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

function SetCookie(name, value)
{
    var expdate = new Date();
    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) 
        expdate.setTime(expdate.getTime() + ( expires * 1000 ));
    
    document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
    +((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
    +((secure == true) ? "; secure" : "");
}

function DelCookie(name)
{
    var exp = new Date();
    exp.setTime (exp.getTime() - 1);
    var cval = GetCookie (name);
    document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
}

function GetCookie(name)
{
debugger;
    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 null;
}

*/




function createCookie(name,value,days) 
{
 if (days) 
 {
  var date;
  date = new Date();
  date.setTime(date.getTime()+(days*24*60*60*1000));
  var expires;
  expires = "; expires="+date.toGMTString();
 }
 else 
 {
    var expires;
    expires = "";
  }
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
 var nameEQ = name + "=";
 var ca = document.cookie.split(';');
 for(var i=0;i < ca.length;i++) {
  var c = ca[i];
  while (c.charAt(0)==' ') 
  {
    c = c.substring(1,c.length);
  }
  if (c.indexOf(nameEQ)==0) return c.substring(nameEQ.length,c.length);
 }
 return "";
}

function eraseCookie(name) {
 createCookie(name,"",-1);
}