function menu_prodotto(divid) {

//if(divid==1) {
//	document.getElementById("correlati-tab").style.display = 'block';
//	document.getElementById("download-tab").style.display = 'none';
//}else if (divid==2) {
//        document.getElementById("correlati-tab").style.display = 'none';
//        document.getElementById("download-tab").style.display = 'block';
//}

document.getElementById("correlati-tab").style.display = 'block';

}

function caratteristiche(chars, divid) {

if (typeof(divid)=='undefined') {
	document.getElementById(chars[0]).style.display = 'block';
	document.getElementById("sel"+chars[0]).className = 'on';
}else{
   for (var Active in chars) {
	document.getElementById(chars[Active]).style.display = 'none';
	document.getElementById("sel"+chars[Active]).className = 'off';
   }
        document.getElementById(divid).style.display = 'block';
        document.getElementById("sel"+divid).className = 'on';
   }
}