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





function pl_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 pl_getCookieVal(j);
      i = document.cookie.indexOf(' ', i) + 1;

      if (i == 0) break;
    }
    
    return '';
}

function pl_SetCookie(name, value)
{
    var expDays = 365;
    var exp = new Date();
    exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
    var argv = pl_SetCookie.arguments;
    var argc = pl_SetCookie.arguments.length;
    var expires = (argc > 2) ? argv[2] : exp;
    var path = (argc > 3) ? argv[3] : null;
    var domain = (argc > 4) ? argv[4] : null;
    var secure = (argc > 5) ? argv[5] : false;
    document.cookie = name + '=' + escape (value) + ((expires == null) ? '' : ('; expires=' + expires.toGMTString())) + ((path == null) ? '' : ('; path=' + path)) +  ((domain == null) ? '' : ('; domain=' + domain)) + ((secure == true) ? '; secure' : '');
}

function pl_GetQueryString(key)
{

  key = key.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regex = new RegExp("[\\?&]"+key+"=([^&#]*)");
  var qs = regex.exec(window.location.href);
  if(qs == null)
    return '';
  else
    return qs[1];
}

function pl_HideElement(elementId)
{
    var objElement = document.getElementById(elementId);
    if (objElement)
        objElement.style.display = 'none';
}

function ShowHideX(link1Id, link2Id, containerId, closeText, showText)
  {
    var lnk1ToChange = document.getElementById(link1Id);
    var lnk2ToChange = document.getElementById(link2Id);
    var containerToHide = document.getElementById(containerId); 
    if ((containerToHide) && (lnk1ToChange) && (lnk2ToChange))
    {
        if(containerToHide.style.display=='none')
        {
            containerToHide.style.display='inline'
            lnk1ToChange.innerText = closeText;
            lnk2ToChange.innerText = closeText;
        }
        else
        {   
            containerToHide.style.display='none'
            lnk1ToChange.innerText = showText;
            lnk2ToChange.innerText = showText;
        }
        pl_SetCookie(link1Id, containerToHide.style.display);
    }
  }