try{var row = e.relatedTarget&&this.findRowTarget(e.relatedTarget);
return!row &&(e.rowIndex==-1)|| row &&(e.rowIndex==row.gridRowIndex);
}catch(x){// e.relatedTarget on INPUT has permission problem in FF: https://bugzilla.mozilla.org/show_bug.cgi?id=208427returnfalse;
}