Flex中打开IE窗口及调用javascript

package util
{
import flash.external.ExternalInterface;
import flash.net.URLRequest;
import flash.net.navigateToURL;
   
public class OpenWindow
{
      public function OpenWindow(url:String, window:String="_blank", features:String=""){
                         
                        var WINDOW_OPEN_FUNCTION:String = "window.open";
                        var myURL:URLRequest = new URLRequest(url);                       
                        var browserName:String = getBrowserName();
                       
                        if(getBrowserName() == "Firefox"){
                                ExternalInterface.call(WINDOW_OPEN_FUNCTION, url, window, features);
                        }
                        //If IE,
                        else if(browserName == "IE"){
                                ExternalInterface.call(WINDOW_OPEN_FUNCTION, url, window, features);
                                //ExternalInterface.call("function setWMWindow() {window.open('" + url + "');}");
                        }
                        //If Safari
                        else if(browserName == "Safari"){                         
                                navigateToURL(myURL, window);
                        }
                        //If Opera
                        else if(browserName == "Opera"){       
                                navigateToURL(myURL, window);
                        } else {
                                navigateToURL(myURL, window);
                        }
                       
                        /*Alternate methodology...
                           var popSuccess:Boolean = ExternalInterface.call(WINDOW_OPEN_FUNCTION, url, window, features);
                        if(popSuccess == false){
                                navigateToURL(myURL, window);
                        }*/
                        
                }
                
       
                /*获取浏览器的名称*/
                 private function getBrowserName():String{
                        var browser:String;
                       
                        //Uses external interface to reach out to browser and grab browser useragent info.
                        var browserAgent:String = ExternalInterface.call("function getBrowser(){return navigator.userAgent;}");
               
                         //  Debug.text += "Browser Info: [" + browserAgent + "]";
                       
                        //Determines brand of browser using a find index. If not found indexOf returns (-1).
                        if(browserAgent != null && browserAgent.indexOf("Firefox") >= 0) {
                                browser = "Firefox";
                        }
                        else if(browserAgent != null && browserAgent.indexOf("Safari") >= 0){
                                browser = "Safari";
                        }                        
                        else if(browserAgent != null && browserAgent.indexOf("MSIE") >= 0){
                                browser = "IE";
                        }                
                        else if(browserAgent != null && browserAgent.indexOf("Opera") >= 0){
                                browser = "Opera";
                        }
                        else {
                                browser = "Undefined";
                        }
                        return browser;
                }

              
             /*调用外部js函数*/
             public static function callOuterJsFunction(functionName:String,...parameters):void
             {
                ExternalInterface.call(functionName,parameters);
             }     
          
            
}
}