Java Submit Hakkında yardım

Ben bu forumu tamamlamaya çalışıyorum fakat submite bastığımda girdigim bilgiler dogrulandı ise ekrana gelmesi gerekiyor showme ile fakat dogruda girsem yanlışta girsem hiçbirşey gelmiyor acaba neden?

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" 
            "http://www.w3.org/TR/HTML4.01/strict.dtd"> 
   
  <html> 
   
  <head> 
   
  <title>Password Validation</title> 
      <script language="JavaScript" 
              type="text/javascript"> 
      <!-- 
   
        function ProcessForm() 
        { 
          showMe(); 
        }//end ProcessForm() 
  	  	function showMe() { 
  	var name; 
  	name=window.document.frmMain.txtName.value; 
  	var surname; 
  	surname=window.document.frmMain.txtSurname.value: 
  	var username; 
  	username=window.document.frmMain.txtUsername.value; 
  	var password; 
  	password=window.document.frmMain.txtPassword.value; 
  	var city; 
  		index =window.document.frmMain.selectCity.selectedIndex;	 
  	cityName=window.document.frmMain.selectCity[index].text;	 
  	alert("Your name :" + name + "\nSurname :" + surname + "\nUsername :" + username + "\nCity Name :" + cityName + "\nPassword :" + password);	 
  		document.frmMain.selectCity.selectedIndex=0; 
  } 
         
        function ValidateForm(FormToCheck) 
        { 
          var fObjPassword = new Object(); 
          var fObjConfirm = new Object(); 
           
          fObjPassword = window.document.getElementById("txtPassword"); 
          fObjConfirm = window.document.getElementById("txtConfirm"); 
           
          if(ValidatePassword(fObjPassword,fObjConfirm) == true) 
          { 
            return true; 
          }else{ 
            return false; 
          }//end if 
   
        }//end ValidateForm() 
         
        function ValidatePassword(Password,PasswordConfirm) 
        { 
          var bolIsError = new Boolean(false); 
          var strErrorMsg = new String(""); 
          var objError = new Object(); 
           
          if((CheckForEmpty(Password.value) == true)) 
          { 
            bolIsError = true; 
            strErrorMsg = "ERROR: Password is blank. You must type a valid password."; 
            objError = Password; 
          }else if((CheckForEmpty(PasswordConfirm.value))){ 
            bolIsError = true; 
            strErrorMsg = "ERROR: Confirm field is blank. You must confirm your password."; 
            objError = PasswordConfirm; 
          }else if((Password.value)!=(PasswordConfirm.value)){ 
            bolIsError = true; 
            strErrorMsg = "ERROR: Password and confirm field do not match. They must match."; 
            objError = Password; 
          }else if(InvalidLength(Password.value,7,11)){ 
            bolIsError = true; 
            strErrorMsg = "ERROR: Password must be between 7 and 11 characters long."; 
            objError = Password; 
          }else if(InvalidChars(Password.value)){ 
            bolIsError = true; 
            strErrorMsg  = "ERROR: Your password contains illegal characters. Please use "; 
            strErrorMsg += "ONLY UPPERCASE LETTERS, lowercase letters or digits (0-9)."; 
            objError = Password; 
          }else if(MeetMinReqs(Password.value)){ 
            bolIsError = true; 
            strErrorMsg  = "ERROR: Your password MUST contain AT LEAST ONE UPPERCASE LETTER, "; 
            strErrorMsg += "AT LEAST ONE lowercase letter and AT LEAST ONE digit."; 
            objError = Password; 
          }//end if 
           
          if(bolIsError == true) 
          { 
            window.alert(strErrorMsg); 
            objError.select(); 
            return false; 
          }else{ 
            return true; 
          }//end if 
        }//end ValidatePassword 
         
        function CheckForEmpty(FieldToCheck) 
        { 
          var onlySpacesRE = /^\s+$/; 
           
          if((FieldToCheck.match(onlySpacesRE)) || 
             (FieldToCheck == null) || 
             (FieldToCheck == "")) 
          { 
            return true; 
          }else{ 
            return false; 
          }//end if 
           
        }//end CheckForEmpty 
         
        function InvalidLength(FieldToCheck,MinLength,MaxLength) 
        { 
          if(typeof(FieldToCheck) != "string") 
          { 
            FieldToCheck = FieldToCheck.toString(); 
          }//end if 
           
          if((FieldToCheck.length < 7) || 
             (FieldToCheck.length > 11)) 
          { 
            return true; 
          }else{ 
            return false; 
          }//end if 
        }//end InvalidLength 
         
        function InvalidChars(FieldToCheck) 
        { 
          var invalidCharsRE = /[^a-zA-Z0-9]/; 
           
          if(FieldToCheck.match(invalidCharsRE)) 
          { 
            return true; 
          }else{ 
            return false; 
          }//end if 
        }//end InvalidChars 
         
        function MeetMinReqs(FieldToCheck) 
        { 
          var lowercaseRE = /[a-z]+/g; 
          var uppercaseRE = /[A-Z]+/g; 
          var digitsRE = /[0-9]+/g; 
           
          if((FieldToCheck.search(lowercaseRE) == -1) || 
             (FieldToCheck.search(uppercaseRE) == -1) || 
             (FieldToCheck.search(digitsRE) == -1)) 
          { 
            return true; 
          }else{ 
            return false; 
          }//end if 
        }//end MeetMinReqs 
      // --> 
      </script> 
  </head> 
   
   
  <body> 
  <form name = "frmMain" 
            id = "frmMain" 
            action = "JavaScript:ProcessForm();" 
            method = "post" 
            onSubmit = "JavaScript:return ValidateForm(this);"> 
    <p>Name     
              <input name="txtName" type="text" id="txtName" value="" size="30" maxlength="50" /> 
  <br> 
              <br /> 
  		Surname   
            <input name="txtSurname" type="text" id="txtSurname" value="" size="30" maxlength="50" /> 
            <br> 
            <br> 
            <label>City 
            <select name="selectCity" id="selectCity"> 
              <option value="34">Istanbul</option> 
              <option value="06">Ankara</option> 
              <option value="35">Izmir</option> 
              <option value="16">Bursa</option> 
              <option value="01">Adana</option> 
              <option value="33">Mersin</option> 
              <option value="10">Balıkesir</option> 
            </select> 
            </label> 
            <br> 
      <br /> 
  		Username:  
  		   
            <label> 
            <input name="txtUsername" type="text" id="txtUsername" value="" size="30" maxlength="50" /> 
  	      </label> 
    </p> 
    <p> 
      <label></label> 
    Password: 
      <input type="password" 
                 name="txtPassword" 
                 id="txtPassword" 
                 size="15" /> 
  </p> 
    <p>Confirm your password: 
            <input type="password" 
                 name="txtConfirm" 
                 id="txtConfirm" 
                 size="15" /> 
  <br /> 
            <br /> 
    </p> 
          <p> 
  		<label></label> 
  		<br /> 
  		<br /> 
            <br /> 
            <input type = "submit" id = "btnSubmit" name = "btnSubmit" value = "Submit" /> 
       
            <input type = "reset" 
                 id = "btnReset" 
                 name = "btnReset" 
                 value = "Reset"> 
                  </p> 
  </form> 
      </center> 
   
  </body> 
   
  </html>

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