function makevisible(cur,which){
if(document.getElementById){
if (which==0){
if(document.all)
cur.filters.alpha.opacity=100
else
cur.style.setProperty("-moz-opacity", 1, "");}
else{if(document.all)
cur.filters.alpha.opacity=40
else
cur.style.setProperty("-moz-opacity", .4, "");}	}}