function MM_findObj(n, d) { //v4.01
    var p, i, x;  
    
    // if document to search is not specified, use default document object
    if(!d) d = document; 
    
    // if search id (n) contains a '?', then assume whatever comes after ? is a frame name
    if((p = n.indexOf("?")) > 0 && parent.frames.length) 
    {
        d = parent.frames[n.substring(p + 1)].document;
        n = n.substring(0, p);
    }
  
    // see if document has an 'all' property, if so, use that to retrieve the object
    if(!(x = d[n]) && d.all) x = d.all[n]; 
    
    // search all forms in the document for the object
    for (i = 0; !x && i < d.forms.length; i++) 
        x = d.forms[i][n];
    
    // search all document layers for the object
    for(i = 0; !x && d.layers && i < d.layers.length; i++) 
        x = MM_findObj(n, d.layers[i].document);
  
    // if all else fails, fall back on using getElementById
    if(!x && d.getElementById) x = d.getElementById(n); 
    
    return x;
}

function MM_preloadImages() { //v3.0
    // get default document object
    var d = document; 
    
    // does it support images?
    if(d.images) { 
        // if doesn't exist, create an array called MM_p as a property of the document object
        if(!d.MM_p) d.MM_p = new Array();
        
        // get the size of the array
        var j = d.MM_p.length;
        
        // get back a list of the arguments supplied to this function, and run through them all
        var a = MM_preloadImages.arguments; 
        for(var i = 0; i < a.length; i++)
            if(a[i].indexOf("#")!=0)
            { 
                // if the image doesn't start with a #, add it to our MM_p array
                d.MM_p[j] = new Image;
                d.MM_p[j++].src = a[i];
            }
    }
}

function MM_swapImgRestore() { //v3.0
    var x;
    
    // run through our array of references to swapped images
    var a = document.MM_sr; 
    for(var i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) 
        x.src = x.oSrc; // replace with original image source
}


function MM_swapImage() { //v3.0
    var x, j = 0;
    
    // create an array to store references to swapped images
    document.MM_sr = new Array; 
    
    // retrieve arguments supplied to the function and process them
    var a = MM_swapImage.arguments;     
    for(var i = 0;i < (a.length-2); i+=3)
    {
        // look for the image with ID specified in argument with index 0 (of this set of arguments)
        if((x = MM_findObj(a[i])) != null)
        {
            // found image, store a reference to it in our array
            document.MM_sr[j++] = x; 
            
            // create a property 'oSrc' on the image and let it remember original image location
            if(!x.oSrc) x.oSrc = x.src; 
            
            // swap with image specified in 3rd argument
            x.src=a[i+2];
        }
    }
}

function MM_swapImgPNGRestore()
{
    var x;
    
    // run through our array of references to swapped images
    var a = document.MM_srPNG; 
    for(var i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) 
        x.filters(0).src = x.oSrc; // replace with original image source
}

function MM_swapImagePNG()
{
    var x, j = 0;
    
    // create an array to store references to swapped images
    document.MM_srPNG = new Array; 
    
    // retrieve arguments supplied to the function and process them
    var a = MM_swapImagePNG.arguments;     
    for(var i = 0;i < (a.length-2); i+=3)
    {
        // look for the image with ID specified in argument with index 0 (of this set of arguments)
        if((x = MM_findObj(a[i])) != null && x.filters.length > 0)
        {
            // found span, store a reference to it in our array
            document.MM_srPNG[j++] = x; 
            
            // create a property 'oSrc' on the span and let it remember original image location
            if(!x.oSrc) x.oSrc = x.filters(0).src; 
            
            // swap with image specified in 3rd argument
            x.filters(0).src = a[i+2];
        }
    }
}