Move mouse over a thumbnail to view the associated large image - this will change back to the background image when you move mouse away from thumbnail. To change the background image click on the thumbnail. All the javascript file contains less than 30 lines of code and comprises of 5 functions, 4 of which are called by the triggers onload, onmouseover, onmouseout and onclick. The fifth function is a sub routine to get the alt text from images.

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Lake District Sheffield carved tree Playing with light Trees in Grovelands park Swan in lake in Grovelands park Hand prints Wood carving in St Albans park Steam Tractor

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Lake District thumbnail Sheffield carved tree thumbnail Playing with light thumbnail Trees in Grovelands park thumbnail
Swan in lake in Grovelans park thumbnail Hand prints thumbnail Wood carving in St Albans park thumbnail Steam Tractor thumbnail