var i=0;
  //for main menu
  var imgover=new Array();
  var imgout=new Array();
  //var imgsel=new Array();
  //for product menu
  var pover=new Array();
  var pout=new Array();
  //var psel=new Array();
  //for new products
  var newover=new Array();
  var newout=new Array();  
  //main menu
  for (i=0; i<5; i++) {
    imgover[i] = new Image(75,45);
    imgover[i].src ="image/h" + i + ".gif";
    imgout[i] = new Image(75,45);
    imgout[i].src = "image/n" + i +".gif";
    //imgsel[i] = new Image(160,87);
    //imgsel[i].src = "image/s" + i +".jpg";
  }
  
  function button_aboutus(evt) {
    var elementTarget;
    var eventType;
    
    if (window.event) { //The browser is IE
      elementTarget = window.event.srcElement;
      eventType = window.event.type;
    } else { //The browser is non-IE
      elementTarget = evt.target;
      eventType = evt.type;
    }

    if (eventType == "mouseover") { //The mouse rolled over the image.
      elementTarget.src = imgover[0].src; //"image/s1.png";; //So change the image’s src property.
    }
    if (eventType == "mouseout") { //The mouse moved out.
      elementTarget.src = imgout[0].src; //"image/n1.png";//imgout[0].src”; //So change it back to the original.
    }
  }
  
  function button_products(evt) {
    var elementTarget;
    var eventType;
    
    if (window.event) { //The browser is IE
      elementTarget = window.event.srcElement;
      eventType = window.event.type;
    } else { //The browser is non-IE
      elementTarget = evt.target;
      eventType = evt.type;
    }

    if (eventType == "mouseover") { //The mouse rolled over the image.
      elementTarget.src = imgover[1].src; //"image/s1.png";; //So change the image’s src property.
    }
    if (eventType == "mouseout") { //The mouse moved out.
      elementTarget.src = imgout[1].src; //"image/n1.png";//imgout[0].src”; //So change it back to the original.
    }
  }
  
  function button_services(evt) {
    var elementTarget;
    var eventType;
    
    if (window.event) { //The browser is IE
      elementTarget = window.event.srcElement;
      eventType = window.event.type;
    } else { //The browser is non-IE
      elementTarget = evt.target;
      eventType = evt.type;
    }

    if (eventType == "mouseover") { //The mouse rolled over the image.
      elementTarget.src = imgover[2].src; //"image/s0.png";; //So change the image’s src property.
    }
    if (eventType == "mouseout") { //The mouse moved out.
      elementTarget.src = imgout[2].src; //"image/n0.png";//imgout[0].src”; //So change it back to the original.
    }
  }
  
  function button_download(evt) {
    var elementTarget;
    var eventType;
    
    if (window.event) { //The browser is IE
      elementTarget = window.event.srcElement;
      eventType = window.event.type;
    } else { //The browser is non-IE
      elementTarget = evt.target;
      eventType = evt.type;
    }

    if (eventType == "mouseover") { //The mouse rolled over the image.
      elementTarget.src = imgover[3].src; //"image/s0.png";; //So change the image’s src property.
    }
    if (eventType == "mouseout") { //The mouse moved out.
      elementTarget.src = imgout[3].src; //"image/n0.png";//imgout[0].src”; //So change it back to the original.
    }
  }
  
  function button_enquiry(evt) {
    var elementTarget;
    var eventType;
    
    if (window.event) { //The browser is IE
      elementTarget = window.event.srcElement;
      eventType = window.event.type;
    } else { //The browser is non-IE
      elementTarget = evt.target;
      eventType = evt.type;
    }

    if (eventType == "mouseover") { //The mouse rolled over the image.
      elementTarget.src = imgover[4].src; //"image/s0.png";; //So change the image’s src property.
    }
    if (eventType == "mouseout") { //The mouse moved out.
      elementTarget.src = imgout[4].src; //"image/n0.png";//imgout[0].src”; //So change it back to the original.
    }
  }