added zoom second plot

WebSites/pos/dashboard.json

@@ -113,7 +113,7 @@
 						"value": "var data = [];\n\nfor (const pvname in datasources.ts) {\n    const datavalues = datasources[\"ts\"][pvname].map(values => {\n        values[0] += 3600000;\n        return values;\n    });\n    data.push({data: datavalues});\n}\n\nreturn data;",
 						"yticks": "var maxtemp = 0;\n\nfor (const pvname in datasources.ts) {\n    const pvmax = Math.max(...datasources[\"ts\"][pvname].map(values => values[1]));\n    maxtemp = Math.max(maxtemp, pvmax);\n}\n\nvar mintemp = 400;\n\nfor (const pvname in datasources.ts) {\n    const pvmin = Math.min(...datasources[\"ts\"][pvname].map(values => values[1]));\n    mintemp = Math.min(maxtemp, pvmin);\n}\n\nlet step=(maxtemp-mintemp)/5;\n\nvar yticks=[];\n\nfor (i=mintemp; i<=maxtemp+step; i+=step) {\n    yticks.push([i,i.toFixed(1).toString()]);\n}\n\nyticks[yticks.length-1] = [yticks[yticks.length-1][0],\"T [K]\"];\n\nreturn yticks;",
 						"x_timestamp": true,
-						"zoom": ""
+						"zoom": "xy"
 					}
 				}
 			]