/* Text resize from devedge.netscape.com */

function ndeSetTextSize(chgsize,rs) 
{
if (!document.documentElement || !document.body) return;
var newSize;
var startSize = parseInt(ndeGetDocTextSize());
if (!startSize) startSize = 12;
switch (chgsize)
  {
  case 'incr':
    newSize = startSize + 2; break;
  case 'decr':
    newSize = startSize - 2; break;
  case 'reset':
    if (rs) newSize = rs;
   else newSize = 10; break;
 default:
    newSize = parseInt(ndeReadCookie('nde-textsize', true));
    if (!newSize) newSize = startSize; break;
  }

if (newSize < 6) newSize = 6;
if (newSize > 30) newSize = 30;

newSize += 'px';
document.documentElement.style.fontSize = newSize;
document.body.style.fontSize = newSize;
ndeCreateCookie('nde-textsize', newSize, 365, true);
}

function ndeGetDocTextSize() 
{
  if (!document.body) return 0;
  var size = 0;
  var body = document.body;
  if (body.style && body.style.fontSize) size = body.style.fontSize;
  else if (typeof(getComputedStyle) != 'undefined') size = getComputedStyle(body,'').getPropertyValue('font-size');
  else if (body.currentStyle) size = body.currentStyle.fontSize; return size;
}

function ndeCreateCookie(name,value,days,useLang) 
{
  var langString = '';
  var cookie = name + langString + '=' + value + ';';
  if (days) 
  {
    var date = new Date();
    var ndeMilliSecondsInDay = 86400000; // 24*60*60*1000
    date.setTime(date.getTime()+(days*ndeMilliSecondsInDay));
    cookie += ' expires=' + date.toGMTString() + ';';
  }
  cookie += ' path=/';
  document.cookie = cookie;
}

function ndeReadCookie(name, useLang) 
{ 
var langString = useLang ? ndeGetLang() : ""; 
var nameEQ = name + langString + "="; 
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 null; 
}