function blink1(){
  document.getElementById("carrello").src = 'template/images/menu/carrello.jpg';
  attesa = window.setTimeout("blink2()",500);
}


function blink2(){
  document.getElementById("carrello").src = 'template/images/menu/carrello_H.jpg';
  attesa = window.setTimeout("blink1()",500);
}

function avvia(){
  attesa = window.setTimeout("blink1()",500);
}


var disappeardelay=250   //menu disappear speed onMouseout (in miliseconds)
var horizontaloffset=0   //horizontal offset of menu from default location. (0-5 is a good value)

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
  document.write('<div id="dropmenudiv" style="visibility:hidden; width: 200px;" onmouseover="clearhidemenu();" onmouseout="dynamichide(event);"></div>')

function getposOffset(what, offsettype){
  var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
  var parentEl=what.offsetParent;
  while (parentEl!=null){
    totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
    parentEl=parentEl.offsetParent;
  }

  return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
  if (ie4||ns6)
    dropmenuobj.style.left=dropmenuobj.style.top= '-500px';
  dropmenuobj.widthobj=dropmenuobj.style;
  dropmenuobj.widthobj.width=menuwidth;
  if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
    obj.visibility=visible;
  else if (e.type=="click")
    obj.visibility=hidden;
}

function iecompattest(){
  return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}

function clearbrowseredge(obj, whichedge){
  var edgeoffset=0
  if (whichedge=="rightedge"){
    var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15;
    dropmenuobj.contentmeasure=dropmenuobj.offsetWidth;
    if (windowedge-dropmenuobj.x-obj.offsetWidth < dropmenuobj.contentmeasure)
      edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth;
  }
  else{
    var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset;
    var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18;
    dropmenuobj.contentmeasure=dropmenuobj.offsetHeight;

    if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move menu up?
      edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight;
      if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either? (position at top of viewable window then)
        edgeoffset=dropmenuobj.y;
    }
  }
  return edgeoffset;
}

function populatemenu(what){
  if (ie4||ns6)
    dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth){
  if (window.event) 
    event.cancelBubble=true;
  else if (e.stopPropagation)
    e.stopPropagation();
  clearhidemenu();
  dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv;
  populatemenu(menucontents);
  
  if (ie4||ns6){
    showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth);
    dropmenuobj.x=getposOffset(obj, "left");
    dropmenuobj.y=getposOffset(obj, "top");
    dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+horizontaloffset+'px';
    dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+'px';
    dropmenuobj.style.top=dropmenuobj.y-(dropmenuobj.offsetHeight/2)+8+'px';
   // alert(dropmenuobj.offsetHeight);
    //dropmenuobj.style.top=dropmenuobj.y+'px';
  }
  
  return clickreturnvalue();
  
}

function clickreturnvalue(){
  if (ie4||ns6)
    return false;
  else 
    return true;
}

function contains_ns6(a, b) {
  while (b.parentNode)
    if ((b = b.parentNode) == a)
      return true;
  return false;
}

function dynamichide(e){
  if (ie4&&!dropmenuobj.contains(e.toElement))
    delayhidemenu();
  else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
    delayhidemenu();
}

function hidemenu(e){
  if (typeof dropmenuobj!="undefined"){
    if (ie4||ns6)
      dropmenuobj.style.visibility="hidden";
  }
}

function delayhidemenu(){
  if (ie4||ns6)
    delayhide=setTimeout("hidemenu()", disappeardelay);
}

function clearhidemenu(){
  if (typeof delayhide!="undefined")
    clearTimeout(delayhide);
}

function changeImg(id,newImage){
  document.getElementById(id).src = 'images/'+newImage;
}