function increaseFontSize() {
	var font = document.getElementById('right-column');
	font.style.fontSize = "1.2em";
}

function decreaseFontSize() 
{
	var font = document.getElementById('right-column');
	font.style.fontSize = "1em";
}

function changeTab(tab, self)
{
	$$('div.tab').each(function(item){
		item.set({'styles' : {'display' : 'none'}});
	});
	$('tab_'+tab).set({'styles' : {'display' : 'block'}});
	if ($('tabs-index'))
		$$('div#tabs-index ul li a').each(function(item){
			item.removeClass('active');
		});
	else
		$$('div#tabs ul li a').each(function(item){
			item.removeClass('active');
		});
	self.addClass('active');

	return false;
}

function getTips(type)
{
	if ($(type).value == '')
		return false;

	$('box_tip_'+type).set('html', 'Prebieha vyhľadávanie...');
	req = new Request.HTML({
		url: window.location.href,
		data: 'ajax=getTips&type='+type+'&search='+$(type).value,
		onSuccess: function(html){
			$('box_tip_'+type).set('html', '');
			$('box_tip_'+type).adopt(html);
		}
	});
	req.send();
	
	return false;
}

function setTip(type, value)
{
	$(type).set('value', value);
	$('box_tip_'+type).set('html', '');
	
	return false;
}

function toggleIndexSchools()
{
	if ($('skoly').getStyle('display') == 'none') {
		$('skoly').set({'styles' : {'display' : ''}});
		$('toggle_schools_icon').set('src', 'images/icons/arrowd.png');
	}
	else {
		$('skoly').set({'styles' : {'display' : 'none'}});
		$('toggle_schools_icon').set('src', 'images/icons/arrowr.png');
	}
}

function toggleWarnDiv()
{
	if ($('warn_div').getStyle('display') == 'none') {
		$('warn_div').set({'styles' : {'display' : ''}});
		$('toggle_warn_div_icon').set('src', 'images/icons/arrowbd.png');
	}
	else {
		$('warn_div').set({'styles' : {'display' : 'none'}});
		$('toggle_warn_div_icon').set('src', 'images/icons/arrowbr.png');
	}
}

function removeWizardParam(param)
{                                             
	if ($$('.wizard_' + param).length == 1){
		alert('Nie je možné odobrať posledný parameter z filtra!');
		return false;
	}
}

function addProgramToMyList(id, name, alias)
{
	var res = new Array();
	if (Cookie.read('programsMyList')) {
		res = JSON.decode(Cookie.read('programsMyList'));
		for (a in res) {
			if (res[a].i == id) {
				alert('Program sa v zozname už nachádza!');
				return false;
			}
		}
	}
	res[res.length] = {i:id, n:name, a:alias};

	Cookie.write('programsMyList', JSON.encode(res), {duration: 30, path: '/'});

	if ($('my_programs').getStyle('display') == 'none')
		$('my_programs').setStyle('display', '');
	$('mpl_box').innerHTML += '<li id="mpl_'+id+'" style="border-left: 1px solid #999999;"><div style="float: left; width: 190px;"><a href="sk/studijny-program/'+alias+'">'+name+'</a></div><div style="float: right; text-align: center; width: 20px; border: 0px; vertical-align: middle;"><a href="#" class="remove" onclick="return removeProgramFromMyList('+id+');"><img src="images/icons/removesmall.png" style="visibility: hidden;" alt="odstrániť"></a></div></li>';
	return false;
}

function removeProgramFromMyList(id)
{
	var c = JSON.decode(Cookie.read('programsMyList'))
	var res = new Array();
	for (a in c) {
		if (c[a].i != id && c[a].i > 0) {
			res[res.length] = {i:c[a].i, n:c[a].n, a:c[a].a};
		}
	}
	Cookie.write('programsMyList', JSON.encode(res), {duration: 30, path: '/'});

	$('mpl_'+id).dispose();

