////////////////////////////////////////////////////////////////////+
//
// JavaScript per la gestione del banner nell'intestazione
//

var Banner_Images_Height = 84;
var Banner_Images_Width  = 720;
var Banner_Images_Path   = "img/banner/";
var Banner_Images_Prefix = Banner_Images_Path + 'fotogramma_';
var Banner_Images_Ext    = '.jpg';
var Banner_Images_MinIdx = 1;
var Banner_Images_MaxIdx = 3;
var Banner_Images = new Array();

function Banner_Create()
{
	for(var i=0; i<Banner_Images_MaxIdx; i++){
		Banner_Images[i]     = new Image(Banner_Images_Width, Banner_Images_Height);
		Banner_Images[i].src = Banner_Images_Prefix + i.toString() + Banner_Images_Ext;
	}
}

var Banner_CurImgIdx = 1;
function Banner_Rotate()
{
	++Banner_CurImgIdx;
	document.images['HeaderBanner'].src = Banner_Images_Prefix + Banner_CurImgIdx + Banner_Images_Ext;	
	if (Banner_CurImgIdx==Banner_Images_MaxIdx) Banner_CurImgIdx = Banner_Images_MinIdx-1;	
}


////////////////////////////////////////////////////////////////////+
//
// Main()
//

Banner_Create();
setInterval('Banner_Rotate()', 5000);