if( typeof gCPTVMAP == 'undefined' ){
  var gCPTVMAP = 'defined';
  var gCPTVMapInstanceCounter = 0;
  var gCPTVMapInstances = new Array;
  var CPTVMap = Class.create();
  CPTVMap.prototype = Object.extend(new APTVMap(), {
    initialize: function( aMapDivName, aMapParams ) {
      gCPTVMapInstances[gCPTVMapInstanceCounter]=this;
      this.instance=gCPTVMapInstanceCounter++;
      this.classtype="CPTVMap";
      this.mapDivName = aMapDivName;
      this.mapDiv = $(aMapDivName);
      this.mapParams = aMapParams;
      this.content=new Hash();
      this.contcount = 0;
      this.activeTimeout=null;
    }
  });
}