感谢天行同学的JS方法

于是，本人将JS绑入到了AS中，具体方式请看代码：

欢迎各位同学加入猥琐流~~~~~~~~~~~

static public function open2Blank(url:String=null):void {  
            try {  
                ExternalInterface.call("function open2Blank(C){"      
                                        +"var isT = !document.getElementById('itemClickForm');" 
                                        +"if(isT){" 
                                        +"var B=document.createElement('form');" 
                                        +"B.id='itemClickForm';" 
                                        +"B.target='_blank';" 
                                        +"B.method='post';" 
                                        +"B.style.display='none';" 
                                        +"var A=document.createElement('input');" 
                                        +"A.type='submit';" 
                                        +"B.appendChild(A);" 
                                        +"A.id='itemClickButton';" 
                                        +"document.body.appendChild(B);"                                      
                                        +"}else{" 
                                        +"var B=document.getElementById('itemClickForm');" 
                                        +"var A=document.getElementById('itemClickButton');" 
                                        +"}" 
                                        +"B.action=C;" 
                                        +"A.click();"                                         
                                        +"}",url  
                                      );          
            } catch (e:Error) {  
                  
            }  
        }