is_open = false;
function inlogmenu(img){
	if(is_open==false){
		document.getElementById("inloggen_menu").style.display = "block";
		img.src = "/img/cd/inloggen_tab_actief.png";
		is_open = true;
		document.getElementById('login_username').focus();
	}
	else{
		document.getElementById("inloggen_menu").style.display = "none";
		is_open = false;
		img.src = "/img/cd/inloggen_tab.png";
		document.getElementById('login_username').blur();
	}
	
}