// retrieve cookie.
function getCookie(name){
  var cname = name + "=";
  var dc = document.cookie;
  if (dc.length > 0) {
    begin = dc.indexOf(cname);
    if (begin != -1) {
      begin += cname.length;
      end = dc.indexOf(";", begin);
      if (end == -1) end = dc.length;
        return unescape(dc.substring(begin, end));
    }
  }
  return null;
}

// set cookie.
function setCookie(name, value, expires, path, domain, secure) {
  document.cookie = name + "=" + escape(value) +
  ((expires == null) ? "" : "; expires=" + expires.toGMTString()) +
  ((path == null) ? "" : "; path=" + path) +
  ((domain == null) ? "" : "; domain=" + domain) +
  ((secure == null) ? "" : "; secure");
}

// delete cookie.
function delCookie (name,path,domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" +
    ((path == null) ? "" : "; path=" + path) +
    ((domain == null) ? "" : "; domain=" + domain) +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

var firstCall = true;

function changeFontsize(fSize, increment) {
    
    
  var tdContentPlace=document.getElementById("tdContentPlace");
  
  if (increment>0 && parseInt(tdContentPlace.style.fontSize)>18) return;
  if (increment<0 && parseInt(tdContentPlace.style.fontSize)<9) return;

  if (firstCall) {
    firstCall = false;
    if (increment != "")
      changeFontsize('11', '');
    }
    
    var eachElement, currentFontSize, fontIncrease, newFontSize;
    
    if (increment != "") {
        currentFontSize = parseInt(tdContentPlace.style.fontSize);
        fontIncrease = parseInt(increment);
        newFontSize = currentFontSize + fontIncrease;
    } else if (fSize != ""){
        newFontSize = parseInt(fSize);
    }
  
    tdContentPlace.style.fontSize = newFontSize + "px";
    setCookie('fontSize', newFontSize);
    
    var tblResizableConsMembers=document.getElementById("tblResizableConsMembers");
    if (tblResizableConsMembers) tblResizableConsMembers.style.fontSize = newFontSize + "px";
    
}