Flash cs4 IO error help

1

Hi all,
I have created and interactive sequence in flash however i am having a lil problem, when i run the program it gives me an io error, i have included the error message as well as my code below.

Any help would be greatly appreciated, as i do not know why i get that error.

[COLOR=DarkRed]Error #2044: Unhandled IOErrorEvent:. text=Error #2035: URL Not Found.[/COLOR]

this is the code:
[COLOR=Navy]stop();
var myrequest:URLRequest=new URLRequest("");
var myloader:Loader=new Loader();
myloader.load(myrequest);
stage.addChild(myloader);

this.website_btn.addEventListener(MouseEvent.CLICK, clickbutton);
function clickbutton(myevent:MouseEvent) {
var myrequest2:URLRequest=new URLRequest(“http://www.kidzone.ws/WATER/”);
myloader.load(myrequest2);
}

this.cycle_btn.addEventListener(MouseEvent.CLICK, clickbutton2);
function clickbutton2(myevent:MouseEvent) {
var myrequest2:URLRequest=new URLRequest(“cycle.swf”);
myloader.load(myrequest2);
}

this.quiz_btn.addEventListener(MouseEvent.CLICK, clickbutton4);
function clickbutton4(myevent:MouseEvent) {
var myrequest4:URLRequest=new URLRequest(“quiz.swf”);
myloader.load(myrequest4);
}

this.game_btn.addEventListener(MouseEvent.CLICK, clickbutton3);
function clickbutton3(myevent:MouseEvent) {
var myrequest3:URLRequest=new URLRequest(“drag&drop.swf”);
myloader.load(myrequest3);
}

this.video_btn.addEventListener(MouseEvent.CLICK, clickbutton5);
function clickbutton5(myevent:MouseEvent) {
var myrequest5:URLRequest=new URLRequest(“cyclevideo.swf”);
myloader.load(myrequest5);
}[/COLOR]

Thanks in advance