if (document.getElementById){
document.write('<style type="text/css">\n')
document.write('.menu_int{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu(obj,obj2){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var el2 = document.getElementById(obj2);	
	var ar = document.getElementById("principale").getElementsByTagName("span");
	var ar2 = document.getElementById("principale").getElementsByTagName("div");	
		if(el.style.display != "block"){
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="menu_int")
				ar[i].style.display = "none";
				ar2[i].style.backgroundColor="#990000";			
				ar2[i].style.color="#ff9933";						

}
			el2.style.backgroundColor="#CE6A35";			
			el2.style.color="#ffffff";						
			el.style.display = "block";
		}else{
			el2.style.backgroundColor="#990000";			
			el2.style.color="#ff9933";						
			el.style.display = "none";
		}
	}
}
function visibile(img1,img2) {
	if(document.getElementById){
	var el1 = document.getElementById(img1);
	var el2 = document.getElementById(img2);	
		if(el1.style.visibility !="visible"){
			el1.style.visibility="visible";
			el2.style.visibility="visible";			
		}else{
			el1.style.visibility="hidden";
			el2.style.visibility="hidden";			
		}
	}
	
}