f8 - this sucks.. button external swf prob

can anyone tell me why my buttons don’t work every time I put a preloader on my external swf? It just reloads the page!!

http://www.ezekieldesign.com/clientpreviews/candlefuse/index.html - click on about us… you’ll see what I’m talking about… the others will work, but there isnt a preloader so it takes a second to load the other pages.