// JavaScript Document

function mission_controller() {
	var root_div = "text";
	var mission_obj = new mission_widget(root_div);
	mission_obj.show_mission();
	
	update_mission_navigation('mission');
}

function project_controller() {
	var root_div = "text";
	var mission_obj = new mission_widget(root_div);
	mission_obj.show_project();
	
	update_mission_navigation('project');
}

function program_controller() {
	var root_div = "text";
	var mission_obj = new mission_widget(root_div);
	mission_obj.show_program();
	
	update_mission_navigation('program');
}


function bio_controller() {
	var root_div = "text";
	var mission_obj = new mission_widget(root_div);
	mission_obj.show_bio();
	
	update_mission_navigation('bio');
}

function update_mission_navigation (button) {
	
	switch (button) {		
		case "mission":
			$('intro_link').className = "active";
			$('project_link').className = "button";
			$('program_link').className = "button";
			$('bio_link').className = "button";
			break;
		case "project":
			$('intro_link').className = "button";
			$('project_link').className = "active";
			$('program_link').className = "button";
			$('bio_link').className = "button";
			break;
		case "program":
			$('intro_link').className = "button";
			$('project_link').className = "button";
			$('program_link').className = "active";
			$('bio_link').className = "button";
			break;
		case "bio":
			$('intro_link').className = "button";
			$('project_link').className = "button";
			$('program_link').className = "button";
			$('bio_link').className = "active";
			break;
		default:
			alert('default');
	}
}