function resizeWindow(vHref, vName, iWidth, iHeight) {

   var minW=320
   var minH=160

   var maxW=1024
   var maxH=768

   w = Math.max(iWidth,minW)
   w = Math.min(w,maxW)
   h = Math.max(iHeight,minH)
   h = Math.min(h,maxH)

   properties = "directories=no,status=no,scrollbars=yes"

   win = window.open(vHref, vName, properties)
   win.resizeTo(w,h)

   win.focus()
}

function riduci(textArea, maxlen) {
    if (textArea.value.length > maxlen) {
        textArea.value = textArea.value.slice(0, maxlen)
        textArea.value += " [TRONCATO]" ;
    }
}