AS3 PayPal Donate and Buynow

paypal-gateway.as

//Listeners

btDonate.addEventListener(MouseEvent.CLICK, donate);
btBuynow.addEventListener(MouseEvent.CLICK, buynow);

//Functions
function donate (event:MouseEvent):void{ 
   var url:String = "https://www.paypal.com/cgi-bin/webscr";  
   var request:URLRequest = new URLRequest(url);      
   var paypal_donate:URLVariables = new URLVariables();     
       paypal_donate.cmd="_s-xclick";  
       paypal_donate.hosted_button_id="123456"; 
       
   request.data = paypal_donate;      
   navigateToURL(request);    
   trace(paypal_donate)
} 

function buynow (event:MouseEvent):void{     
   var url:String = "https://www.paypal.com/cgi-bin/webscr";
   var request:URLRequest = new URLRequest(url);      
   var paypal_buynow:URLVariables = new URLVariables();     
       paypal_buynow.cmd="_s-xclick";  
       paypal_buynow.hosted_button_id="4901978";
   
   request.data = paypal_buynow;     
   navigateToURL(request);   
   trace(paypal_buynow)
}