//
// creazione menu
// 1.14

ie=document.all?1:0
n=document.layers?1:0

var moveOnScroll=false
var hideAll=true

function makeMenuBar(obj,nest,vis){
    nest=(!nest) ? '':'document.'+nest+'.'
    this.css=(n) ? eval(nest+'document.'+obj):eval(obj+'.style')
	this.hideIt=b_hideIt;	this.showIt=b_showIt; this.vis=b_vis						
	if(ie && vis) this.css.visibility='hidden'
	this.state=1
	this.go=0
	this.height=n?this.css.document.height:eval(obj+'.offsetHeight')
	//this.top=b_gettop
	this.top=0
    this.obj = obj + "Object"; 	eval(this.obj + "=this")	
}

function b_gettop(){
	var gleft=(n) ? eval(this.css.top):eval(this.css.pixelTop);
	return gleft;
}

function b_showIt(){
	this.css.visibility="visible"
}
function b_hideIt(){
	this.css.visibility="hidden"
}
function b_vis(){
	if(this.css.visibility=="hidden" || this.css.visibility=="hide") return true;
}

function checkScrolled(){
	if(!oMenu.go)oMenu.css.top=(!oMenu.state)?eval(scrolled):eval(scrolled)
	if(n) setTimeout('checkScrolled()',30)
}

function menuBarInit(n){
	oSub=new Array()
	
	for(i=0;i<n;i++){
		oSub[i]=new makeMenuBar('divSub'+eval(i),'divBg',1)
	}

	//Moving menuBar
	oMenu=new makeMenuBar('divBg')
	scrolled=n?"window.pageYOffset":"document.body.scrollTop"
	oMenu.css.top=0
	oMenu.css.visibility='visible'
	if(moveOnScroll) ie?window.onscroll=checkScrolled:checkScrolled();
}



function extract(num){
var dt;

	if(hideAll){
		for(i=0;i<oSub.length;i++){
			if(num!=i) oSub[i].hideIt()
			
		}
	}
  
    if (oSub[num].vis == false) {
        oSub[i].hideIt();
        
    } else {
        oSub[num].showIt();
        dt = setTimeout ('oSub['+num+'].hideIt()',3000);
        
    }
}