[jQuery] problem with toggle function

so I am very new to jQuery, so I apologize if this is a dumb question, but I've coded up an element like this: 5 comments I know that's hard to read, I have to put the jQuery in the markup, because the numbers in the ids are generated by PHP in a loop. Anyway, the toggle function works (by add

[jQuery] Problem with toggle

I am facing an issue with the toogle API. I have a tr with dynamic Id's as Id1, Id2 etc. Within that tr I have many td's in which one td has an image which needs to be toggled to plus image and minus image. That is when I click on the image, it should toggle between plus and minus images. Also