code: function determineLayers(json, version) {
  	var layers = [];
  
  	if (version == '1.3.0') {
  		if (json.WMS_Capabilities.Capability) {
  			if (json.WMS_Capabilities.Capability[0]) {
  				if (json.WMS_Capabilities.Capability[0].Layer) {
  					layers = buildLayers(json.WMS_Capabilities.Capability[0].Layer);
  				}
  			}
  		}
  	} else {
  		if (version == '1.1.1' || version == '1.1.0' || version == '1.0.0') {
  			if (json.WMT_MS_Capabilities.Capability) {
  				if (json.WMT_MS_Capabilities.Capability[0]) {
  					if (json.WMT_MS_Capabilities.Capability[0].Layer) {
  						layers = buildLayers(json.WMT_MS_Capabilities.Capability[0].Layer);
  					}
  				}
  			}
  		}
  	}
  	return layers;
  }
docs: It determines the layer JSON from original XML GetCapabilities document.
  
  @param json
  {object} GetCapabilities document as JSON.
  @param version
  {string} Version of GetCapabilities document.
  @returns {object} JSON object with layers from original XML GetCapabilities.