var ROOT_DIR;
var efa_default = 100;
var efa_increment = 10;
var efa_max_size = 140;
var efa_min_size = 100;

/*
[
 'before HTML', 
 'inside HTML', 
 'title text', 
 'class text', 
 'id text', 
 'accesskey text', 
 'onmouseover JavaScript', 
 'onmouseout JavaScript', 
 'on focus JavaScript', 
 'after HTML'
]
*/

var efa_bigger = ['<!-- <p>Schrift:</p> -->',
	'',
	'Schrift grösser stellen',
	'typo_gr',
	'',
	'',
	'',
	'',
	'',
	'',
	''
	]

var efa_reset = ['',
	'',
	'Schrift zur&uuml;cksetzen',
	'typo_nl',
	'',
	'',
	'',
	'',
	'',
	'',
	''
	]

var efa_smaller = ['',
	'',
	'Schrift kleiner stellen',
	'typo_kl',
	'',
	'',
	'',
	'',
	'',
	'',
	''
	]

	
function Efa_Set_Deko(bg, bogen, hg, wd, of) {	
	//document.body.style.background='#fff url('+ROOT_DIR+'images/'+bg+')';
	document.getElementById('bogen').style.background=bogen;
	document.getElementById('content').style.height=hg;
	document.getElementById('content').style.width=wd;
	document.getElementById('content').style.overflow=of;
}

function Efa_Fontsize06(increment,bigger,reset,smaller,def) {
	this.w3c = (document.getElementById);
	this.ms = (document.all);
	this.userAgent = navigator.userAgent.toLowerCase();
	this.isMacIE = ((this.userAgent.indexOf('msie') != -1) && (this.userAgent.indexOf('mac') != -1) && (this.userAgent.indexOf('opera') == -1));
	this.isOldOp = ((this.userAgent.indexOf('opera') != -1)&&(parseFloat(this.userAgent.substr(this.userAgent.indexOf('opera')+5)) <= 7));

	if ((this.w3c || this.ms) && !this.isOldOp && !this.isMacIE) {
		this.name = "efa_fontSize06";
		this.cookieName = 'fontSize';
		this.increment = increment;
		this.def = def;
		this.defPx = Math.round(16*(def/100))
		this.base = 1;
		this.pref = this.getPref();
		this.testHTML = '<div id="efaTest" style="position:absolute;visibility:hidden;line-height:1em;">&nbsp;</div>';
		this.biggerLink = this.getLinkHtml(1,bigger);
		this.resetLink = this.getLinkHtml(0,reset);
		this.smallerLink = this.getLinkHtml(-1,smaller);
	} else {
		this.biggerLink = '';
		this.resetLink = '';
		this.smallerLink = '';
		this.efaInit = new Function('return true;');
	}

	this.allLinks = this.biggerLink + this.resetLink + this.smallerLink;
}

Efa_Fontsize06.prototype.efaInit = function() {
		document.writeln(this.testHTML);
		this.body = (this.w3c)?document.getElementsByTagName('body')[0].style:document.all.tags('body')[0].style;
		this.efaTest = (this.w3c)?document.getElementById('efaTest'):document.all['efaTest'];
		var h = (this.efaTest.clientHeight)?parseInt(this.efaTest.clientHeight):(this.efaTest.offsetHeight)?parseInt(this.efaTest.offsetHeight):999;
		if (h < this.defPx) this.base = this.defPx/h;
		var thSize = Math.round(this.pref*this.base);
		this.body.fontSize = thSize + '%';
		if(thSize <= 100) 	Efa_Set_Deko ("background.gif", 'url('+ROOT_DIR+'images/bogen.png)', '340px', '400px', 'auto'); 
		else 				Efa_Set_Deko ("backgroundb.gif", "none", 'auto', 'auto', 'hidden');	
}

Efa_Fontsize06.prototype.getLinkHtml = function(direction,properties) {
	var html = properties[0] + '<li><a href="#" onclick="efa_fontSize06.setSize(' + direction + '); return false;"';
	html += (properties[2])?'title="' + properties[2] + '"':'';
	html += (properties[3])?'class="' + properties[3] + '"':'';
	html += (properties[4])?'id="' + properties[4] + '"':'';
	html += (properties[5])?'name="' + properties[5] + '"':'';
	html += (properties[6])?'accesskey="' + properties[6] + '"':'';
	html += (properties[7])?'onmouseover="' + properties[7] + '"':'';
	html += (properties[8])?'onmouseout="' + properties[8] + '"':'';
	html += (properties[9])?'onfocus="' + properties[9] + '"':'';
	return html += '>'+ properties[1] + '<' + '/a></li>' + properties[10];
}

Efa_Fontsize06.prototype.getPref = function() {
	var pref = this.getCookie();
	if (pref) return parseInt(pref);
	else return this.def;
}

Efa_Fontsize06.prototype.setSize = function(direction) {
	this.pref = (direction)?this.pref+(direction*this.increment):this.def;
	if (this.pref <= efa_max_size && this.pref >= efa_min_size) {
		this.setCookie(this.pref);
		var newSize = Math.round(this.pref*this.base);
		this.body.fontSize = newSize + '%';
		if(newSize <= 100) 	Efa_Set_Deko ("background.gif", 'url('+ROOT_DIR+'images/bogen.png)', '340px', '400px', 'auto'); 
		else 				Efa_Set_Deko ("backgroundb.gif", "none", 'auto', 'auto', 'hidden');	
	}
	else if (this.pref > efa_max_size) this.pref = efa_max_size;
	else this.pref = efa_min_size;
}

Efa_Fontsize06.prototype.getCookie = function() {
	var cookie = cookieManager.getCookie();
	return (cookie)?cookie:false;
}

Efa_Fontsize06.prototype.setCookie = function(cookieValue) {
	return cookieManager.setCookie(cookieValue);
}

var  efa_fontSize06 = new Efa_Fontsize06(efa_increment,efa_bigger,efa_reset,efa_smaller,efa_default);