better visability of peak charts

utilities/errortexts.js
   - typos corrected

sensorspecials/noise.js
   - accept only values for span lower than default values

sensorspecials/noiseChart.js
   - add zIndex to options

sensorspecials/noise.js

@@ -10,7 +10,7 @@ import * as noiseChart from "./noiseChart.js";
 
 const setoptionfromtable = (opt,tabval) => {
     let ret = opt
-    if ((opt === null) || (opt === '')) {
+    if ((opt === null) || (opt === '') || (opt < tabval)){
          ret = tabval
     }
     return ret

sensorspecials/noiseChart.js

@@ -238,7 +238,8 @@ export const havgData = (params, values) => {
             data: series2,
             color: utils.colors.peaks,
             type: 'column',
-            yAxis: 1
+            yAxis: 1,
+            zIndex: 2
         }
         ]
     // options.plotOptions.column = {
@@ -337,6 +338,7 @@ export const havgData = (params, values) => {
             color: utils.colors.peaks,
             type: 'column',
             yAxis: 1,
+            zIndex: 2,
         }
     ]
     options.plotOptions.column = {

utilities/errortexts.js

@@ -10,7 +10,7 @@ export const NOPROPSREAD = `No properties read for sensor ${'xx'}`
 export const NOPARAMETER = 'No parameter given'
 export const RESPSTATUS = `Returned status = ${'xx'}`
 export const NODATA = 'No data found'
-export const SYNTAXURL = 'Syntax error in calling url'
+export const SYNTAXURL = 'Syntax error in calling url!'
 export const WRONGTYPE = `Sensor ${'xx'} is not of type ${'yy'}`
 export const NOLASTDATES = `Problems fetching last dates from database`
 export const NOPROPSFOUND = `Properties collection not found`