// ÊÓƵµ¯³ö²ã
function pageHeight(){
  if($.browser.msie){
    return document.compatMode == "CSS1Compat" ? document.documentElement.clientHeight : document.body.clientHeight;
  }else{
    return self.innerHeight;
  }
};

function pageWidth(){
  if($.browser.msie){
    return document.compatMode == "CSS1Compat" ? document.documentElement.clientWidth : document.body.clientWidth;
  }else{
    return self.innerWidth;
  }
};

function overall(arg){
  var strbgColor = arg ? arg : "#fff";
  var strScrollTop = document.documentElement.scrollTop;
  var strScrollLeft = document.documentElement.scrollLeft;
  $("select").css("display", "none");
  $("body").append("<div id=DD_overall></div>");
  $("#DD_overall").css({
    opacity: "0"
  }).animate({
    opacity: "0.7"
  },
  300);
  return $("#DD_overall");
};

function clearOver(){
  if($("#DD_overall")){
    $("#DD_overall").fadeOut(300, function (){
      $("select").css("display", "");
      $(this).unbind().remove();
    });
  }
}

function OpenWindow(){
  overall('#000');
  $('#DD_window').show();
}

jQuery(function ($){
  $('#DD_window_close').click(function (){
    clearOver();
    $('#DD_window').hide();
  })
})