jQuery.fn.combobox.onChange = function(){
		if ($("#datenblaetter").val() != "auswahl") {
			window.open($("#datenblaetter").val());
		}
		if ($("#video").val() != "auswahl") {
			window.open($("#video").val());
		}
};

$("#datenblaetter, #video").combobox({
	comboboxContainerClass: "comboboxContainer",
	comboboxValueContainerClass: "comboboxValueContainer",
	comboboxValueContentClass: "comboboxValueContent",
	comboboxDropDownClass: "comboboxDropDownContainer",
	comboboxDropDownButtonClass: "comboboxDropDownButton",
	comboboxDropDownItemClass: "comboboxItem",
	comboboxDropDownItemHoverClass: "comboboxItemHover",
	width:"159px"
});