JavaScript and SVG: how do you increase the clickable area for an onClick event?

Question

My script draws lines on the screen at a stroke-width of 3. The size of lines are ideal (visually) but they aren\'t very easy to click.

As a rough example:

Answer 1

A variation on the above answer. For a cool selection effect group each thin line and transparent line combo in a group with the thin line on top. Set the onclick to the group and then animate the transparency of the thick line in your onclick.