ActionScript Syntax Error 1084 - Expecting Rightbrace Before Leftbrace And Var 'colour' Will Be Scoped To Default Namespace?

1084 syntax error; expecting rightbrace before leftbrace as well as var 'colour' will be scoped to default namespace. Im' not sure what is going on but it is interfering with my ability to debug. it is action script

1084 error

package {
import flash.display;
import flash.display.Loader;
import flash.display.Sprite;
import flash.events.Event;
import flash.net.*;:

public class assgn extends Sprite
{
public function assgn()
{
var request = new URLRequest("C:UsersFujitsu UserDesktopprojects folder09_10");
var loader = new Loader();
loader.load(request);

[Code].....