// JScript File
var imagesPreloaded = false;

function newImage(arg) {
    if (document.images) {
        var img = new Image();
        img.src = arg;
        return img;
    }
}

function preloadImages() {
    if (document.images) {
        var imgLinkNurseImageHover = newImage('images/link_nurse_image_hover.jpg');
        var imgLinkAlliedImageHover = newImage('images/link_allied_image_hover.jpg');
        var imgLinkTravelImageHover = newImage('images/link_travel_image_hover.jpg');
        var imgLinkPhysicianImageHover = newImage('images/link_physician_image_hover.jpg');
        var imgLinkLocumImageHover = newImage('images/link_locum_image_hover.jpg');
        imagesPreloaded = true;
    }
}

function swapImage() {
    if (document.images && (imagesPreloaded == true)) {
        for (var i=0; i < swapImage.arguments.length; i+=2) {
            swapImage.arguments[i].src = swapImage.arguments[i+1];
        }
    }
}