Normal_Image_01 = new Image();
Normal_Image_01.src = "/Graphics/JPEG_Graphics/Graphic_04.jpg";
MouseOver_Image_01 = new Image();
MouseOver_Image_01.src = "/Graphics/JPEG_Graphics/Graphic_46.jpg"; 

Normal_Image_02 = new Image();
Normal_Image_02.src = "/Graphics/JPEG_Graphics/Graphic_05.jpg"; 
MouseOver_Image_02 = new Image();
MouseOver_Image_02.src = "/Graphics/JPEG_Graphics/Graphic_47.jpg"; 

function swap()
{
    if ( document.images )    
    {
        for ( var x = 0; x < swap.arguments.length; x += 2 ) 
        {
            document[ swap.arguments[ x ] ].src = eval( swap.arguments[ x + 1 ] + ".src" );
        }
    }
}