.getRowTemplate(i).setStyle("background", "fff;");..not working

plz give me idea wht to do...
.getRowTemplate(i).setStyle("background", "fff;"); this code is working in mozila but not in IE..plz help me..its really urgent...

setStyle is not working in Internet Explorer bt working fine in Mozzila..plz give some code which supports IE...to set the background...setStyle("background", "fff;"); in IE......Urgent..

try setStyle("background", "#fff");