// JavaScript Document

  function CheckID() {

    var stgID = document.Form1.TxtBox1.value;

      if (stgID.length != 14) {
         var stgID = "Wrong Size!";
      }

    var stgPreFix = stgID.substring(0,5);

    var bMatch = false;

    switch(stgPreFix) { 
      case "22491" : var bMatch = true;
                      
                     break;  
      default      : alert("Invalid Entry");
    } 

    document.Form1.TxtBox1.value = "";
    document.Form1.TxtBox1.focus(); 

    if (bMatch) {
      var newWindow = open ("http://sanborn.umi.com/cgi-bin/auth.cgi?command=Login&username=AYCDVRQLS1&password=WELCOME&JSEnabled=1"); 
      newWindow.focus ();
      window.close(); 
    }


  }