// Turn off error messaging, Comment out when testing
function stopError() {
  return true;
}

window.onerror = stopError;


// Detect Browser
var agt=navigator.userAgent.toLowerCase();

// *** BROWSER VERSION ***
// Note: On IE5, these return 4, so use is_ie5up to detect IE5.
var is_major = parseInt(navigator.appVersion);
  
var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
              && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
              && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
var is_nav5up = (is_nav && (is_major >= 5));
var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_ie4up  = (is_ie && (is_major >= 4));

function textSizer() {
  if (is_ie4up || is_nav5up)
  {
	var textSizer = '<table border="0" width="100%" id="table71" cellspacing="0" cellpadding="2">';
	textSizer += '	<tr>';
	textSizer += '		<td>';
	textSizer += '			<table border="1" width="100%" id="table72" cellspacing="0" cellpadding="2" bordercolor="#9CB7C7" style="border-collapse: collapse" bgcolor="#E5EEEC">';
	textSizer += '				<tr>';
	textSizer += '					<td>';
	textSizer += '						<img border="0" src="http://www.fcfpa.org/images/subtitle_text-size.gif" width="63" height="12" alt="Text Size"><a href="#small" onclick="setActiveStyleSheet(\'default\'); return false;"><img border="0" src="http://www.fcfpa.org/images/text-size-sm.gif" width="11" height="12" alt="Small"></a><a href="#medium" onclick="setActiveStyleSheet(\'med\'); return false;"><img border="0" src="http://www.fcfpa.org/images/text-size-md.gif" width="13" height="12" alt="Medium"></a><a href="#large" onclick="setActiveStyleSheet(\'lg\'); return false;"><img border="0" src="http://www.fcfpa.org/images/text-size-lg.gif" width="15" height="12" alt="Large"></td>';
	textSizer += '				</tr>';
	textSizer += '			</table>';
	textSizer += '		</td>';
	textSizer += '	</tr>';
	textSizer += '</table>';
	document.write(textSizer);
  }
}

function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

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

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}


var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);