malaware warnings.

Hi, im getting malaware warnings when people are going to my site http://www.ezriders.ca. Im told its mostly people using google chrome.It is supposebly a counter (http://ezriders.ca/wp-includes/js/l10n.js?ver=20101110) someione says this is the guilty party, i cant find it to delete..Any help on where to look would be great!!!! Yes im new at this..Thanks.