var DHTML = (document.getElementById || document.all || document.layers);        

      function getObj(name){
        if (document.getElementById){
          this.obj = document.getElementById(name);
          this.style = document.getElementById(name).style;
          this.inner = document.getElementById(name).innerHTML;    
        }else if (document.all){
          this.obj = document.all[name].id;
          this.style = document.all[name].style;
          this.inner = document.all[name].innerHTML;    
        }else if (document.layers){
          this.obj = document.layers[name].id;
          this.style = document.layers[name];
          this.inner = document.layers[name]; 
        }
    }
      
	  function inizializza(nameONE){
		//alert(DHTML);
		if (!DHTML) return;
		invisible('x'+nameONE);
	  }
	  
	  function invisible(nameONE){
		x = new getObj(nameONE);
		vis = x.style.display;
		//alert (vis);
		if(vis=='' || vis=='none'){
		  x.style.display = 'block';
		}else{
		  x.style.display = 'none';
		  //x.style.visibility = 'hidden';		  
		}       
	  } 
	  
	function getIndex(mySelect)
	  {
	  //var x=document.getElementById(mySelect);
	  //alert(x.selectedIndex);
	  document.getElementById(mySelect).selectedIndex=0;
	  //document.getElementById('radio_pbm').checked=true;	
	  //alert(document.getElementById('radio_pbm').checked);
	  //myvar = myForm.scelta[counter].value; 
	  //document.getElementById('radio_pbm').value;
	  //document.myForm.action = myvar; 	  
	  document.adoped.tipo_testo[0].checked=true;
	  }