function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{
    if(document.layers)	  
    {
       document.layers[szDivID].visibility = iState ? "show" : "hide";
    }
    else if(document.getElementById)	  
    {
        var obj = document.getElementById(szDivID);
        obj.style.visibility = iState ? "visible" : "hidden";
    }
    else if(document.all)	
    {
        document.all[szDivID].style.visibility = iState ? "visible" : "hidden";
    }
}
function triang_rosso(elem,dv) {
  dv = document.getElementById(dv);
  dv.style.cursor="pointer";
  el = document.getElementById(elem);  
  el.style.display = "block";
}
function triang_rosso_nasc(elem) {
  el = document.getElementById(elem);
  el.style.display = "none";
}
function mostra_infriprese(id) {
  var x=event.clientX; //Cordinata X del Mouse
  var y=event.clientY; //Cordinata Y del Mouse
  var doc=document.getElementById(id);
  doc.style.left=x;
  doc.style.top=y;
  document.write("ok..");

}