A very simple zoom and pan library for SVG
this is just one simple function, add it to your project and call addSVGZoomAndPan(mysvg) passing a reference to an svg element.
this zoom and pan library uses the svg native currentTranslate and currenScale API for zoomin and panning.
It does not add anything to your SVG and it dos not alter any of your code. It just manipulates to two above mentioned APIs.