function windowopen(bookdef){
  var win;
   if(screen.width>=1024 && screen.height>=768){
     win=window.open("./dbook/sale.htm",bookdef
     ,"width=1024,height=735,fullscreen=no,scrollbars=no,titlebar=no,toolbar=no,location=no,channelmode=no,directories=no,status=no,menubar=no,resizable=no");
    var w=1024;//800;
    var h=735+35;//565+35;

 // win.resizeTo(400,300);
    win.moveTo(screen.width/2-w/2,screen.height/2-h/2);
  }
  else{
     win=window.open("./dbook/sale.htm",bookdef
     ,"fullscreen=no,scrollbars=yes,titlebar=yes,toolbar=no,location=no,channelmode=no,directories=no,status=yes,menubar=no,resizable=yes");
  }
}

function CreateWinCtrl(){
  document.write("<object id='win_min' classid='clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11'>\n");
  document.write("<param name='Command' value='Minimize'>\n");
  document.write("</object>\n");

  document.write("<object id='win_max' classid='clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11'>\n");
  document.write("<param name='Command' value='Maximize'>\n");
  document.write("</object>\n");
}

//CreateWinCtrl();

function WindowMin(){
  win_min.Click();
}

function WindowMax(){
  win_max.Click();
}