var Expand_Speakers = {
	
	expanders: jQuery("p.expand-link"),
	containers: jQuery("div.presentation-speaker"),

	initialize: function() {
	
		var self = Expand_Speakers;
		
		if (!self.containers.length) {
			return false;
		}
		
		self.expanders.show();
		self.containers.hide();
		
		self.expanders.toggle(self.expand, self.collapse);
	
	},
	
	expand: function() {
		
		var expander = jQuery(this);
		var container = expander.next();
		container.show();
		
	},
	
	collapse: function() {
		
		var expander = jQuery(this);
		var container = expander.next();
		container.hide();
		
	}

}

Expand_Speakers.initialize();