[jQuery] Jquery color animation problem

[jQuery] Jquery color animation problem

I am trying to do it:
$
this
.animate
{opacity:1},700
;
it looks fine in firefox, but the texts getting very odd look in ie 6 and ie 7. Is there any way to fix it?
Also, i trie to change color like <br clear="all">
$
this
.animate
{color:"#FFFFFF"},700
;
and its not working. Please help...
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