function verScroll(dir, spd, loop) {

MM_showHideLayers('contentLayer','','show');

loop = true;
direction = dir;
scrolltimer = null;
if (document.layers) {
var page = eval(document.contentLayer);
}
else {
if (document.getElementById) {
var page= eval("document.getElementById('contentLayer').style");
}
else {
if (document.all) {
var page = eval(document.all.contentLayer.style);
      }
   }
}


direction = parseInt(dir);
speed = parseInt(spd);
var y_pos = parseInt(page.left);


if (direction == y_pos) {
loop = false;
clearTimeout(scrolltimer);
}

if (direction > y_pos) {
page.left = (y_pos + 4);
}

if (direction < y_pos) {
page.left = (y_pos - 4);
}



scrolltimer = setTimeout("verScroll(direction,speed)", 1);

}

function stopScroll() {
loop = false;
clearTimeout(scrolltimer);

}


function zoom(dest) {

W=(screen.availWidth-830)/2;
H=(screen.availHeight-600)/2;

seleziona1='zoom.asp?ref='+dest;

window.open(seleziona1, 'zoom', 'width=830, height=600,top='+H+',left='+W+',scrollbars=YES,LOCATION=no,toolbar = no');

}