var agt = navigator.userAgent.toLowerCase ();
var is_major = parseInt (navigator.appVersion);
var is_minor = parseFloat (navigator.appVersion);
var is_nav  = ((agt.indexOf ('mozilla') != -1) && (agt.indexOf ('spoofer') == -1) && (agt.indexOf ('compatible') == -1) && (agt.indexOf ('opera') == -1) && (agt.indexOf ('webtv') == -1) && (agt.indexOf ('hotjava') == -1) && (agt.indexOf ('safari') == -1));
var is_nav6 = (is_nav && (is_major == 5) && (agt.indexOf ("netscape") != -1) && (agt.indexOf ("netscape/7") == -1));
var is_nav6up = ((is_nav && (is_major >= 5)) || (is_nav && (agt.indexOf ('netscape/7') != -1)));
var is_ie      = ((agt.indexOf ("msie") != -1) && (agt.indexOf ("opera") == -1) && (agt.indexOf ("safari") == -1));
var is_ie3     = (is_ie && (is_major < 4));
var is_ie4     = (is_ie && (is_major == 4) && (agt.indexOf ("msie 4")!=-1));
var is_ie4up   = (is_ie && (is_major >= 4));
var is_ie5     = (is_ie && (is_major == 4) && (agt.indexOf ("msie 5.0") != -1));
var is_ie5_5   = (is_ie && (is_major == 4) && (agt.indexOf ("msie 5.5") != -1));
var is_ie5up   = (is_ie && !is_ie3 && !is_ie4);
var is_ie5_5up = (is_ie && !is_ie3 && !is_ie4 && !is_ie5);
var is_ie6     = (is_ie && (is_major == 4) && (agt.indexOf ("msie 6.") != -1));
var is_firefox = ((agt.indexOf ("firefox") != -1) && (agt.indexOf ("opera") == -1) && (agt.indexOf ("safari") == -1));
var is_opera = (agt.indexOf ("opera") != -1);
var is_nn = ((is_nav6 || is_nav6up) ? true : false);

var oldPage=false;

function menu_open (name,id) {
	var i=0;
	do {
		if (document.getElementById(name+'_'+i)) {
			if (id==i) {
				menu_hide(name+'_'+i);
				menu_show(name+'a_'+i);
			} else {
				
				menu_hide(name+'a_'+i);
				menu_show(name+'_'+i);
			}
		};
		++i;
	} while (document.getElementById(name+'_'+i))
	return false;
};

function menu_open2 (name,id) {
	var i=0;
	do {
		if (document.getElementById(name+'_'+i)) {
			menu_hide(name+'_'+i);
			++i;
		}
	} while (document.getElementById(name+'_'+i))
	menu_show(name+'_'+id);	
	return false;
};


function menu_hide(name) {
	document.getElementById(name).style.display="none";
};

function menu_show(name) {
	document.getElementById(name).style.display="";
};

function cambia(ImageName,ImageFile){
	ImageName.src = ImageFile;
}

function openWindow(url,width,height)
   {
   x = (640 - width)/2;
   y = (480 - height)/2;
   if (screen)
      {
      y = (screen.height - height)/2;
      x = (screen.width - width)/2;
      }
   window.open(url,'poppi','width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x);
   }
   
function formPages(page){
	if (!page) page=1;
	
	if (pagesCount>1){
		var pages="<span style='color:#DF211E'>Pages: </span>";
		
			if (page!=1) pages+="&nbsp;<a href='#' onclick='formPages("+(page-1)+"); return false' class='interno'><</a>";;

			if (page>2) pages+="&nbsp;<a href='#' onclick='formPages("+(page-2)+"); return false' class='interno'>"+(page-2)+"</a>";
			if (page>1) pages+="&nbsp;<a href='#' onclick='formPages("+(page-1)+"); return false' class='interno'>"+(page-1)+"</a>";			
			pages+="&nbsp;[<span style='color:#FF0000'>"+(page)+"</span>]";
			if (pagesCount>=(page+1)) pages+="&nbsp;<a href='#' onclick='formPages("+(page+1)+"); return false' class='interno'>"+(page+1)+"</a>";
			if (pagesCount>=(page+2)) pages+="&nbsp;<a href='#' onclick='formPages("+(page+2)+"); return false' class='interno'>"+(page+2)+"</a>";			
			
//		for (i=1; i<=pagesCount; i++){
//			if (i==page) pages+="&nbsp;[<span style='color:#FF0000'>"+i+"</span>]";
//				else pages+="&nbsp;<a href='#' onclick='formPages("+i+"); return false' class='interno'>"+i+"</a>";
//		}
		if (page!=pagesCount) pages+="&nbsp;<a href='#' onclick='formPages("+(page+1)+"); return false' class='interno'>></a>";		
		document.getElementById("cnt_pages").innerHTML=pages;
		if (oldPage) document.getElementById("cnt_"+oldPage).style.display="none";
	
	oldPage=page;
	
	} else {
		document.getElementById("list_page").style.display="none";
	}
	document.getElementById("cnt_"+page).style.display="block";
}


var show_menu_level2_id=0;

function show_menu_level2 (id) {
	hide_menu_level2();
	if (show_menu_level2_id!=id) {
		document.getElementById('menu_level_'+id).style.display="";
		show_menu_level2_id=id;
	} else {
		show_menu_level2_id=0;
	}
	
}

function hide_menu_level2() {
	i=1;
	while (document.getElementById('menu_level_'+i)) {
		document.getElementById('menu_level_'+i).style.display="none";
		i=i+1;
	}
}

function openWindow(url,width,height)
   {
   x = (640 - width)/2;
   y = (480 - height)/2;
   if (screen)
      {
      y = (screen.height - height)/2;
      x = (screen.width - width)/2;
      }
   window.open(url,'newWin','width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x);
   }
   
 function aprifinestra(url,width,height)
   {
   x = (640 - width)/2;
   y = (480 - height)/2;
   if (screen)
      {
      y = (screen.height - height)/2;
      x = (screen.width - width)/2;
      }
   window.open(url,'nuova','width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x);
   }