[mrtg] Indexmaker/Image ALT

[Tendolkar Mohit]

Hi,

I'm using indexmaker to generate an index page for the MRTG graphs. 

I observe that the ALT text for the images generated is something like
"<targetname> Traffic Graph". Thus, for some reason, if the image is
unavailable, the text shown on the HTML page is <targetname> Traffic
Graph (or when you hover the mouse over the PNG image, the tooltip [on
Windows] show this name).

Since not all graphs are "Traffic Graphs" (for instance CPU usage,
buffer usage etc), is there a way for me to change this behavior without
actually changing the Perl indexmaker script? 

I wasn't able to find any related indexmaker documentation. If any of
you have handled this, do let me know.

Thanks
Mohit

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