$(document).ready(function(){
	var t; //timeout handler
	var delay = 750; //timeout in miliseconds
	$(".plus-ikona").mouseover(function(){
		var object_id = this.id;
		var id_part = object_id.split("-");
		if(id_part[0] == "plus" && id_part[1] == "ikona" && !isNaN(id_part[2]))
			t = setTimeout('ukazPlusNahled('+id_part[2]+')',delay);
	});

	$(".plus-ikona").mouseout(function(){
		clearTimeout(t);
		var object_id = this.id;
		var id_part = object_id.split("-");
		if(id_part[0] == "plus" && id_part[1] == "ikona" && !isNaN(id_part[2]))
			skryjPlusNahled(id_part[2]);
	});
});

function ukazPlusNahled(id) {
    var nahled = "#plus-nahled-" + id;
    var ikona = '#plus-ikona-' + id;
    if ($(nahled).length > 0 && $(ikona).length > 0)
	{
		//$(nahled).css("display", "block");
		$(nahled).fadeIn("fast");
		var position_ikona = $(ikona).offset();
		var width_nahled = $(nahled).width();
		var height_nahled = $(nahled).height();
		var top = position_ikona.top - height_nahled - 5;
		var left = position_ikona.left - width_nahled;

    var halfheight = height_nahled/2;
    var leftpos = position_ikona.left + 25;
		if (left<0) left = 0;
		//$(nahled).css("position", "fixed");
		$(nahled).css("position", "absolute");
		//$(nahled).css("top", "50%");
		$(nahled).css("top", "0px");
		//$(nahled).css("left", leftpos + "px");
		$(nahled).css("left", "220px");
		//$(nahled).css("margin-top", "-" + halfheight +"px");
    }
}

function skryjPlusNahled(id) {
    var nahled = $("#plus-nahled-" + id);
    if (nahled) {
	//$(nahled).css("display", "none");
	$(nahled).fadeOut("fast");
    }
}