This is a text description of perf_detail_line_nodim.gif, which shows a line graph in the Performance Detail page with the controls set as follows:

The vertical axis presents values in increments of 50, from 300 to 500. The horizontal axis presents dates from March 13 to March 16, 2005. From left to right, the line graph shows values of 470, 475, 485, and 315.