var loadedImages  = new Array();
var swappedImages = new Array();

function LoadImages ()
{
    var i, j, k;
    if (document.images) {
        k = loadedImages.length;
        for (i in LoadImages.arguments) {
            for (j in LoadImages.arguments[i]) {
                loadedImages[k] = new Image;
                loadedImages[k].src = j;
                k++;
            }
        }
    }
}

function SwapImage (imgName, imgSrc)
{
    var x, i;
    if ((x = document.images[imgName]) != null) {
        i = swappedImages.length;
        swappedImages[i] = new Image;
        swappedImages[i].name = x.name;
        swappedImages[i].src = x.src;
        x.src = imgSrc;
    }
}

function SwapImgRestore ()
{
    var i, x;
    if (document.images) {
        while (i = swappedImages.shift()) {
            x = document.images[i.name];
            x.src = i.src;
        }
    }
}

// pop-up window
function openWin(aFile, aWidth, aHeight, scrollBar)
{
    aWin = window.open(aFile, 'popWin', 'personalbar=no,toolbar=no,status=yes,scrollbars='+scrollBar+',location=no,resizable=yes,menubar=no,width='+ aWidth +',height='+ aHeight);
    aWin.focus();
}

// pop-up window
function openWin2(aFile, winParam)
{
    aWin = window.open(aFile, 'popWin', winParam);
    aWin.focus();
}