function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = '; expires='+date.toGMTString();
  }
  else expires = '';
  document.cookie = name+'='+value+expires+'; path=/';
}

function readCookie(name) {
  var nameEQ = name + '=';
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}


function aprigrafico(str) {

        searchWin = window.open(str,'aprigrafico','scrollbars=yes,resizable=yes,width=700,height=500,status=yes,location=no,toolbar=no');

//        searchWin.refer = self;

}

function link(txt) {
window.status = txt;
setTimeout("cancella()",500);
}
function cancella() {
window.status="";
}


function puliscitext(elm){
if (!elm.base) elm.base = elm.value
if (elm.value == elm.base) elm.value = "";
else if (elm.value == "") elm.value = elm.base;
}