/* Dieses Skript wird zur Verfuegung gestellt von http://www.einfachfueralle.de - Einfach fuer Alle, eine Initiative der Aktion Mensch
http://www.einfachfueralle.de/download
*/
var efa_default = 100;											
var efa_increment = 20;	
										
var efa_bigger =	['<span>'+_STRZOOMDESC+'</span>',
					'<img src="/images/opftpws/icon_zoom_max.gif" alt="+ ('+_STRZOOMBIG+')" title="'+_STRZOOMBIG+'"/>',
				  	_STRZOOMBIG,
				  	'',
				  	'',
				  	'',
				  	'+',
				  	'this.firstChild.src=\'/images/opftpws/icon_zoom_max1.gif\';this.firstChild.className=\'active\'',
				 	'this.firstChild.src=\'/images/opftpws/icon_zoom_max.gif\';this.firstChild.className=\'\'',
				  	'',
				  	''
				  	]
var efa_reset = 	['',					
				 	'<img src="/images/opftpws/icon_zoom_def.gif" alt="o ('+_STRZOOMDEF+')" title="'+_STRZOOMDEF+'"/>',				
				 	_STRZOOMDEF,
				 	'',
				 	'',
				 	'',
				 	'0',											
				 	'this.firstChild.src=\'/images/opftpws/icon_zoom_def1.gif\';this.firstChild.className=\'active\'',											
				 	'this.firstChild.src=\'/images/opftpws/icon_zoom_def.gif\';this.firstChild.className=\'\'',
				 	'',
				 	''
				 	]
var efa_smaller = 	['',
				   	'<img src="/images/opftpws/icon_zoom_min.gif" alt="- ('+_STRZOOMSMALL+')" title="'+_STRZOOMSMALL+'"/>',				
				   	_STRZOOMSMALL,							
				   	'',											
				   	'',											
				   	'',											
				   	'-',											
				   	'this.firstChild.src=\'/images/opftpws/icon_zoom_min1.gif\';this.firstChild.className=\'active\'',											
				   	'this.firstChild.src=\'/images/opftpws/icon_zoom_min.gif\';this.firstChild.className=\'\'',
				   	'',
				   	''
				   	]

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));
	this.isOldOp = false;
	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;">�</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;
		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[7])?'onfocus="' + properties[7] + '"':'';
	html += (properties[8])?'onblur="' + properties[8] + '"':'';
	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;
	if (this.pref < 100) this.pref = 100;
	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);

if (efa_fontSize06) efa_fontSize06.efaInit();