	return false;
}

/*
	Slimbox v1.71 - The ultimate lightweight Lightbox clone
	(c) 2007-2009 Christophe Beyls <http://www.digitalia.be>
	MIT-style license.
*/
var Slimbox=(function(){var F=window,n=Browser.Engine.trident4,u,g,G=-1,o,w,E,v,y,M,s,m={},t=new Image(),K=new Image(),I,a,h,q,J,e,H,c,A,L,x,i,d,C;F.addEvent("domready",function(){$(document.body).adopt($$(I=new Element("div",{id:"lbOverlay",events:{click:D}}),a=new Element("div",{id:"lbCenter"}),H=new Element("div",{id:"lbBottomContainer"})).setStyle("display","none"));h=new Element("div",{id:"lbImage"}).injectInside(a).adopt(q=new Element("div",{styles:{position:"relative"}}).adopt(J=new Element("a",{id:"lbPrevLink",href:"#",events:{click:B}}),e=new Element("a",{id:"lbNextLink",href:"#",events:{click:f}})));c=new Element("div",{id:"lbBottom"}).injectInside(H).adopt(new Element("a",{id:"lbCloseLink",href:"#",events:{click:D}}),A=new Element("div",{id:"lbCaption"}),L=new Element("div",{id:"lbNumber"}),new Element("div",{styles:{clear:"both"}}))});function z(){var N=F.getScroll(),O=F.getSize();$$(a,H).setStyle("left",N.x+(O.x/2));if(v){I.setStyles({left:N.x,top:N.y,width:O.x,height:O.y})}}function l(N){["object",n?"select":"embed"].forEach(function(P){Array.forEach(document.getElementsByTagName(P),function(Q){if(N){Q._slimbox=Q.style.visibility}Q.style.visibility=N?"hidden":Q._slimbox})});I.style.display=N?"":"none";var O=N?"addEvent":"removeEvent";F[O]("scroll",z)[O]("resize",z);document[O]("keydown",p)}function p(O){var N=O.code;return u.closeKeys.contains(N)?D():u.nextKeys.contains(N)?f():u.previousKeys.contains(N)?B():false}function B(){return b(w)}function f(){return b(E)}function b(N){if(N>=0){G=N;o=g[N][0];w=(G||(u.loop?g.length:0))-1;E=((G+1)%g.length)||(u.loop?0:-1);r();a.className="lbLoading";m=new Image();m.onload=k;m.src=o}return false}function k(){a.className="";d.set(0);h.setStyles({backgroundImage:"url("+o+")",display:""});q.setStyle("width",m.width);$$(q,J,e).setStyle("height",m.height);A.set("html",g[G][1]||"");L.set("html",(((g.length>1)&&u.counterText)||"").replace(/{x}/,G+1).replace(/{y}/,g.length));if(w>=0){t.src=g[w][0]}if(E>=0){K.src=g[E][0]}M=h.offsetWidth;s=h.offsetHeight;var P=Math.max(0,y-(s/2)),N=0,O;if(a.offsetHeight!=s){N=i.start({height:s,top:P})}if(a.offsetWidth!=M){N=i.start({width:M,marginLeft:-M/2})}O=function(){H.setStyles({width:M,top:P+s,marginLeft:-M/2,visibility:"hidden",display:""});d.start(1)};if(N){i.chain(O)}else{O()}}function j(){if(w>=0){J.style.display=""}if(E>=0){e.style.display=""}C.set(-c.offsetHeight).start(0);H.style.visibility=""}function r(){m.onload=$empty;m.src=t.src=K.src=o;i.cancel();d.cancel();C.cancel();$$(J,e,h,H).setStyle("display","none")}function D(){if(G>=0){r();G=w=E=-1;a.style.display="none";x.cancel().chain(l).start(0)}return false}Element.implement({slimbox:function(N,O){$$(this).slimbox(N,O);return this}});Elements.implement({slimbox:function(N,Q,P){Q=Q||function(R){return[R.href,R.title]};P=P||function(){return true};var O=this;O.removeEvents("click").addEvent("click",function(){var R=O.filter(P,this);return Slimbox.open(R.map(Q),R.indexOf(this),N)});return O}});return{open:function(P,O,N){u=$extend({loop:false,overlayOpacity:0.8,overlayFadeDuration:400,resizeDuration:400,resizeTransition:false,initialWidth:250,initialHeight:250,imageFadeDuration:400,captionAnimationDuration:400,counterText:"Image {x} of {y}",closeKeys:[27,88,67],previousKeys:[37,80],nextKeys:[39,78]},N||{});x=new Fx.Tween(I,{property:"opacity",duration:u.overlayFadeDuration});i=new Fx.Morph(a,$extend({duration:u.resizeDuration,link:"chain"},u.resizeTransition?{transition:u.resizeTransition}:{}));d=new Fx.Tween(h,{property:"opacity",duration:u.imageFadeDuration,onComplete:j});C=new Fx.Tween(c,{property:"margin-top",duration:u.captionAnimationDuration});if(typeof P=="string"){P=[[P,O]];O=0}y=F.getScrollTop()+(F.getHeight()/2);M=u.initialWidth;s=u.initialHeight;a.setStyles({top:Math.max(0,y-(s/2)),width:M,height:s,marginLeft:-M/2,display:""});v=n||(I.currentStyle&&(I.currentStyle.position!="fixed"));if(v){I.style.position="absolute"}x.set(0).start(u.overlayOpacity);z();l(1);g=P;u.loop=u.loop&&(g.length>1);return b(O)}}})();

// AUTOLOAD CODE BLOCK (MAY BE CHANGED OR REMOVED)
Slimbox.scanPage = function() {
	$$("a").filter(function(el) {
		return el.rel && el.rel.test(/^lightbox/i);
	}).slimbox({/* Put custom options here */}, null, function(el) {
		return (this == el) || ((this.rel.length > 8) && (this.rel == el.rel));
	});
};
if (!/android|iphone|ipod|series60|symbian|windows ce|blackberry/i.test(navigator.userAgent)) {
	window.addEvent("domready", Slimbox.scanPage);
}