function lang_click(values) {
	var langMenu       = document.getElementById('lang_menu');
	var text_type_id   = document.getElementById("text_type_id");
	text_type_id.value = values;
	langMenu.style.display = langMenu.style.display == "none" || langMenu.style.display == "" ? "block" : "none";
	
}
function lang_clicks(){
	var langMenu       = document.getElementById('lang_menu');
	langMenu.style.display = langMenu.style.display == "none" || langMenu.style.display == "" ? "block" : "none";
}

window.onload = function() {
	document.onclick = function (event) {
		event=(event==null)?window.event:event;
		var langBtn = document.getElementById('lang_selector');
		var langMenu = document.getElementById('lang_menu');
		var eventTarget = event.target ? event.target : event.srcElement; 
		if(eventTarget != langMenu && eventTarget != langBtn) {
			langMenu.style.display='none';
		}
	}
}