Using linear gradient effect accross browsers...

    filter: progid:DXImageTransform.Microsoft.gradient(gradienttype=1, startColorstr='#739AC5', endColorstr='#ffffff'); /* for IE */
    background: -webkit-gradient(linear, left center, right center, from(#739AC5), to(#fff)); /* for webkit browsers */
    background: -moz-linear-gradient(left,  #739AC5,  #fff); /* for firefox 3.6+ */

Note:
Click here for codes and colour table.