function menu(obj)
{
	objid = (obj.tagName=="A") ? obj.parentNode.nextSibling : obj.nextSibling;
		if(	objid.style.display != 'block'){
		objid.style.display = 'block';
		obj.className="aperto";}
		else{
		obj.className="chiuso";			objid.style.display = 'none'};
}
function mostratutto()
{
	
	  if(document.getElementsByTagName){
      var dts = document.getElementsByTagName('dt');
      for( var i=0; i < dts.length; i++ ){
        dts[i].nextSibling.style.display = 'block';
      }
    }
  }