// toggle visibility
function toggle (targetId) { if (document.getElementById) { target = document.getElementById (targetId); if (target.style.display == "none") { target.style.display = ""; } else { target.style.display = "none"; } } }
// ajax
var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""

function lw(url, containerid){
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
if (bustcachevar) //if bust caching of external page
bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
page_request.open('GET', url+bustcacheparameter, true)
page_request.send(null)
}

function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}

//dynamic text resizing
var prefsLoaded = false;
var currentFontSize = 12;
var currentFontType = 1;
var currentStyle = "screen";

function revertStyles(){
	currentFontType = 1;
	setFontFace(1);
	
	currentFontSize = 12;
	changeFontSize(0);
	
	currentStyle = "screen";
	setColor("screen");
	
	currentWidth = 990;
	setWidth(990);
}
function toggleColors(){
	if(currentStyle == "screen"){
		setColor("white");
		}else{
		setColor("screen");
	}
	
}
function setColor(color){
	d=new Date();
	flash=Math.round(Math.random()*d.getTime());
	if(color != "screen"){
		document.body.className = 'Retro';
		currentStyle = "white";
		
	}else{
		document.body.className = '';
		currentStyle = "screen";
	}
}

function changeFontSize(sizeDifference){
	currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference);

	if(currentFontType == 1){
		if(currentFontSize > 16){
			currentFontSize = 16;
		}else if(currentFontSize < 8){
			currentFontSize = 8;
		}
	}else{
		if(currentFontSize > 19){
			currentFontSize = 19;
		}else if(currentFontSize < 8){
			currentFontSize = 8;
		}
	}
	setFontSize(currentFontSize);
};
function setFontSize(fontSize){
	var stObj = (document.getElementById) ? document.getElementById('content') : document.all('content');
	stObj.style.fontSize = fontSize + 'px';
};

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 =  setUserOptions; document.getElementsByTagName('object');

function setUserOptions(){
	if(!prefsLoaded){
		
		cookie = readCookie("fontSize");
		currentFontSize = cookie ? cookie : 12;
		setFontSize(currentFontSize);
		
		cookie = readCookie("pageColor");
		currentStyle = cookie ? cookie : "screen";
		setColor(currentStyle);

		prefsLoaded = true;
	}
}

window.onunload = saveSettings;

function saveSettings()
{
  createCookie("fontSize", currentFontSize, 16);
  createCookie("fontFace", currentFontType, 16);
  createCookie("pageColor", currentStyle, 16);
}