<%= swf_tag "open-flash-chart.swf", :flashvars => { 'width' => width, 'height' => height, 'data' => data}, :parameters => { 'allowScriptAccess' => 'sameDomain', 'wmode' => 'transparent'}, :div_id => "chart_#{@swf_count+=1}", :size => "#{width}x#{height}" %>