//Generic Drag Script- © Dynamic Drive (www.dynamicdrive.com)
//For full source code and terms of usage,
//visit http://www.dynamicdrive.com

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

var dragapproved=false
var z,x,y

function move(e){
if (dragapproved){
z.style.left=ns6? temp1+e.clientX-x: temp1+event.clientX-x
z.style.top=ns6? temp2+e.clientY-y : temp2+event.clientY-y
return false
}
}

function drags(e){
if (!ie&&!ns6)
return
var firedobj=ns6? e.target : event.srcElement
var topelement=ns6? "HTML" : "BODY"

while (firedobj.tagName!=topelement&&firedobj.className!="drag"){
firedobj=ns6? firedobj.parentNode : firedobj.parentElement
}

if (firedobj.className=="drag"){
dragapproved=true
z=firedobj
temp1=parseInt(z.style.left+0)
temp2=parseInt(z.style.top+0)
x=ns6? e.clientX: event.clientX
y=ns6? e.clientY: event.clientY
document.onmousemove=move
return false
}
}
document.onmousedown=drags
document.onmouseup=new Function("dragapproved=false")


function posizioni(azione){
var t=document.all.length;
var m='';
var v='';
var x0;
var y0;

for (var i=0;i<t;i++){
   var obj=document.all[i];
   if (obj.tagName.toUpperCase()=='DIV' && obj.className.toUpperCase()=='DRAG') {
   m=obj.id;
       
   if (azione) {
          x0=obj.style.left;
          y0=obj.style.top;
         // SetCookie(m,x0+'|'+y0);
     }
   else {
        //  v=GetCookie(m);
          if (v){
            a=v.split('|');
            obj.style.left=a[0];
            obj.style.top=a[1];
            }
     }
   }

 }
 
//       m+='id='+obj.id+",nome="+obj.name+",tag="+obj.tagName+'\n';
//          alert(m);

}
//-->


// --------------------- ROUTINES DI GESTIONE COOKIE ------------------------

function FixCookieDate (date) {
  var base = new Date(0);
  var skew = base.getTime();
  if (skew > 0)
    date.setTime (date.getTime() - skew);
}

function getCookieVal (offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
    endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}


function GetCookie (name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
      return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break; 
  }
  return "";
}


function SetCookie (name, value) {
  var argv = SetCookie.arguments;
  var argc = SetCookie.arguments.length;
  var expires = (argc > 2) ? argv[2] : null;
  var path = (argc > 3) ? argv[3] : null;
  var domain = (argc > 4) ? argv[4] : null;
  var secure = (argc > 5) ? argv[5] : false;
if (expires!=null) FixCookieDate(expires); 
  document.cookie = name + "=" + escape (value) +
    ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
    ((path == null) ? "" : ("; path=" + path)) +
    ((domain == null) ? "" : ("; domain=" + domain)) +
    ((secure == true) ? "; secure" : "");
}


function DeleteCookie (name) {
  var exp = new Date();
  FixCookieDate (exp);
  exp.setTime (exp.getTime() - 1);  
  var cval = GetCookie (name);
  if (cval != null)
    document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
// --------------------- FINE ROUTINES DI GESTIONE COOKIE --------------------