incompatibilità getElementiById con IE

[adelefxxxbooob]

in pratica:

function showdisplay(id){
var display = document.all[id].style.display ;
if ( display=="block"){
document.all[id].style.display="none" ;
}
else {
document.all[id].style.display="block" ;
}
}


???

grz 1000