function viewFirstMenuBlock(){
	return viewBlock( document.getElementById('menuStartElement') );
}
function viewBlock(oLink){
	var liColl = oLink.parentNode.parentNode.getElementsByTagName("li");
	var i=0,o;
	var tempID
	while(liColl[i] && (o=liColl[i++].childNodes[0]) ){ // ciclo tutti i link e li deseleziono
		tempID = o.href.substr(o.href.indexOf("#")+3);
		if( !document.getElementById(tempID) )
			o.style.display = "none"; // nascondo i link senza box
		else
			o.className = "";
	}
	oLink.className = "selected";
	var id = oLink.href.substr(oLink.href.indexOf("#")+3);
	var oSelected = document.getElementById(id);
	if(oSelected){
		var els = oSelected.parentNode.getElementsByTagName("table");
		for(var i=0; i<els.length; i++){
			if(els[i].className == "sheetTable")
				els[i].style.display = 'none';
		}
		
		oSelected.style.display = '';
	}
	return false;
}

function setEstensioneGaranzia(o){
	var fldGaranzia = document.getElementById("estensioneGaranziaID");
	if(o && fldGaranzia)
		fldGaranzia.value = o.value;
}