It starts with:
Main_New7.html:17Uncaught ReferenceError: Asset is not defined
Main_New7.html:56Uncaught ReferenceError: MM_preloadImages is not defined
GET http://www.kaimeramedia.com/derek/Website/highslide/graphics/outlines/drop-shadow.png 404 (Not Found)
GET http://www.kaimeramedia.com/derek/Website/highslide/graphics/zoomout.cur 404 (Not Found)
GET http://www.kaimeramedia.com/derek/Website/highslide/graphics/outlines/rounded-white.png 404 (Not Found)
What happens if you use the full path to the image in the longdesc instead of "img/allhallowseve.jpg"