Script error in IE

<script language="JavaScript" type="text/javascript"><!-- // --><![CDATA[
var smf_avatarMaxWidth = 100;
var smf_avatarMaxHeight = 100;
window.addEventListener("load", smf_avatarResize, false);     //craps out in IE
// ]]></script>

<script language="JavaScript" type="text/javascript"><!-- // --><![CDATA[
var smf_avatarMaxWidth = 100;
var smf_avatarMaxHeight = 100;
if (window.addEventListener){           
    window.addEventListener("load", smf_avatarResize, false);
} else {
    window.attachEvent("onload", smf_avatarResize);
} 
// ]]></script>