/**********************
*  Form Validations   *
**********************/
//Check if the field is empty 
  function isEmptyField(str)
  {
     return ((str == null) || (str == "") || (str.length == 0));
  }
  
//Check if the e-mail is valid using a regular expression
  function isValidEmail(str)
  {  
    var email=/^.+@.+\..{2,3}$/;
    return (email.test(str));
  }

  function doValidate()
  {
    
	//Club required
      if (isEmptyField(document.thisForm.Club.value)) 
      {
         alert("Please enter the Club's Name");
		 document.thisForm.Club.select();
         document.thisForm.Club.focus();
         return false;
      }
    
	 //Name: required
      if (isEmptyField(document.thisForm.Name.value)) 
      {
         alert("Please enter your name");
		 document.thisForm.Name.select();
         document.thisForm.Name.focus();
         return false;
      }
	  
     //Phone: required
      if (isEmptyField(document.thisForm.Phone.value)) 
      {
         alert("Please enter your phone number");
		 document.thisForm.Phone.select();
         document.thisForm.Phone.focus();
         return false;
      }
	  
  ///User e-Mail address: required 
     if (isEmptyField(document.thisForm.Email.value)) 
     {
       alert("Please enter your e-mail address");
       document.thisForm.Email.select();
       document.thisForm.Email.focus();
       return false;
     }
    else if (isValidEmail(document.thisForm.Email.value) == false)
    {
       alert("Please enter a valid email format");
       document.thisForm.Email.select();
       document.thisForm.Email.focus();
       return false;
    }
   
      return true;
 }