var arrLocations = new Array(); //the Nodes Array holds node objects 
var arrSites = new Array(); //the Sites Array holds site objects 
var arrSensorTypes = new Array(); //the SensorTypes Array holds sensorType objects
var arrPlots = new Array(); //The Plots list in the Plot
var arrGraphs = new Array(); //The Graphs list 
var arrTags = new Array();
var arrGroups = new Array();

var arrSltedLocations = new Array();    // Selections of users for the new objects
var arrSltedSites = new Array();
var arrSltedSensorTypes_str = "";