var b = 1;
var c = true;
function fade(){
if(document.all);
if(c == true) {
b++;
}
if(b==0) {
b--;
c = false
}
if(b==100) {
b++;
c = true;
}
if(c == false) {
b--;
}
child.filters.alpha.opacity=0 + b;
setTimeout("fade()",20);
}