View difference between Paste ID: BAdcNaUQ and xBGNQuR6

 $.fn.odropdown = function(options) {
 
 	var default_settings = {
 		placeholder : 'span',
 		placeholder_text : '',
-		selected_index : 0
+		selected_index : -1
 	};
 
 	var settings = $.extend( {}, default_settings, options );
 	var selector = $(this).selector;
 
 	return this.each(function() {
 		var $this = $(this);
 		var $list = $this.find('ul');
 		var selected_index = settings.selected_index;
 		var $placeholder = $this.find(settings.placeholder);
 
 		if (settings.placeholder_text.length) {
 			$placeholder.text(settings.placeholder_text);
 		}
 
 		if (settings.selected_index >= 0 && $this.find('li').length >= settings.selected_index) {
 			var $li = $this.find('li:eq(' + settings.selected_index + ')');
 			selectElementOfList($li);
 		} else {
 			$this.attr('tabindex', -1);
 		}
 
 		// Prepare Form / input selection
 		var $input = $('input[name="' + $list.attr('data-target') + '"]');
 		var $form = $this.parents('form');
 
 		// Check if the form exist
-			$(this).toggleClass('active');
+
 			if (!$input.length) {
 				$input = $('<input type="hidden" name="' + $list.attr('data-target') + '" value="" />');
 				$input.appendTo($form);
-		$list.find('li').on('click',function(e){
+
-			var $li = $(this);
+
 
 		$this.on('click', function(event){
 			var is_active = $this.hasClass('active');
 
 			// Delete all active class during to stay focus on the last one
 			if ($(selector + '.active').length > 0) {
 				$(selector + '.active').removeClass('active');
 			}
 
 			if (!is_active) {
 				$this.addClass('active');
-				// Turn back off list
+
-				$this.toggleClass('active');
+			event.preventDefault();
 			return false;
 		});
 
 		$list.find('li').on('click',function(e) {
 			selectElementOfList($(this));
 			$this.removeClass('active');
 
 			// Have to be called and return false, else parent click will be triggered
 			e.preventDefault();
 			return false;
 		});
 
 		function selectElementOfList($li) {
 			selected_index = $li.index();
 			$placeholder.text($li.text());
 			$this.attr('tabindex', selected_index);
 
 			if ($input) {
 				$input.attr('value', $li.attr('data-id'));
 
 				// Trigger some events
 				$input.trigger('change');
 				$input.trigger('click');
 			}
 		}
 	});
 };