function mmLoadMenus() {
  if (window.menu1) return;
  window.menu1 = new Menu("root",122,22,"",12,"#3C3C3C","#FFFFFF","#D3E3F5","#3C65BB","left","middle",6,0,500,-5,7,true,false,true,0,true,true);
  menu1.addMenuItem("Introduction","location='intro.php?id=1'");
  menu1.addMenuItem("Structure","location='intro.php?id=2'");
  menu1.addMenuItem("Qualifications","location='intro.php?id=3'");
  menu1.addMenuItem("Achievement","location='intro.php?id=4'");
   menu1.hideOnMouseOut=true;
   menu1.bgColor='#555555';
   menu1.menuBorder=1;
   menu1.menuLiteBgColor='#FFFFFF';
   menu1.menuBorderBgColor='#777777';

  window.menu2 = new Menu("root",215,22,"",12,"#3C3C3C","#FFFFFF","#D3E3F5","#3C65BB","left","middle",6,0,500,-5,7,true,false,true,0,true,true);
  
  menu2.addMenuItem("ultrasonic flowmeter","location='productclass.php?classid=2'");
  menu2.addMenuItem("ultrasonic heat meter","location='productclass.php?classid=1'");
  menu2.addMenuItem("Ultrasonic water meter","location='productclass.php?classid=3'");
  menu2.addMenuItem("ultrasonic thickness gauge","location='productclass.php?classid=6'");
  menu2.addMenuItem("Ultrasonic Flaw Detector","location='productclass.php?classid=7'");
  menu2.addMenuItem("electro-magnetic flow meter","location='productclass.php?classid=8'");
   menu2.hideOnMouseOut=true;
   menu2.bgColor='#555555';
   menu2.menuBorder=1;
   menu2.menuLiteBgColor='#FFFFFF';
   menu2.menuBorderBgColor='#777777';

  window.menu3 = new Menu("root",122,22,"",12,"#3C3C3C","#FFFFFF","#D3E3F5","#3C65BB","left","middle",6,0,500,-5,7,true,false,true,0,true,true);
  menu3.addMenuItem("　Questions","location='questions1.php'");
  menu3.addMenuItem("　Instruction","location='questions2.php'");
  menu3.addMenuItem("　Feedback","location='questions3.php'");
   menu3.hideOnMouseOut=true;
   menu3.bgColor='#555555';
   menu3.menuBorder=1;
   menu3.menuLiteBgColor='#FFFFFF';
   menu3.menuBorderBgColor='#777777';

  window.menu4 = new Menu("root",131,22,"",12,"#3C3C3C","#FFFFFF","#D3E3F5","#3C65BB","left","middle",6,0,500,-5,7,true,false,true,0,true,true);
  menu4.addMenuItem("　Beijing","location='map2.php'");
  menu4.addMenuItem("　Dalian","location='map1.php'");
  menu4.addMenuItem("　Partner","location='map3.php'");
   menu4.hideOnMouseOut=true;
   menu4.bgColor='#555555';
   menu4.menuBorder=1;
   menu4.menuLiteBgColor='#FFFFFF';
   menu4.menuBorderBgColor='#777777';

menu4.writeMenus();
}