var efa_default = 75;
var efa_increment = 10;

var efa_smaller = ['<ul><li>Schriftgr&ouml;&szlig;e:</li><li>',
				   '<img src="fileadmin/graphic/claus-rixen-schule/efa-.gif" style="border:0;" />', //HTML to go before 'smaller' link
				   'Schriftgrad kleiner',							//HTML to go inside 'smaller' anchor tag
				   '',											//class attribute
				   '',											//id attribute
				   '',											//name attribute
				   '',											//accesskey attribute
				   '',											//onmouseover attribute
				   '',											//onmouseout attribute
				   '',											//onfocus attribute
				   '</li>'									//HTML to go after 'smaller' link
				   ]
var efa_reset = ['<li>',
				 '<img src="fileadmin/graphic/claus-rixen-schule/efa=.gif" style="border:0;" />', //HTML to go before 'reset' link
				 'Schriftgrad normal',						//HTML to go inside 'reset' anchor tag
				  '',											//class attribute
				  '',											//id attribute
				  '',											//name attribute
				  '',											//accesskey attribute
				  '',											//onmouseover attribute
				  '',											//onmouseout attribute
				  '',											//onfocus attribute
				  '</li>'											//HTML to go after 'reset' link
				  ]
var efa_bigger = ['<li>',		//HTML to go before 'bigger' link
				  '<img src="fileadmin/graphic/claus-rixen-schule/efa+.gif" style="border:0;" />', //HTML to go inside 'bigger' anchor tag
				  'Schriftgrad gr&ouml;sser',				//title attribute
				  '',											//class attribute
				  '',											//id attribute
				  '',											//name attribute
				  '',											//accesskey attribute
				  '',											//onmouseover attribute
				  '',											//onmouseout attribute
				  '',											//onfocus attribute
				  '</li></ul>'									//HTML to go after 'bigger' link
				  ]






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

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;
		this.body.fontSize = Math.round(this.pref*this.base) + '%';
}

Efa_Fontsize06.prototype.getLinkHtml = function(direction,properties) {
	
	var html = properties[0] + '<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>' + 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;
	this.setCookie(this.pref);
	this.body.fontSize = Math.round(this.pref*this.base) + '%';
}

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);
