<!--
if (navigator.appVersion.indexOf("2.") != -1){
        check = false;
        }
if ((navigator.appVersion.indexOf("3.") != -1) && (navigator.appName.indexOf("Explorer") != -1)){
        check = false;
        }
else {
        check = true;
        }

image1 = new Image();
image1.src = "../../images2/maps/tidal_streams/lw_map_0.gif";
image1on = new Image();
image1on.src = "../../images2/maps/tidal_streams/lw_map_0.gif";
image1alt = new Image();
image1alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image1alton = new Image();
image1alton.src = "../../images2/maps/tidal/lw.gif";

image2 = new Image();
image2.src = "../../images2/maps/tidal_streams/lw_map_1.gif";
image2on = new Image();
image2on.src = "../../images2/maps/tidal_streams/lw_map_1.gif";
image2alt = new Image();
image2alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image2alton = new Image();
image2alton.src = "../../images2/maps/tidal/lw1.gif";

image3 = new Image();
image3.src = "../../images2/maps/tidal_streams/lw_map_2.gif";
image3on = new Image();
image3on.src = "../../images2/maps/tidal_streams/lw_map_2.gif";
image3alt = new Image();
image3alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image3alton = new Image();
image3alton.src = "../../images2/maps/tidal/lw2.gif";

image4 = new Image();
image4.src = "../../images2/maps/tidal_streams/lw_map_3.gif";
image4on = new Image();
image4on.src = "../../images2/maps/tidal_streams/lw_map_3.gif";
image4alt = new Image();
image4alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image4alton = new Image();
image4alton.src = "../../images2/maps/tidal/lw3.gif";

image5 = new Image();
image5.src = "../../images2/maps/tidal_streams/lw_map_4.gif";
image5on = new Image();
image5on.src = "../../images2/maps/tidal_streams/lw_map_4.gif";
image5alt = new Image();
image5alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image5alton = new Image();
image5alton.src = "../../images2/maps/tidal/lw4.gif";

image6 = new Image();
image6.src = "../../images2/maps/tidal_streams/lw_map_5.gif";
image6on = new Image();
image6on.src = "../../images2/maps/tidal_streams/lw_map_5.gif";
image6alt = new Image();
image6alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image6alton = new Image();
image6alton.src = "../../images2/maps/tidal/lw5.gif";

image7 = new Image();
image7.src = "../../images2/maps/tidal_streams/hw_copy_0-11.gif";
image7on = new Image();
image7on.src = "../../images2/maps/tidal_streams/hw_copy_0-11.gif";
image7alt = new Image();
image7alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image7alton = new Image();
image7alton.src = "../../images2/maps/tidal/hw.gif";

image8 = new Image();
image8.src = "../../images2/maps/tidal_streams/hw_map_1.gif";
image8on = new Image();
image8on.src = "../../images2/maps/tidal_streams/hw_map_1.gif";
image8alt = new Image();
image8alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image8alton = new Image();
image8alton.src = "../../images2/maps/tidal/hw1.gif";

image9 = new Image();
image9.src = "../../images2/maps/tidal_streams/hw_map_2.gif";
image9on = new Image();
image9on.src = "../../images2/maps/tidal_streams/hw_map_2.gif";
image9alt = new Image();
image9alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image9alton = new Image();
image9alton.src = "../../images2/maps/tidal/hw2.gif";

image10 = new Image();
image10.src = "../../images2/maps/tidal_streams/hw_map_3.gif";
image10on = new Image();
image10on.src = "../../images2/maps/tidal_streams/hw_map_3.gif";
image10alt = new Image();
image10alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image10alton = new Image();
image10alton.src = "../../images2/maps/tidal/hw3.gif";

image11 = new Image();
image11.src = "../../images2/maps/tidal_streams/hw_map_4.gif";
image11on = new Image();
image11on.src = "../../images2/maps/tidal_streams/hw_map_4.gif";
image11alt = new Image();
image11alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image11alton = new Image();
image11alton.src = "../../images2/maps/tidal/hw4.gif";

image12 = new Image();
image12.src = "../../images2/maps/tidal_streams/hw_map_5.gif";
image12on = new Image();
image12on.src = "../../images2/maps/tidal_streams/hw_map_5.gif";
image12alt = new Image();
image12alt.src = "../../images2/maps/tidal_streams/swap_image.gif";
image12alton = new Image();
image12alton.src = "../../images2/maps/tidal/hw5.gif";

function imageon(name)   {
        document[name].src = eval(name + "on.src");
        document["altimg"].src = eval(name + "alton.src");
}
function imageoff(name)  {
        document[name].src = eval(name + ".src");
        document["altimg"].src = eval(name + "alt.src");
}

NN3 = true;

function on(name)  {
        if (check == true){
                imageon(name);}
}
function off(name)  {
        if (check == true){
                imageoff(name);}
}
// -->