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 setCSS(nome_file_css) { 
createCookie('skinUtente',nome_file_css,365);
location.reload();
}
function setCSShref(nome_file_css) {
var link_ = document.getElementsByTagName("link");
for ($i=0;$i<link_.length;$i++)
	if(link_[$i].media=="screen") link_[$i].href=nome_file_css+".css";
}
window.onload = function() {
	nome_file_css = readCookie('skinUtente');
	if(nome_file_css)	setCSShref(nome_file_css);
}