i = 0;
fade_time=500;
time_display =9000;
play_img=true;
	
function animation(){
	if(play_img){
		$("#slider").fadeOut(fade_time, function () {
			//Animace kompletni nacte se novy obrazek
			//$("#"+i).attr("src", "images/btn_a.png");
			if(i>=(obrazky.length-1)){ i=-1;}
			i++;
			$("#slider").attr("src", obrazky[i][0]);
			$("#slider_url").attr("href", obrazky[i][1]);
			//$("#"+i).attr("src", "images/btn_b.png");
			$("#slider").fadeIn(fade_time, function () {
				
				
				window.setTimeout('animation()',time_display);
			})
 		});			
	}
}
	
	

var ie = document.all;
var ns = document.getElementById && !ie;

document.getElementById('tree').onclick=function(e)
{
    var e = ns ? e : event;
    var obj = ns ? e.target : event.srcElement;

    if (obj.tagName == "P" && obj.nextSibling.tagName == "DIV") {
        var div = obj.nextSibling;
        if (div.style.display != "block") {
            div.style.display = "block";
            obj.setAttribute("class", "close");
            obj.setAttribute("className", "close");
        }
        else {
            div.style.display = "none";
            obj.setAttribute("class", "open");
            obj.setAttribute("className", "open");
        }
    }
}

function rozbal(s) { 
  var discussion = document.getElementById('discussion').style; 
  var other = document.getElementById('other').style; 
	if(s=='discussions'){
		document.getElementById('discussion_btn').className='active';
		document.getElementById('other_btn').className='inactive';
		discussion.display = 'block';
		other.display = 'none';
	}
	if(s=='other'){
		document.getElementById('other_btn').className='active';
		document.getElementById('discussion_btn').className='inactive';
		other.display = 'block';
		discussion.display = 'none';
	}
}
function rozbal2(obj,obj2) { 
  //var value = document.getElementById('obj'); 
	if(obj.value==1){
		document.getElementById(obj2).style.display = 'table';
		document.getElementById(obj2).style.width = '100%';
		obj.value='';
	}else{
		document.getElementById(obj2).style.display = 'none';
		obj.value='1';
	}
}  

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}