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