<!--
i_on = new Array();
 i_on[0] = "images/foto0.jpg";
 i_on[1] = "images/foto1.jpg";
 i_on[2] = "images/foto2.jpg";
 i_on[3] = "images/foto3.jpg";
 i_on[4] = "images/foto4.jpg";
 i_on[5] = "images/foto5.jpg";
 i_on[6] = "images/foto6.jpg";
 i_on[7] = "images/foto7.jpg";
 i_on[8] = "images/foto8.jpg";
 i_on[9] = "images/foto9.jpg";
 i_on[10] = "images/foto10.jpg";
 i_on[11] = "images/foto11.jpg";
 i_on[12] = "images/foto12.jpg";
 i_on[13] = "images/foto13.jpg";
 i_on[14] = "images/foto14.jpg";
 i_on[15] = "images/foto15.jpg";
 
imma = new Array();
 for(n = 0; n < 16; n++) {
  imma[n] = new Image(70,50);
  imma[n].src = i_on[n];
 }

indicator = new Image(10,10);
indicator.src = "images/arrow.gif";
blank = new Image(10,10);
blank.src = "images/blank.gif";
su_on = new Image(20,20);
su_on.src = "images/up_press.gif";
giu_on = new Image(20,20);
giu_on.src = "images/down_press.gif";
su_off = new Image(20,20);
su_off.src = "images/up.gif";
giu_off = new Image(20,20);
giu_off.src = "images/down.gif";
left_on = new Image(20,20);
left_on.src = "images/left_press.gif";
right_on = new Image(20,20);
right_on.src = "images/right_press.gif";
left_off = new Image(20,20);
left_off.src = "images/left.gif";
right_off = new Image(20,20);
right_off.src = "images/right.gif";

var imageNum = 0;

function setImage(imgNum) {
init();
imageNum = imgNum;
doc.preview.src = eval("imma[" + imageNum + "].src");
}

function img_act(imgNum) {
 init();
 if (imgNum < 98) {
  doc.preview.src = eval("imma[" + imgNum + "].src"); 
  doc ["arrow"+imgNum].src = indicator.src;
 }
 else if (imgNum == 98) {
 doc.left.src = left_on.src;
 }
 else if (imgNum == 99) {
 doc.right.src = right_on.src;
 }
}

function img_inact(imgNum,imgOff) {
 init();
 if (imgNum < 98) {
  doc.preview.src = eval("imma[" + imageNum + "].src");
  doc ["arrow"+imgOff].src = blank.src;
 }
 else if (imgNum == 98) {
  doc.left.src = left_off.src;
 }
 else if (imgNum == 99) {
  doc.right.src = right_off.src;
 }
}

function scroll(dir, spd, loop) {
loop = true;
direction = "up";
speed = 10;
scrolltimer = null;
cliptop = 0;
clipbottom = 280;
 if (document.layers) {
 var descr = eval(document.descrizione);
 direction = dir;
 speed = parseInt(spd);
 var y_pos = parseInt(descr.top);
  if (loop == true) {
   if (direction == "dn") {
   document.page.document.lower.src = (giu_on.src);
   descr.top = (y_pos - (speed));
   descr.clip.top = 155 - parseInt(descr.top);
   descr.clip.bottom = 280 + 155 - parseInt(descr.top);
   }
   else if (direction == "up" && y_pos < 155) {
   document.page.document.upper.src = (su_on.src);
   descr.top = (y_pos + (speed));
   descr.clip.top = 155 - parseInt(descr.top);
   descr.clip.bottom = 280 + 155 - parseInt(descr.top);
   }
  timer = setTimeout("scroll(direction,speed)", 100);
  }
 }
 else {
  if (document.all) {
  var descr = eval(document.all.descrizione.style);
  direction = dir;
  speed = parseInt(spd);
  var y_pos = parseInt(descr.top);
   if (loop == true) {
    if (direction == "dn") {
    document.lower.src = (giu_on.src);
    descr.top = (y_pos - (speed));
	cliptop = 155 - parseInt(descr.top);
	clipbottom = 280 + 155 - parseInt(descr.top);
	clipright = 307 + parseInt(descr.left);
	descr.clip = "rect(" + cliptop + "px " + clipright + "px " + clipbottom + "px 0px)";
    }
    else if (direction == "up" && y_pos < 155) {
	document.upper.src = (su_on.src);
    descr.top = (y_pos + (speed));
	cliptop = 155 - parseInt(descr.top);
	clipbottom = 280 + 155 - parseInt(descr.top);
	clipright = 307 + parseInt(descr.left);
	descr.clip = "rect(" + cliptop + "px " + clipright + "px " + clipbottom + "px 0px)";
    }
   timer = setTimeout("scroll(direction,speed)", 100);
   }
  }
 }
}

function init() {
 if (document.layers) {
 doc = eval(document.page.document);
 }
 else if (document.all) {
 doc = eval(document);
 }
}

function stop(dir) {
loop = false;
clearTimeout(timer);
init();
 if (dir == "up") {
 doc.upper.src = (su_off.src);
 }
 else if (dir == "dn") {
 doc.lower.src = (giu_off.src);
 }
}

function horscroll(dir,pos) {
direction = dir;
speed = 50;
timer = null;
clipleft = 0;
clipright = 440;
 if (document.layers) {
 var descr = eval(document.descrizione);
 var x_pos = parseInt(descr.left);
  if (pos < 450) {
   if (direction == "dx") {
   descr.left = (x_pos - (speed));
   descr.clip.left = 250 - parseInt(descr.left);
   descr.clip.right = 440 + 250 - parseInt(descr.left);
   }
   else if (direction == "sx" && x_pos < 250) {
   descr.left = (x_pos + (speed));
   descr.clip.left = 250 - parseInt(descr.left);
   descr.clip.right = 440 + 250 - parseInt(descr.left);
   }
  position = speed+pos;
  timer = setTimeout("horscroll(direction,position)", 100);
  }
 }
 else {
  if (document.all) {
  var descr = eval(document.all.descrizione.style);
  var x_pos = parseInt(descr.left);
   if (pos < 450) {
    if (direction == "dx") {
    descr.left = (x_pos - (speed));
	clipleft = 250 - parseInt(descr.left);
	clipright = 440 + 250 - parseInt(descr.left);
	descr.clip = "rect(0px " + clipright + "px 280px " + clipleft + ")";
    }
    else if (direction == "sx" && x_pos < 250) {
    descr.left = (x_pos + (speed));
	clipleft = 250 - parseInt(descr.left);
	clipright = 440 + 250 - parseInt(descr.left);
	descr.clip = "rect(0px " + clipright + "px 280px " + clipleft + ")";
    }
   position = speed+pos;
   timer = setTimeout("horscroll(direction,position)", 100);
   }
  }
 }
}
// -->