@media (min-width:320px)  { 
    .fullImage1
    {
        display:none;
    }
     .fullImage2
    {
        display:block;
    }
    /* smartphones, iPhone, portrait 480x320 phones */ }
@media (min-width:481px)  { 
    .fullImage1
    {
        display:none;
    }
      .fullImage2
    {
        display:block;
    }
    /* portrait e-readers (Nook/Kindle), smaller tablets @ 600 or @ 640 wide. */ }
@media (min-width:641px)  { 
    .fullImage1
    {
        display:none;
    }
      .fullImage2
    {
        display:block;
    }
    /* portrait tablets, portrait iPad, landscape e-readers, landscape 800x480 or 854x480 phones */ }
@media (min-width:961px)  { 
       .fullImage1
    {
        display:block;
    }
      .fullImage2
    {
        display:none;
    }
    /* tablet, landscape iPad, lo-res laptops ands desktops */ }
@media (min-width:1025px) { 
    .fullImage1
    {
        display:block;
    }
        .fullImage2
    {
        display:none;
    }
    /* big landscape tablets, laptops, and desktops */ }
    
    
@media (min-width:1281px) { 
      .fullImage1
    {
        display:block;
    }
        .fullImage2
    {
        display:none;
    }
    /* hi-res laptops and desktops */ }