/* mauro nascondi gli elementi */



function scambio(id){
	 if (document.getElementById){
    		if(document.getElementById(id).style.display == 'none'){
      			document.getElementById(id).style.display = 'block';
    		} else {
      			document.getElementById(id).style.display = 'none';
    		}
  	}
}





function scambiomenu(id){

var Verifica = readCookie("menu");	

//controlla che i 2 oggetti esistano
var obligs = document.getElementById(Verifica)?document.getElementById(Verifica+"C"):null;

if (Verifica != null){

	if (obligs!=null) {
	document.getElementById(Verifica).style.display = 'none'; 
	document.getElementById(Verifica+"C").className = 'bottone'; 
	}

}

	if (document.getElementById){
		//alert(id);
    		if(document.getElementById(id).style.display == 'none'){
      			document.getElementById(id).style.display = 'block';
				document.getElementById(id+"C").className = 'bottoneb';
			
    		} else {
      			document.getElementById(id).style.display = 'none';
				
    		}
  	}
	
	if (id != 'LLL'){
		createCookie("menu",id,1);
		//alert(id);
		
	}
}




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 var 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;
}