function fadeElement(id,op,t,up){
var e = document.getElementById(id);
e.style.opacity=op/10;
e.style.filter='alpha(opacity='+ op*10 + ')';
//e.innerHTML='Current opacity is ' + e.style.opacity;
if(up) {
op= op+.25;
}
else{
op=op-.25;
}
if((op<100 && up) || (op>=0)){
setTimeout('fadeElement(\''+id+'\','+op+','+up+')',t);
}
else{
clearTimeout();
}
t=t-1;
}