// --- hide from browser ---

// ---  image mouseovers  -----------

// Detect browser 
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 == 3));
    this.ns3 = (this.ns && (this.major == 3));
    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);
}

var is = new Is();

// Create image objects, preload all active and inactive images.
    if(is.ns3 || is.op3 || is.ie4 || is.ns4) { 
    img1on = new Image();
      img1on.src = "images/ls2-on.gif";
    img2on = new Image();
      img2on.src = "images/ld2-on.gif";
    img3on = new Image();
      img3on.src = "images/is2-on.gif";
    img4on = new Image();
      img4on.src = "images/ts2-on.gif";
    img5on = new Image();
      img5on.src = "images/ss2-on.gif";
    img6on = new Image();
      img6on.src = "images/r2-on.gif";
    img7on = new Image();
      img7on.src = "images/po2-on.gif";
    img8on = new Image();
      img8on.src = "images/or2-on.gif";
    img9on = new Image();
      img9on.src = "images/cu2-on.gif";
    img10on = new Image();
      img10on.src = "images/h2-on.gif";
    img11on = new Image();
      img11on.src = "images/request-button-on.gif";
        
    img1off = new Image();
      img1off.src = "images/ls2-off.gif";
    img2off = new Image();
      img2off.src = "images/ld2-off.gif";
    img3off = new Image();
      img3off.src = "images/is2-off.gif";
    img4off = new Image();
      img4off.src = "images/ts2-off.gif";
    img5off = new Image();
      img5off.src = "images/ss2-off.gif";
    img6off = new Image();
      img6off.src = "images/r2-off.gif";
    img7off = new Image();
      img7off.src = "images/po2-off.gif";
    img8off = new Image();
      img8off.src = "images/or2-off.gif";
    img9off = new Image();
      img9off.src = "images/cu2-off.gif";
    img10off = new Image();
      img10off.src = "images/h2-off.gif";
    img11off = new Image();
      img11off.src = "images/request-button-off.gif";
        }

// Function to "activate" images.
function imgAct(imgName) {
    if(is.ns3 || is.op3 || is.ie4 || is.ns4) {
    document[imgName].src = eval(imgName + "on.src");
    }
}

// Function to "deactivate" images.
function imgInact(imgName) {
    if(is.ns3 || is.op3 || is.ie4 || is.ns4) {
    document[imgName].src = eval(imgName + "off.src");
    }
}

// -->