学步园

function windowClose(msg){
     if(navigator.appName == "Microsoft Internet Explorer") {
            if(navigator.appVersion.match(/7./i)=='7.') {
                //alert( '当前浏览器是IE 7' )
                if(confirm(msg)){
                 window.open('','_top');
      window.top.close();
     }
            } else if(navigator.appVersion.match(/6./i)=='6.') {
     //alert( '当前浏览器是IE 6' )
     if(confirm(msg)){
      window.opener=null;
      window.close();
     }
    }
          }
    }