//Reveal image
function nowUseeMe(thisOne){
     theImage=thisOne
     reveal=setInterval("incFilter(theImage)",10)//increment time in milliseconds
                                     
}

//Return to original opacity.
//I originally faded the images back into opacity,
//but if you move the mouse over another image, 
//the fading back stops, so it must be done instantaneously
function nowUdont(thisOne){
     clearInterval(reveal)
     thisOne.filters.alpha.opacity=20
}

function incFilter(current){
     if (current.filters.alpha.opacity<100)
     current.filters.alpha.opacity+=10//amount to increment until 100%
else      clearInterval(reveal)
}