function high(which2){ 
theobject=which2 
highlighting=setInterval("highlightit(theobject)",50) 
} 

function low(which2){ 
theobject=which2 
lowlighting=setInterval("lowlightit(theobject)",50) 
} 

function lowlightit(cur2){ 
if (cur2.filters.alpha.opacity>40) 
cur2.filters.alpha.opacity-=5 
else if (window.lowlighting) 
clearInterval(lowlighting) 
} 

function highlightit(cur2){ 
if (cur2.filters.alpha.opacity<100) 
cur2.filters.alpha.opacity+=5 
else if (window.highlighting) 
clearInterval(highlighting) 
}