function setCookie(c_name,value,expiredays) {
    var exdate=new Date();
    exdate.setDate(exdate.getDate()+expiredays);
    document.cookie=c_name+ "=" +escape(value)+
    ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name) {
if (document.cookie.length>0) {
 c_start=document.cookie.indexOf(c_name + "=");
 if (c_start!=-1) {
   c_start=c_start + c_name.length+1;
   c_end=document.cookie.indexOf(";",c_start);
   if (c_end==-1) c_end=document.cookie.length;
   return unescape(document.cookie.substring(c_start,c_end));
   }
 }
return "";
}

var timesClicked = getCookie("timesClicked");


function removeBlock() {
	if(timesClicked < 128) {
		 timesClicked++;
	     $(".clickedTimes").html(timesClicked);
	     var onePercent = 128/100;
	     var percents = timesClicked/onePercent;
	     $(".percentUncovered").html(Math.round(percents)+"%");
	     setCookie("timesClicked", timesClicked, 30)
	     $("#filler_"+timesClicked).css("visibility","hidden"); 
	     return false;
	}
}



$(document).ready(function(){
	//defaultně otevřít novinky 
	$(".newsContent").show();
	$(".openNews").toggle();
	
	//odebrani jedny kosticky po kliku
	$("#picture").click(function(){
		removeBlock();
	})
	
	//odebrani kosticky kazdejch 15 sekund (15000 ms)
	setInterval(removeBlock, 15000);

	
});