function delete_post(theURL) {
       if (confirm('Sei sicuro di voler cancellare questo messaggio?')) {
          window.location.href=theURL;
       }
       else {
          alert ('Azione annullata');
       } 
    }
    function PopUp(url, name, width,height,center,resize,scroll,posleft,postop) {
    if (posleft != 0) { x = posleft }
    if (postop  != 0) { y = postop  }
    if (!scroll) { scroll = 1 }
    if (!resize) { resize = 1 }
    if ((parseInt (navigator.appVersion) >= 4 ) && (center)) {
      X = (screen.width  - width ) / 2;
      Y = (screen.height - height) / 2;
    }
    if (scroll != 0) { scroll = 1 }
    var Win = window.open( url, name, 'width='+width+',height='+height+',top='+Y+',left='+X+',resizable='+resize+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no');
	}
	function ShowHide(id1, id2) {
	  if (id1 != '') expMenu(id1);
	  if (id2 != '') expMenu(id2);
	}
	
	function expMenu(id) {
	  var itm = null;
	  if (document.getElementById) {
		itm = document.getElementById(id);
	  } else if (document.all){
		itm = document.all[id];
	  } else if (document.layers){
		itm = document.layers[id];
	  }
	
	  if (!itm) {
	  }
	  else if (itm.style) {
		if (itm.style.display == "none") { itm.style.display = ""; }
		else { itm.style.display = "none"; }
	  }
	  else { itm.visibility = "show"; }
	}