function toggleDropDownMenu(id){
	if (document.getElementById(id).style.display == "block") {
		document.getElementById(id).style.display = "none";
		document.getElementById(id + "_parent").className = "oranje"
	} else {
		document.getElementById(id).style.display = "block";
		document.getElementById(id + "_parent").className = "oranje_act"
	}
}