function show(src){ 
        theobject=src 
        highlighting=setInterval("highlightit(theobject)",80) 
        } 

function hide(src){ 
        clearInterval(highlighting) 
        src.filters.alpha.opacity=80 
        } 

function highlightit(src){ 
        if (src.filters.alpha.opacity<100) 
                src.filters.alpha.opacity+=10 
        else if (window.highlighting) 
               clearInterval(highlighting) 
        }