// Rollovers

var preload = [ "i1_1", "img/mnu1_1r.gif",
                "i1_2", "img/mnu1_2r.gif",
                "i1_3", "img/mnu1_3r.gif",
                "i1_4", "img/mnu1_4r.gif",
                "i1_5", "img/mnu1_5r.gif", 
                "i1_6", "img/mnu1_6r.gif" ];

var preloadFlag = false;
var preloadImgObj = new Array();

function preloadImages() {
    if (document.images) {
        for (var i=0; i<preload.length; ++i)
            if (document.images[preload[i*2]]) {
                preloadImgObj[i] = new Image();
                preloadImgObj[i].src = preload[i*2+1];
                document.images[preload[i*2]].swapImg = preload[i*2+1]
            }
        preloadFlag = true
    }
}

function swapImages() {
    if (preloadFlag) 
    {
        var tempSrc, args = swapImages.arguments;
        for (var i=0; i<args.length; ++i)
            if (document.images[args[i]])
                with (document.images[args[i]]) 
                {
                    tempSrc = src;
                    src = swapImg;
                    swapImg = tempSrc
                }
    }
}

function changeImages() {
    if (preloadFlag) {
        var args = changeImages.arguments;
        for (var i=0; i<args.length; i+=2)
            document[args[i]].src = args[i+1]
    }
}