var arrimg=new Array('/pdesk/images/chisiamo_01.jpg','/pdesk/images/contatti_01.jpg','/pdesk/images/diventare_clienti_01.jpg','/pdesk/images/home.jpg','/pdesk/images/press.jpg','/pdesk/images/prodotti_01.jpg','/pdesk/images/servizi_01.jpg','/pdesk/images/contact_center_02.jpg','/pdesk/images/contact_center05_02.jpg','/pdesk/images/entrainreteconnoi_01_02.jpg','/pdesk/images/launch_eir_01.jpg','/pdesk/images/launch_info_01.jpg','/pdesk/images/launch_informatica_02.jpg','/pdesk/images/personal_computers_01_02.jpg','/pdesk/images/press_01_02.jpg','/pdesk/images/prodotti_04_02.jpg','/pdesk/images/prodotti_06_02.jpg','/pdesk/images/prodotti_06_02_02.jpg');
var imgvalide=7;
var intervall=6;//sec
var timeoutID=0;
var nwimg;
function evento_immagini()
{
if ((typeof arrimgNew)!="undefined") 
	{
	if (arrimgNew.length>0)
		{
		for (var i=0;i<arrimgNew.length;i++)
			{
			arrimg.length=(i+1);
			arrimg[i]=arrimgNew[i];
			}
		imgvalide=arrimg.length
		}
	}
}
function randomize_my_number(min_value,max_value)
{
var valres=Math.round(Math.random() * (parseFloat(max_value)-(parseFloat(min_value)))) + parseFloat(min_value) 
return valres;
}
function cambia_immagine()
{
var newvalue=randomize_my_number(0,imgvalide);
nwimg=new Image();
nwimg.onload=cambia_src;
nwimg.onerror=cambia_img;
nwimg.src=arrimg[newvalue];
}
function cambia_src(theImage)
{
var x=document.getElementById("imgtop");
if ((x!=null)&&(typeof x.src !="undefined"))
	{
	x.src=nwimg.src;
	void cambia_img();
	}
}
function cambia_img()
{
if (timeoutID!=0) 
	clearTimeout(timeoutID)
else
	{
	void evento_immagini()
	}
timeoutID=setTimeout ("cambia_immagine()",(intervall*1000));
}