Почему бы просто не использовать CSS для вашего свечения?
#radial-center {
/* fallback */
background-color: #2F2727;
background-position: center center;
background-repeat: no-repeat;
/* Safari 4-5, Chrome 1-9 */
/* Can't specify a percentage size? Laaaaaame. */
background: -webkit-gradient(radial, center center, 0, center center, 460, from(#1a82f7), to(#2F2727));
/* Safari 5.1+, Chrome 10+ */
background: -webkit-radial-gradient(circle, #1a82f7, #2F2727);
/* Firefox 3.6+ */
background: -moz-radial-gradient(circle, #1a82f7, #2F2727);
/* IE 10 */
background: -ms-radial-gradient(circle, #1a82f7, #2F2727);
/* IE < 8 Linear gradient fallback */
filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#1a82f7, endColorstr=#2F2727, GradientType=1)";
/* IE 8/9 Linear gradient fallback */
-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#1a82f7, endColorstr=#2F2727, GradientType=1)";
/* Opera cannot do radial gradients yet */
}
Демо: http://jsfiddle.net/AlienWebguy/49d5g/