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module ApplicationHelper
def title(text)
content_for :title, text
end
def sortable(col, title = nil)
title ||= col.titleize
css_class = (col == sort_column) ? "current #{sort_direction}" : nil
direction = (col == sort_column and sort_direction == "asc") ? "desc" : "asc"
link_to title, {:sort => col, :dir => direction}, {:class => css_class}
end
end
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