• The init() function assigns a short name to the Web service URL
• A function to call the Web service with the appropriate parameters
• A function to display the results

The init() function can be shared among Web services. You invoke it upon loading of the page, onload=init(). We call the webservice behavior's useService() method to assign short identifiers to the Web service's rather-long URL. We call the add Web service by "simpleCalcWebService" and the IsPrime Web service by "isPrimeNumberWebService":

  function init() {
    myWebService.useService("
      http://localhost/Webreference/checkIsPrime.asmx?WSDL",
      "isPrimeNumberWebService");
    myWebService.useService("http://localhost/Webreference/simpleCalc.asmx?WSDL",  
      "simpleCalcWebService");
  }

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