Applied patch from jira issue - OFBIZ-5480 - Product Costs page missing lookup controls in creation section.
Thanks Christian Carlow for reporting the issue and thanks to ofbiz.us team for providing patch for the issue. 
 

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1618406 13f79535-47bb-0310-9956-ffa450edef68