function handleFilterCatoryChange(obj, selectedFilter) {
	document.getElementById("filter").disabled = obj.selectedIndex == 0;
	for (var i = document.getElementById("filter").options.length; i >= 0; i--) {
		document.getElementById("filter").options[i] = null;
	}
	if (filters[obj.value]) {
		if (filters[obj.value].length > 0) {
			document.getElementById("filter").options[0] = new Option("-- изберете --", null);
			for (var i = 0; i < filters[obj.value].length; i++) {
				document.getElementById("filter").options[i + 1] = new Option(filters[obj.value][i].caption, filters[obj.value][i].id);
				if (selectedFilter && selectedFilter == filters[obj.value][i].id) {
					document.getElementById("filter").selectedIndex = i + 1;
				}
			}
		} else {
			document.getElementById("filter").options[0] = new Option("-- няма филтри --", null);
			document.getElementById("filter").disabled = true;
		}
	} else {
		document.getElementById("filter").options[0] = new Option("-- изберете --", null);
		document.getElementById("filter").disabled = true;
	}
}
function advHandleFilterCatoryChange(obj, selectedFilter) {
	document.getElementById("adv_filter").disabled = obj.selectedIndex == 0;
	for (var i = document.getElementById("adv_filter").options.length; i >= 0; i--) {
		document.getElementById("adv_filter").options[i] = null;
	}
	if (filters[obj.value]) {
		if (filters[obj.value].length > 0) {
			for (var i = 0; i < filters[obj.value].length; i++) {
				document.getElementById("adv_filter").options[i] = new Option(filters[obj.value][i].caption, filters[obj.value][i].id);
				if (selectedFilter && selectedFilter == filters[obj.value][i].id) {
					document.getElementById("adv_filter").selectedIndex = i;
				}
			}
		} else {
			document.getElementById("adv_filter").options[0] = new Option("-- няма филтри --", null);
			document.getElementById("adv_filter").disabled = true;
		}
	} else {
		document.getElementById("adv_filter").options[0] = new Option("-- изберете --", null);
		document.getElementById("adv_filter").disabled = true;
	}
}
function advHandleFilterCatoryChangeTwo(obj, selectedFilter) {
	document.getElementById("adv_filter_two").disabled = obj.selectedIndex == 0;
	for (var i = document.getElementById("adv_filter_two").options.length; i >= 0; i--) {
		document.getElementById("adv_filter_two").options[i] = null;
	}
	if (filters[obj.value]) {
		if (filters[obj.value].length > 0) {
			for (var i = 0; i < filters[obj.value].length; i++) {
				document.getElementById("adv_filter_two").options[i] = new Option(filters[obj.value][i].caption, filters[obj.value][i].id);
				if (selectedFilter && selectedFilter == filters[obj.value][i].id) {
					document.getElementById("adv_filter_two").selectedIndex = i;
				}
			}
		} else {
			document.getElementById("adv_filter_two").options[0] = new Option("-- няма филтри --", null);
			document.getElementById("adv_filter_two").disabled = true;
		}
	} else {
		document.getElementById("adv_filter_two").options[0] = new Option("-- изберете --", null);
		document.getElementById("adv_filter_two").disabled = true;
	}
}