function show(mylink,mytitle,width,height){
mailwin=window.open(mylink,mytitle,'top=60,left=50,width='+width+',height='+height+',scrollbars=yes')
}

function openwindow(){//打開user_register.jsp新窗口
   window.open("user_register.jsp","reg","width=320 height=384");
}

function sure(){//確認刪除的提示信息
     mystr = "您真的要刪除嗎？";
     return window.confirm(mystr);
}