<!--
if (document.images) {            // Active Images
    choosebar_lowres_off = new Image();      
    choosebar_lowres_off.src = "http://movies.apple.com/trailers/columbia/swat/teaser/images/choosebar_lowres_off.gif"; 
    choosebar_medres_off = new Image();      
    choosebar_medres_off.src = "http://movies.apple.com/trailers/columbia/swat/teaser/images/choosebar_medres_off.gif"; 
    choosebar_highres_off = new Image();      
    choosebar_highres_off.src = "http://movies.apple.com/trailers/columbia/swat/teaser/images/choosebar_highres_off.gif"; 

    choosebar_lowres_on = new Image();      
    choosebar_lowres_on.src = "http://movies.apple.com/trailers/columbia/swat/teaser/images/choosebar_lowres_on.gif"; 
    choosebar_medres_on = new Image();      
    choosebar_medres_on.src = "http://movies.apple.com/trailers/columbia/swat/teaser/images/choosebar_medres_on.gif"; 
    choosebar_highres_on = new Image();      
    choosebar_highres_on.src = "http://movies.apple.com/trailers/columbia/swat/teaser/images/choosebar_highres_on.gif"; 
}

// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_on.src");
    }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_off.src");
        }
}

//-->