function Is() {
    var agent = navigator.userAgent.toLowerCase();
    this.major = parseInt(navigator.appVersion);
    this.minor = parseFloat(navigator.appVersion);
    this.ns  = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)));
    this.ns2 = (this.ns && (this.major == 2));
    this.ns3 = (this.ns && (this.major == 3));
    this.ns4b = (this.ns && (this.minor < 4.04));
    this.ns4 = (this.ns && (this.major >= 4));
    this.ie   = (agent.indexOf("msie") != -1);
    this.ie3  = (this.ie && (this.major == 2));
    this.ie4  = (this.ie && (this.major >= 4));
    this.op3 = (agent.indexOf("opera") != -1);
    this.win   = (agent.indexOf("win")!=-1);
    this.mac   = (agent.indexOf("mac")!=-1);
    this.unix  = (agent.indexOf("x11")!=-1);
}

var is = new Is();

if(is.ns4) {
    doc = "document";
    sty = "";
    htm = ".document"
    xpos = "e.pageX";
    ypos = "e.pageY";
} else if(is.ie4) {
    doc = "document.all";
    sty = ".style";
    htm = ""
    xpos = "event.x";
    ypos = "event.y";
}

bOver = (is.ns4) || (is.ns3) || (is.ie4);

function preload(img) 
{
  var a=new Image(); a.src=img; return a; 
}

if (bOver) {
  imgNext1 = preload('menu1_en.jpg'); 
  imgGNext1 = preload('emenu1_en.jpg');
  imgNext2 = preload('menu2_en.jpg'); 
  imgGNext2 = preload('emenu2_en.jpg');
  imgNext3 = preload('menu3_en.jpg'); 
  imgGNext3 = preload('emenu3_en.jpg');

  imgNext4 = preload('menu4_en.jpg'); 
  imgGNext4 = preload('emenu4_en.jpg');
  imgNext5 = preload('menu5_en.jpg'); 
  imgGNext5 = preload('emenu5_en.jpg');
  imgNext6 = preload('menu6_en.jpg'); 
  imgGNext6 = preload('emenu6_en.jpg');


  imgNext7 = preload('menu7_en.jpg'); 
  imgGNext7 = preload('emenu7_en.jpg');
  imgNext8 = preload('menu8_en.jpg'); 
  imgGNext8 = preload('emenu8_en.jpg');
  imgNext9 = preload('menu9_en.jpg'); 
  imgGNext9 = preload('emenu9_en.jpg');

  imgNext10 = preload('menu10_en.jpg'); 
  imgGNext10 = preload('emenu10_en.jpg');
}