
Pic[29] = 'http://cometomatera.com/images/home_top_30.jpg';
Pic[30] = 'http://cometomatera.com/images/home_top_31.jpg';

var Pic_2 = new Array()
Pic_2[0] = 'http://cometomatera.com/images/home_20.jpg';
Pic_2[1] = 'http://cometomatera.com/images/home_21.jpg';
Pic_2[2] = 'http://cometomatera.com/images/home_22.jpg';
var t;
var t_2;

var j = 25;
var p = Pic.length;
var j_2 = 0;
var p_2 = Pic_2.length;
function get_random() { var ranNum = Math.floor(Math.random()*14) + 1; return ranNum; }
var preLoad = new Array()
for (i = 0; i < p; i++){ preLoad[i] = new Image(); preLoad[i].src = Pic[i]; }
var preLoad_2 = new Array()
for (i_2 = 0; i_2 < p_2; i_2++){ preLoad_2[i_2] = new Image(); preLoad_2[i_2].src = Pic_2[i_2]; }
function runSlideShow()
	{
        if (document.all)
            {
            document.images.SlideShow.style.filter="blendTrans(duration=2)";
            document.images.SlideShow.style.filter="blendTrans(duration=crossFadeDuration)";
            document.images.SlideShow.filters.blendTrans.Apply()   ;   
            document.images.SlideShow_2.style.filter="blendTrans(duration=2)";
            document.images.SlideShow_2.style.filter="blendTrans(duration=crossFadeDuration)";
            document.images.SlideShow_2.filters.blendTrans.Apply()   ;   
            }
        document.images.SlideShow.src = preLoad[j].src
        document.images.SlideShow_2.src = preLoad_2[j_2].src
        if (document.all){ document.images.SlideShow.filters.blendTrans.Play(); }
        if (document.all){ document.images.SlideShow_2.filters.blendTrans.Play(); }
        j = j + 1;
        j_2 = j_2 + 1;
        if (j > (p-1)) j=0;
        if (j_2 > (p_2-1)) j_2=0;
        t = setTimeout('runSlideShow()', slideShowSpeed);
    }