use the current url where js is present

url.js

    	var jsonUrl;
    	var sc = document.getElementsByTagName("script");
    	for(idx = 0; idx < sc.length; idx++)
    	{
    	  s = sc.item(idx);

    	  if(s.src && s.src.match(/render\.js$/))
    	  { 
    		var currentLoc = 'http://127.0.0.1:60373/sap/bi/bundles/vbi/viz/ext/solidgauge/vbi_viz_ext_solidgauge-src/js/render.js'
    			jsonUrl= currentLoc.replace('render.js','utils/data/us.json');
    		return jsonUrl;
    	   }
    	}