var caricata="false",startLay=0,startRoll=0,mouseX,mouseY,idtime=0

NavImgArray = ["menu_1","menu_2","menu_3","menu_4","menu_5","menu_6","menu_1_1","menu_1_2","menu_1_3","menu_1_4","menu_1_5","menu_1_6","menu_2_1","menu_2_2","menu_2_3","menu_2_4","menu_2_5","menu_2_6","menu_2_7","menu_2_8","menu_3_1","menu_3_2","menu_3_3","menu_3_4","menu_3_5","menu_4_1","menu_4_2","menu_4_3","menu_4_4","menu_4_5","menu_4_6","menu_5_1","menu_5_2","menu_5_3","menu_5_4","menu_5_5","menu_5_6","menu_6_1","menu_6_2","menu_6_3","menu_6_4","menu_6_5","menu_6_6","vuoto","vuoto2"]
for (i=0;i<NavImgArray.length;i++){
eval("dumbImg"+NavImgArray[i]+"=new Image();")
eval("dumbImg"+NavImgArray[i]+".src='_img/"+NavImgArray[i]+".gif';")
eval("dumbImgOn"+NavImgArray[i]+"=new Image();")
eval("dumbImgOn"+NavImgArray[i]+".src='_img/"+NavImgArray[i]+"_f2.gif';")
}


function StartShowing(lay,img) {
	if (caricata=="true") {
	lay1="l_"+lay;
		hideAll();
		eval("document."+lay+".src=dumbImgOn"+lay+".src")
		Lay(lay,"I");
		if (document.layers){
			eval("document.layers['"+lay1+"'].document."+img+".src=dumbImgOn"+img+".src")
		}
		else {
			eval("document."+img+".src=dumbImgOn"+img+".src")
		}
	startLay=lay,startRoll=img
	}
}


function hideAll() {
eval("document.menu_1.src=dumbImgmenu_1.src")
eval("document.menu_2.src=dumbImgmenu_2.src")
eval("document.menu_3.src=dumbImgmenu_3.src")
eval("document.menu_4.src=dumbImgmenu_4.src")
eval("document.menu_5.src=dumbImgmenu_5.src")
eval("document.menu_6.src=dumbImgmenu_6.src")
	if (document.all){
	document.all.l_menu_1.style.visibility="hidden"
	document.all.l_menu_2.style.visibility="hidden"
	document.all.l_menu_3.style.visibility="hidden"
	document.all.l_menu_4.style.visibility="hidden"
	document.all.l_menu_5.style.visibility="hidden"
	document.all.l_menu_6.style.visibility="hidden"
	}
	else if (document.getElementById){
	document.getElementById("l_menu_1").style.visibility="hidden"
	document.getElementById("l_menu_2").style.visibility="hidden"
	document.getElementById("l_menu_3").style.visibility="hidden"
	document.getElementById("l_menu_4").style.visibility="hidden"
	document.getElementById("l_menu_5").style.visibility="hidden"
	document.getElementById("l_menu_6").style.visibility="hidden"
	}
	else {
	document.layers.l_menu_1.visibility="hide"
	document.layers.l_menu_2.visibility="hide"
	document.layers.l_menu_3.visibility="hide"
	document.layers.l_menu_4.visibility="hide"
	document.layers.l_menu_5.visibility="hide"
	document.layers.l_menu_6.visibility="hide"
	}
}


function MenuNav(element,mode){
clearTimeout(idtime);
	if (caricata=="true") {
		var img=element;
		hideAll();
		eval("document."+img+".src=dumbImgOn"+img+".src")
		Lay(element,"I");
	}
}

function checkTime(){
  idtime = setTimeout("StartShowing(startLay,startRoll)",2000);
}


function Lay(lay,IO){
lay="l_"+lay;
if (document.all){
(IO=="I")? document.all[lay].style.visibility="visible" : document.all[lay].style.visibility="hidden"
}
else if (document.getElementById){
(IO=="I")? document.getElementById(lay).style.visibility="visible" : document.getElementById(lay).style.visibility="hidden"
}
else if(document.layers){
(IO=="I")? eval("document.layers['"+lay+"'].visibility='show'") : eval("document.layers['"+lay+"'].visibility='hide'")
}
else return false
}



function NavRoll(img,mode,lay){
lay1="l_"+lay;
startLay1="l_"+startLay;
	if (document.layers){
		if (mode=="I"){
			clearTimeout(idtime);
			eval("document.layers['"+lay1+"'].document."+img+".src=dumbImgOn"+img+".src")
			if (img!=startRoll) {
			eval("document.layers['"+startLay1+"'].document."+startRoll+".src=dumbImg"+startRoll+".src")
			}
		}
		if (mode=="O"){
			eval("document.layers['"+lay1+"'].document."+img+".src=dumbImg"+img+".src")
			checkTime();
		}
	}
	else {
		if (mode=="I"){
			clearTimeout(idtime);
			eval("document."+img+".src=dumbImgOn"+img+".src")
			if (img!=startRoll) {
			eval("document."+startRoll+".src=dumbImg"+startRoll+".src")
			}
		}
		if (mode=="O"){
			eval("document."+img+".src=dumbImg"+img+".src")
			checkTime();
		}
	}
}