opener=null;
window.open ("http://baidu.com", "newwindow", "height=500, width=800, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=yes,left=250,top=250")
opener=null;
window.open ("http://baidu.com", "newwindow", "height=500, width=800, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=yes,left=250,top=250")