function popitem(codice) {
   w=400-10;
   h=400-57;
   l=((screen.width-w)/2);
   t=((screen.height-h)/2);
   dimensioni="width="+w+",height="+h+",left="+l+",top="+t+",screenX="+l+",screeenY="+t+",";
   parametri="directory=yes, location=no, menubar=no, resizable=yes, scrollbars=yes, status=no, toolbar=no, fullscreen=no";
   window.open("_pop-item.asp?codice="+codice,'pop',dimensioni+parametri);
}


function pop(url,w,h) {
   l=((screen.width-w)/2);
   t=((screen.height-h)/2);
   w=w-10;
   h=h-57;
   dimensioni="width="+w+",height="+h+",left="+l+",top="+t+",screenX="+l+",screeenY="+t+",";
   parametri="directory=yes, location=no, menubar=no, resizable=yes, scrollbars=yes, status=no, toolbar=no, fullscreen=no";
   window.open(url,'pop',dimensioni+parametri);
}


function view(nomelayer, iState) // 1 visible, 0 hidden
{
    if(document.layers)	   //NN4+
    {
       document.layers[nomelayer].visibility = iState ? "show" : "hide";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(nomelayer);
        obj.style.visibility = iState ? "visible" : "hidden";
    }
    else if(document.all)	// IE 4
    {
        document.all[nomelayer].style.visibility = iState ? "visible" : "hidden";
    }
}

function viewY(nomelayer, Y) // 1 visible, 0 hidden
{
    if(document.layers)	   //NN4+
    {
       document.layers[nomelayer].visibility = "show";
       document.layers[nomelayer].top = Y;
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(nomelayer);
        obj.style.visibility = "visible";
        obj.style.top = Y;
    }
    else if(document.all)	// IE 4
    {
        document.all[nomelayer].style.visibility = "visible";
        document.all[nomelayer].style.top = Y;
    }
}

function collection(liv) // 1 visible, 0 hidden
{
    if(liv==0) view("testoCollection",1);  else  view("testoCollection",0);
	if(liv==1) view("testoCollection1",1); else  view("testoCollection1",0);
    if(liv==2) view("testoCollection2",1); else  view("testoCollection2",0);
    if(liv==3) view("testoCollection3",1); else  view("testoCollection3",0);
    if(liv==4) view("testoCollection4",1); else  view("testoCollection4",0);
    if(liv==5) view("testoCollection5",1); else  view("testoCollection5",0);
    if(liv==6) view("testoCollection6",1); else  view("testoCollection6",0);
    if(liv==7) view("testoCollection7",1); else  view("testoCollection7",0);
}

function ricetta(lv) // 1 visible, 0 hidden
{	
    if(lv==0) {
		view("testoIngredienti",1); 
		view("lyr1",1);
		}
		else  {
		view("testoIngredienti",0);
		view("lyr1",0);
		}
	if(lv==1) {
		view("testoPreparazione",1); 
		view("lyr2",1);
		}
		else  {
		view("testoPreparazione",0);
		view("lyr2",0);
		}
	if(lv==3) {
		view("testoIngredienti",0); 
		view("lyr1",0);
		view("testoPreparazione",0);
		view("lyr2",0);
		}
}